Temperature control is a revolution in vaping. Battery pack (box mod) Eleaf iStick TC100W What is tc ni mode in mod

08.12.2023

Slave mode

Once the SPI is set to slave mode, the SS pin always acts as an input. In this case, SPI is activated when the SS pin is driven low, and the MISO pin becomes an output if the user so sets it. All other pins act as inputs. If the SS input is applied high, then all pins will become inputs and the SPI will go into a passive state, in which receiving incoming data is blocked. Note that the SPI logic is reset as soon as the SS pin goes high. level.

The SS pin is useful for packet/byte clocking, which helps keep the slave bit counter and master clock clock in sync. If a high log is applied to the SS pin. level, the slave SPI will reset the transmit and receive logic and lose any incompletely received data in the shift register.

Master mode

If SPI is configured as master (MSTR bit in SPCR is set), then the user can set the desired SS pin direction.

If SS is configured as output, it acts as a normal digital output line and has no effect on the SPI system. Typically it is used to control the SS pin of the SPI slave.

If SS is configured as an input, then it must have a high log. level to ensure the operation of the SPI master. If SPI is configured as a master, which has a pin. SS is configured as an input, then applying a low level to this input by the external circuitry will be interpreted as a slave mode request by another SPI master, after which data transmission will begin. In order to avoid a conflict situation, the SPI system performs the following actions:

The SPI is put into slave mode by clearing the MSTR bit in the SPCR register. As a result, SPI becomes a slave and MOSI and SCK are configured as inputs.
SPIF is set to SPSR and, if the SPI interrupt is enabled and the I bit in the SREG register is set, the interrupt routine is executed.

Thus, if you are using SPI transfer in master mode with interrupt control and it is possible to drive the SS input low, then you must always check the state of the MSTR bit when generating an interrupt. If MSTR is reset, this means that the SPI has been put into slave mode by an external device and the user must programmatically restore the SPI master mode.

SPI Control Register - SPCR

Discharge	7	6	5	4	3	2	1	0
	SPIE	SPE	DORD	MSTR	CPOL	CPHA	SPR1	SPR0	SPCR
Read/Write	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Ref. meaning	0	0	0	0	0	0	0	0

Bit 7 - SPIE: SPI Interrupt Enable
If the SPIF flag is set in the SPSR register and the general interrupt enable bit I in the SREG register is set, then setting this bit will cause the SPI interrupt routine to be executed.
Bit 6 - SPE: SPI Enable
If you write log in SPE. 1, then SPI operation is enabled. This bit must be set if it is necessary to use SPI, regardless of what mode it will operate in.
Bit 5 - DORD: Data Shift Order
If DORD=1, then when a data word is transmitted, the least significant bit is transmitted first. If DORD=0, then the most significant bit is transmitted first.
Bit 4 - MSTR: Master/Slave Select
If a log is written to this bit. 1, then SPI operates as a master (master), otherwise (MSTR=0) as a slave. If SS is configured as an input and is pulled low when MSTR was 1, then the MSTR bit is automatically cleared and the SPIF interrupt flag in the SPSR register is set. To resume SPI master mode, the user must set the MSTR bit in software.
Bit 3 - CPOL: Sync Polarity
If this bit is equal to log. 1, then SCK is high in the idle state. If CPOL=0, then SCK is low in the idle state. See Figures for examples illustrating differences in clock polarity. 77 and 78. The functioning of CPOL is summarized below:

Table 70. Result of CPOL action

Bits 1, 0 - SPR1, SPR0: SPI clock frequency selection bits 1 and 0

These bits set the clock frequency on the SCK pin in master mode. SPR1 and SPR0 have no effect in slave mode. The relationship between the frequency SCK and the clock generator frequency fosc is shown in the table below:

Table 72. Relationship between SCK and generator frequencies

SPI2X	SPR1	SPR0	SCK frequency
0	0	0	fosc/4
0	0	1	fosc/16
0	1	0	fosc/64
0	1	1	fosc/128
1	0	0	fosc/2
1	0	1	fosc/8
1	1	0	fosc/32
1	1	1	fosc/64

SPI Status Register - SPSR

Discharge	7	6	5	4	3	2	1	0
	SPIF	WCOL	-	-	-	-	-	SPI2X	SPSR
Read/Write	Thurs.	Thurs.	Thurs.	Thurs.	Thurs.	Thurs.	Thurs.	R/W
Ref. meaning	0	0	0	0	0	0	0	0

Bit 7 - SPIF: SPI Interrupt Flag
The SPIF flag is set upon completion of a serial transfer. An interrupt is generated when the SPIE bit in the SPCR register is set and general interrupts are enabled. If SS is configured as an input and is applied low, then if the SPI was in master mode, the SPIF flag will also be set. SPIF is reset by hardware when the corresponding interrupt vector is reached. Alternatively, the SPIF bit is cleared the first time the SPI Status Register is read with the SPIF flag set, and also during an access to the SPI Data Register (SPDR).
Bit 6 - WCOL: Rewrite Flag
The WCOL bit is set if a write is made to the SPI Data Register (SPDR) during data transfer. The WCOL bit (as well as the SPIF bit) is cleared the first time the SPI status register is read with WCOL set, and also when the SPI data register is accessed.
Bits 5..1 - Res: reserved bits
In ATmega128 these bits are not used and are always read as 0.
Bit 0 - SPI2X: SPI speed doubling bit
If you write a log in this bit. 1 then the SPI operating speed (SCK frequency) will double if the SPI is in master mode (see Table 72). This means that the minimum SCK period will be equal to two CPU clock periods. If SPI operates as a slave, then SPI operation is only guaranteed at fosc /4 or less.

The SPI interface in the ATmega128 is also used to read or program program memory and EEPROM. See also "Sequential programming".

SPI Data Register - SPDR

The SPI data register has read and write access and is designed to exchange data between the register file (r0...r31) and the SPI shift register. Writing to this register initiates data transfer. When reading this register, the contents of the shift register's receive buffer are actually read.

Data transfer modes

The combination of the CPHA and CPOL bits specifies four possible serial data transmission modes. Data transmission formats for SPI are presented in Table 73, and their timing diagrams are shown in Fig. 77 and 78. The data bits are offset and latched at the input by opposite edges of the clock signal SCK, thereby ensuring sufficient time for the data signals to settle. Thus, it is possible to summarize the information from table. 70 and 71 and present it in the following form:

Table 73. CPOL and CPHA functionality

	Leading Front	Rear Front	SPI mode
CPOL = 0, CPHA = 0	Rising edge sampling		0
CPOL = 0, CPHA = 1		Falling edge sampling	1
CPOL = 1, CPHA = 0	Falling edge sampling	Setting data with rising edge	2
CPOL = 1, CPHA = 1	Setting data by falling edge	Rising edge sampling	3

Figure 77. SPI data transfer format with CPHA = 0

Figure 78. SPI data transfer format with CPHA = 1

Specifications:
Dimensions: 40*50*84 mm.

Operating modes: VW/TC-Ni/TC-Ti/TC-SS/TCR

Output power: 1 -200 W.

Resistance range: 0.05-1.5 Ohm in thermal control modes 0.1-3.5 Ohm in variable watt mode

Evaporator temperature range: 100-315°C/200-600°F

Usage:
Turn on and off:

Open the battery compartment cover, then, observing the polarity, install 3 high-current 18650 batteries. The device turns on by pressing the main button five times. The device turns off in the same way, by pressing it five times. (Note: Do not use batteries with damaged insulation. Pre-set the power based on the installed evaporator.)

Vaping: Keep the main button pressed and take a puff.

Attention: Before starting use, be sure to adjust the power according to the capabilities of your atomizer and your own preferences.

Stealth mode:

This mode allows you to hover with the screen turned off. When the device is turned on, simultaneously hold down the main button and the Left button to turn off/on the display. You can continue to use the device, and by pressing the main button once, the display will show the current characteristics.

Locking adjustment buttons:

With the device turned on, hold down the “Left” and “Right” keys simultaneously. The main button is not blocked and the device can continue to be used.

Changing the display orientation: With the device turned off, press the “Right” and “Left” buttons simultaneously for a few seconds until the image on the display flips 180 degrees. The reverse coup is carried out in the same way. This feature will allow you to maintain the ease of use of the device, regardless of which hand you prefer to hold it in.

Switch between VW/TC-Ni/TC-Ti/TC-SS/TCR modes:

1. Turn on the device by pressing the main button five times. The display shows

Mode (VW, TC-Ni, TC-Ti, TC-SS, TCR) and battery charge indicator
Temperature (in TK modes) or Power (in VW modes)
Power (in TK modes) or Voltage (in VW modes)
Additional information (Amperage, Number of puffs, Time of puffs) and resistance.

2. Quickly press the main button 3 times to enter the menu. Switch modes with the Right button. Press the main button to confirm your selection.

3. VW (Variwatt) mode: In this mode, the output power is adjustable in the range of 1-200W.

4. TC-SS316 mode: Designed to work with SS316 stainless steel evaporators.

5. TCR mode (M1, M2, M3): Temperature coefficient of resistance. This mode allows the user to adjust the TCR for the material used in the evaporator.

In TCR mode, when the mode indicator is blinking, press the Left button to enter the TCR submenu (M1, M2, M3). To switch modes (M1, M2, M3) use the “Right” button. To confirm your selection, press the main button.

How to use TCR mode?
With the device turned off, simultaneously hold down the main button and the Right button for about 5 seconds to enter the TCR mode settings menu:

Select item M1, M2 or M3 using the control buttons;
Press the main button to confirm your selection;
Use the control buttons to select the desired coefficient value;
Press and hold the main button for about 10 seconds to save the settings.

Table of TCR values for various materials:
Note:
The values shown are the actual temperature coefficient of resistance values multiplied by 106
TCR range: 1-1000.

Material TCR value
Nickel 600-700
NiFe 300-400
Titan 300-400
Stainless steel SS (303, 304, 316, 317) 80-200

Additional functions of thermal control modes:
Lock/unlock evaporator resistance:

While the resistance menu is blinking, press the Right button to lock. (Note: This procedure is performed at room temperature.)

Important!
Only block the resistance when the evaporator is at room temperature. This gives the device the correct “base” resistance, based on which the electronics can correctly calculate the temperature of the coil until replacing the evaporator. The blocked resistance makes it possible to disconnect and reconnect the evaporator regardless of its temperature.

Temperature setting:

In thermal control modes, you can independently adjust the desired temperature of the evaporator coil within the range of 100-315°C or 200-600°F using the “Right” and “Left” control buttons.

Switch between Celsius and Fahrenheit scales:

When adjusting the temperature, when the upper or lower limit is reached, the device automatically switches from Celsius to Fahrenheit and vice versa.

Power adjustment:

Power adjustment: While the power menu is blinking, use the adjustment buttons to change the power. Press the main button to confirm your selection.

Message “New Coil, Same Coil”:(6)

If you are installing an evaporator with a higher resistance than the previously installed evaporator, you may need to "upgrade" the base evaporator resistance at room temperature.

After disconnecting the atomizer from the device, press the main button to “reset”, and then when you attach a new atomizer, you will see the message “New Coil, Same Coil” on the display. In case you have indeed replaced the evaporator with a new one, press the “Right” button.

You can see the same message if you installed the same evaporator, but it has a high temperature (it did not have time to cool down) and, accordingly, a higher resistance than it had at room temperature. The device's electronics need confirmation that it is still the same evaporator with the same "base" resistance - so when the message appears, press the left button, thus confirming that the evaporator has not changed.

Do not forget to correctly perform the steps described above for the correct operation of the thermal control modes.

Attention!
1. In temperature control modes, resistance up to 1.5 ohms is maintained. If an evaporator with high resistance is installed, the device will automatically switch to variable watt mode.

2. If you accidentally try to use the Kanthal vaporizer in one of the temperature control modes, the device will automatically switch to vari-watt mode after two seconds of vaping.

Error and protection messages:
Over 10 Second Protection: If the main button is pressed for more than 10 seconds in a row, protection against accidental pressing is activated and a corresponding message appears on the display.

Atomizer Short-circuit Protection: This message appears when there is a short circuit in the evaporator.

Weak Battery Alert: If the battery voltage drops below a certain limit while vaping, the device will display a corresponding message and reduce the output power.

Imbalanced Alert: This message appears on the display if the device detects that the difference in voltage between the installed batteries is more than 0.3 V. In this case, remove the batteries and charge them in an external charger for balancing.

Check Battery Alert: This message means that at least one of the batteries is not installed correctly. You need to open the battery compartment cover and install the batteries correctly.

Check USB Alert: The message appears when the voltage supplied through the connected USB cable exceeds 5.8 Volts.

Low Power Alert: If the battery voltage drops below a certain limit, the message “Battery Low” appears on the display. In case you continue to press the main button, the device will automatically lock with the message “Battery low lock” on the display and stop working. For restart operation, charge the batteries.

Atomizer Low Alert: If the evaporator resistance is less than 0.1 ohm in variable watt mode, or less than 0.05 ohm in temperature control modes, the device will display a warning accordingly.

Temperature Protection: If in thermal control mode the current temperature of the coil has reached or exceeded the user-specified value, a corresponding message appears. IMPORTANT: This message is not a message about any error or failure.

Device too hot: This message appears when the internal temperature of the device exceeds 70C. In this case, the device automatically turns off and needs some time to cool down.

"Charge Error Alert": This message indicates that charging does not occur for some reason when the USB cable is connected.

"Low Power Alert": This message indicates that the battery charge has dropped to 10%. The battery indicator will flash to indicate that the batteries need to be charged.

Charging and firmware update
We recommend using an external compatible Li-ion battery charger to charge the batteries. You can also charge batteries directly in the device by connecting it to a power source using a micro-USB cable. The same cable is used to connect to a PC to update the firmware.

Thermal control on Kanthal evic vtc mini - this term will not raise any questions among experienced users of electronic cigarettes. But it can cause a multi-minute “load” for users who have only recently entered the vaping industry.

Let's figure out in order what evic vtc mini is, and how the words kanthal and thermal control apply to this concept. We will gradually understand all these strange words.

The electronic cigarette, from the industry flagship company Jotetech.Vtc, is the older brother of a device called evic-VT, which at one time made some noise in its circles. When developing vtc, the successes and flaws of the previous version were thoroughly analyzed, and a truly interesting device hit the market. It is worth noting that vtc can hardly be called a device for a beginner.

As in the previous model, our baby has a simply gorgeous huge display. This is good news, but more on that a little later.

When developing vtc, numerous requests and comments from users were taken into account, and this led to a clear improvement of the product:

The older brother has become much more compact and lighter.
The connector is now located on the button side.
The chrome on the lids is finally gone.
Now the mod runs on a standard 18650 battery, which can be replaced very quickly. You can also not remove the battery, but charge it via the built-in charger via a USB connection.
The shuttle, which was not convenient for everyone, has been replaced with the more familiar plus and minus buttons.
Power adjustment in thermal control mode varies from 1 to 60 watts.
Working in the TC mode in general began to show its best side.
The board in this model does not buzz or tick, as was the case with its predecessor.
The new matte finish, although it has taken away some of the charm from the device, is now safe to use without a case.
A very important point is that the firmware can now be updated. Updates will expand the capabilities of the board and add new functions.

The improvements are numerous and significant, which indicates serious work carried out on the device. Now let's look at what our mod is basically equipped with. What's under the hood?

Mod equipment

The o-led display is simply huge, compared to its competitors, and has a vertical layout. All the information that you may need when using the device is very conveniently located on the screen and can be read without the need to turn the mod. Instead of the standard battery charge indicator, it is possible to install a puff counter, or a vaping time counter.

Incredibly convenient controls. Switching on, as well as switching off, is done by pressing the button five times.

Technical characteristics of the vape.

Enter the menu by pressing it three times. eVic-VTС Mini can operate in 4 modes:

Thermal control on nickel.
TK on titanium.
Mechmod.
Variwatt.

There is a lock against changes at the selected power. To do this, press “+” and “-” simultaneously and hold for 2 seconds. The device will continue to operate, but changes to power settings will not be available. Unlocking the Key Lock function occurs in a similar way.

The stealth mode is implemented very competently in this device. This mode is entered by simultaneously pressing the Fire button and the minus button. In this mode, the screen will not work while vaping. If you need to change the vaping parameters, the screen will light up while the value is being changed and go off again. If you just need to look at the information on the screen, then you need to quickly press the Fire button once and the necessary information will appear on the display for a short time.

During the puff, the information on the display changes dynamically, showing the real characteristics of the device at a given second. In the mechanical mode, the voltage and resistance values will change, and in the thermal control mode, the real temperature and power will be shown. The inconvenience of this function is that only in the mirror can you see this data, since after releasing the button the screen will return to normal and go dark after 30 seconds.

The mod contains all possible protection options:

the mod constantly monitors changes in resistance and adjusts the voltage in real time;
short circuit protection is constantly working;
winding resistance in TC mode on nickel and titanium is fixed separately for each selected mode;

The board, in principle, is very responsive and instantly responds to turning it on or off, without long loading times, which occur in most other BBs.

Operating modes

I would like to pay a little attention to the operating modes of this device and explain the main points of each of them.

The device has several main operating modes: VW (variable watt), Temp Ti, Temp SS, TCR, Bypass, Start. To switch between modes, press the main button 3 times.

Variwatt

This mode allows the user to control the device's power output from 1 to 75 watts.

In this mode, the following characteristics are displayed on the screen:

Power, power.
Volt, voltage.
Menu showing additional information

Amp – current strength;
Puff – number of puffs;
battery charge.

To select the desired parameter, press the main button three times and select the desired parameter. To reset the number of puffs or vaping time, you need to select the desired characteristic and hold down the main button for a few seconds.

Bypass mode

This mode will give the user of an electronic cigarette the opportunity to supply voltage from the battery directly to the atomizer, that is, work in mechanical mode mode, but with short circuit protection. The resistance of atomizers that supports the device in this mode is from 0.1 to 3.5 Ohms.

In bypass mode, the display will show the following characteristics:

Power, power.
Volt, voltage.
Coil, atomizer resistance.
A menu that displays additional information.

The following options will be displayed in this menu:

Amp – current strength;
Puff – number of puffs;
Time – total puff time, measured in seconds;
battery charge.

Thermal control mode

In thermal control mode, the user can control not only the output power, but also the maximum temperature of the coil, which is set in the atomizer. Controlling the overheating of the coil is very important to prevent the coil from overheating and thereby increase its service life. But this is not the only main function of thermal control.

In mods with thermal control, the best material, as practice shows, is titanium. This will provide better temperature control and ultimately reduce battery power consumption. In addition, titanium has a fairly high resistance, which will make it easier to customize the device for this metal. If we consider the physicochemical characteristics, titanium will be the safest material for a spiral, unlike nickel.

It is around this metal that the most controversy flares up on forums and in user circles. If we consider nickel as a material for the spiral in a device without a TC, then there is some risk. In case of overheating, nickel releases some toxic substances that tend to accumulate in the human body. Over time, this effect will cause negative consequences.

It is generally accepted that devices with thermal control completely relieve the user of this problem. Scientists say that the danger is not going away. The only difference is that the amount of toxins released is several times less.

The main risk group for nickel vaping is people with individual intolerance or allergic reactions to nickel evaporation products. Laryngeal edema is the easiest thing a person can expect. Or there may be consequences that are invisible, but with a much less favorable outcome.

Regarding nickel, people are divided into 2 camps. If the first sound the guard about nickel soaring, then their antagonists provide specific numbers and arguments. There are 2 cases of complications from nickel vaping per 1000 people. But statistically this is an indicator of danger. And if we consider the physical overheating of nickel, then the wire must be used for a long time at a temperature of about 600 degrees, which is impossible with modern devices.

In its standard configuration and software, our device cannot operate on Kanthal.

TCR mode

TCR mode – temperature coefficient of resistance. This mode will allow the user to adjust the TCR for the metal that is used in the evaporator. This means that if the TCR value of the metal used in the evaporator is known, then the user will be able to use the evaporator in temperature control mode.

For some materials, TCR values are important:

nickel – 600-700;
NiFe – 300-400;
titanium – 300-400;
stainless steel – 80-200.

This table does not include Kanthal, as the basic settings of the device do not allow vaping with this material. But this problem was eliminated with the release of firmware v3/0 for Joyetech eVic VTC mini.

This firmware brought the following points to users of this device:

new interface;
faster scrolling by watts;
in VT mode the spread is now from 0.05 to 1.5 Ohms;
The mod should now automatically recognize 304 and 316 stainless steel;
new TCR mode – manual temperature coefficient setting mode.

It is the last point that I would like to pay attention to, because it is this innovation that will allow us to establish the temperature coefficient of the wire, which was not previously officially supported.

You can find the firmware itself on the manufacturer’s website and related forums, and there you can also find tables of characteristics of different metals and calculators that will allow you to make correct winding calculations.

Steam, don't oversteam

Now even the most inexperienced user has a more or less clear picture of what the difficulty of vaping kanthal on the eVic VTC mini was.

With the release of the latest firmware, this problem has resolved itself, and the user will again begin to discover new horizons for vaping such a cool and modern device. We will wait for new firmware and new features for our mod.

Creates steam thanks to the heating element. And everyone knows that heating elements need to be serviced and evaporators need to be replaced.

If everything is clear with evaporators and coil windings made of Kanthal, it works in vari-watt mode, and the power is set depending on the resistance. With evaporators and coils based on nickel (Ni) and titanium (Ti), everything is somewhat different: they can no longer be used in vari-watt mode. Let's figure out what gives temperature control mode(TC).

The filling of electronic cigarette mods limits the heating of the atomizer coils to a user-defined temperature. The temperature range set on the power supplies of your electronic hookah can range from approximately 100 to 300 degrees Celsius.

All this functionality is intended for wires made of nickel (Ni), titanium (Ti), steel (SS), nichrome (NiCr) and other unusual materials.
Coils made from the materials listed above constantly increase their resistance when heated.
It is for such materials that the thermal control (TC) mode is intended.

When using any of the above materials as a coil in an evaporator, or in a serviced atomizer, the electronics of the mod in thermal control mode will constantly (up to several times per second) measure the resistance of the coil and supply different power. Thus, the TC mode on mods (power sources of electronic cigarettes) will prevent the possibility of rapid burnout of the coil.

If you use, for example, nickel (Ni) as a coil in the normal wattage mode, the resistance of a nickel (Ni) coil will go up when heated, but the wattage supplied to it will remain the same, which means the power will be too high for the coil and the coil will burst.

Coyles and replaceable evaporators made of nickel (Ni), titanium (Ti), stainless steel (SS) and nichrome (NiCr) should only be used on battery mods with a thermal control (TC) mode.

In addition to measuring resistance, thermal control limits heating to a certain temperature set in the vape device menu.

The temperature limit is set for safer vaping. At extremely high temperatures, over 350 - 320 degrees Celsius, some components of e-liquids become not entirely safe. That is why in temperature control mode(TC) heating temperature will be limited.

Electronic cigarettes without temperature control(TC) are almost unable to heat their evaporative systems over 300 degrees Celsius, but thermal control gives much more confidence.

Replacement evaporators designed for temperature control mode are more durable than conventional ones, with coils made of simple kanthal. While a conventional evaporator with a kanthal coil will overheat and quickly accumulate carbon deposits from boiled liquid and burnt-out cotton wool, thereby quickly failing, evaporators based on nickel or titanium will not overheat too much, and, accordingly, will not collect There's a lot of scale on you.

The service life of replaceable evaporators based on nickel (Ni) or titanium (Ti) is many times greater than their counterparts with kanthal coils.

Summarizing all that has been said, we can highlight several advantages:

Different materials - nickel, titanium, stainless steel, nichrome - can reveal the taste of vapor from e-liquids in different ways.
Increased safety of inhaled steam.
Longer service life of replaceable heating elements.

There are many vape devices that have a thermal control (TC) function:

Ergonomic battery mod with parallel installation of Eleaf iStick 100 W TC batteries
The famous hit from the industry's flagships, the single-battery Joyetech eVic VTC Mini
Very similar to the previous Kanger Toptank Mini
The most beautiful and stylish Smok R80 Starter Kit, which continues the idea of a “boxed” design.

There are also many clearomizers and atomizers for which evaporators are made on nickel and titanium. Advanced vapers will enjoy using thermal control (TC) by winding coils made of titanium, nickel, nichrome and steel onto the drip. Buy electronic cigarette (electronic hookah) with temperature control mode and replacement evaporators are available on our website, we have a wide selection of mods with thermal control (TC) and replaceable evaporators on nickel (Ni) and titanium (Ti).

Thank you for choosing Joyetech products! Please read this manual carefully before using the product. If you require additional information, have questions about the device or its operation, please consult with the seller or visit our official website www.joyetech.com.

About the product

eVic VTC Mini is a new version of eVic VT, with a more attractive and fashionable appearance.

A wide range of attractive colors, the use of 18650 batteries and a new magnetic battery cover design make this device even more popular. In addition to a maximum power of 75 W and a temperature control system, there is a TCR mode and support for stainless steel (SS316) coils. Upgradable firmware is also one of the advantages of the eVic VTC Mini.

Parameters and characteristics

Dimensions: 22.20 * 38.20 * 82.00 mm
Operating modes: VT-Ti (thermal control on titanium) / VT-Ni (thermal control on nickel) / VT-SS316 (thermal control on stainless steel) / TCR (thermal control with adjustable temperature coefficient of resistance) / VW (variable watt) / Bypass (mechanical mode)
Operating power: 1 - 75 W
Supported resistance for VT and TCR modes: 0.05 - 1.5 Ohm
Supported resistance for VW and Bypass modes: 0.1 - 3.5 Ohm
Adjustable temperature range: 100 - 315 °C / 200 - 600 °F

Control

1. Power on/off

Slide down the back cover of the battery compartment and insert one 18650 battery. Press the main button 5 times at minimum intervals to turn the device on or off. (Recommendations: use 18650 batteries with a high output current, more than 25 A. For example Son US18650VTC4)

2. Soaring

To start using a cigarette, you need to press the main button and inhale the steam.

3. Stealth mode

While the device is turned on, hold down the main button and the "-" button at the same time. Evic VTC Mini can continue to be used even when the display is turned off. To view the current settings, quickly press the main button.

4. Button lock function

While the device is turned on, press two control buttons simultaneously. The device will switch between locking and unlocking the control buttons. In lock mode, the “+” and “-” buttons will be inactive (to prevent accidental changes to settings).

Switching between operating modes VT-Ti / VT-Ni / VT-SS316 / TCR / VW / Bypass

1. Menu

Press the main button three times to go to the menu. The following information will be displayed on the screen in 6 lines:

(1) Power (VW), Temp Ni (VT-Ni), Temp Ti (VT-Ti), Temp SS316 (VT-SS316), TCR, Bypass.

(2) Temperature: 100 - 315 °C / 200 - 600 °F

(3) Power/Voltage: Output power in VT modes or voltage in VW mode

(4) Resistance: current resistance of the coil. In VT modes it will also display whether the resistance is blocked.

(5) User information selectable: (AMP: current ampere, PUFF: number of puffs, TIME: total vaping time)

(6) Battery Charge: Displays the current battery charge status.

2. Saving settings

After pressing the main button three times, the first line on the screen will flash, indicating that you are in the menu. Press the "+" button to switch between VT-Ti / VT-Ni / VT-SS316 / TCR / VW modes. To save the selected setting and exit the menu, press the main button or wait until the current value flashes ten times on the screen.

3. Temp SS316 (VT-SS316)

The mode is designed specifically for SS 316 stainless steel coils. The manufacturer recommends using Joyetech BF-SS316 (0.5 / 1 Ohm) evaporators for use in this mode.

4. TCR (M1, M2, M3)

TCR - temperature coefficient of resistance (TCR). This is a new vaping mode in which you can set your own TCS to use non-standard coil materials in thermal control mode.

In TCR mode, while the first line on the screen continues to flash, press the “-” button to exit to the submenu with items M1, M2 and M3. Use the “+” button to select one of the items and confirm the selection by pressing the main button.

5. How to set TCR

While the device is turned off, hold down the main button and “+” for 5 seconds to get to the TKS setup menu.

Use the control buttons to select one of the modes M1, M2 or M3.
Press main button to select mode
Use the adjusting buttons to set the desired parameter value
Long pressing the main button or doing nothing for 10 seconds will save the setting.

Below are the different ranges of TCR values for different coils:

Note:

The TCR value in the table is multiplied by 10 5 relative to the actual TCR.
TCR value range 1 - 1000.

6. Setting the temperature in thermal control modes (VT-Ni, VT-Ti, VT-SS316)

In VT modes, the temperature of the coil can be adjusted (from 100 to 315 °C or from 200 to 600 °F) using the adjustment buttons. Pressing the “+” button will increase the temperature, pressing “-” will decrease the temperature. Briefly pressing the button will increase or decrease the temperature by 5°C or 10°F. Long press will quickly decrease or increase the temperature.

Additional functions

1. Lock/unlock resistance in VT modes

Press the main button three times and enter the menu. Press the "-" button 2 times and the third line will start flashing. Press the "+" button to lock or unlock the coil resistance. When the lock sign appears, the resistance is locked.

Please note: In this mode, the device will operate at a fixed resistance even when replacing the atomizer. Before connecting another atomizer, be sure to unlock the resistance and reset the value by pressing the main button.

2. Installation of new evaporators

If the resistance of the installed atomizer exceeds the previously determined value by at least 5% (in VT mode with the resistance unlocked), the notification “new coil right, same left” will appear on the display. Confirm your choice by clicking on the appropriate button: “-” - if you are using the same atomizer, “+” - when changing the heating element.

3. Power adjustments in VT modes

In VT modes, you can set the maximum power supplied to the coil. Press the main button three times and enter the menu. Press the "-" button 1 time and the second line will start flashing. Then press the "+" button to adjust the power and the main button to save the change.

Note:

The maximum allowable resistance in VT mode is 1.5 Ohms. If the resistance exceeds the permissible value, the device will automatically switch to VW mode.
When using the Kanthal coil in VT mode, the device will automatically switch to VW mode after working for 2 seconds.

VW mode (variant watts)

In VW mode, the power can be adjusted from 1 W to 75 W using the “+” and “-” buttons. Long press of the button will quickly decrease or increase the power.

Bypass mode (mech mod)

Mechanical mod mode is a mode of direct supply of voltage from the battery to the atomizer. In this mode, with a coil resistance in the range of 0.1 - 3.5 Ohms, the device will work properly.

Switch between AMP (current current in Amps), PUFF (number of puffs) and TIME (total vaping time)

Press the main button three times to go to the menu. Press the "-" button 3 times and the fourth row will flash. Now press the right button to switch between AMP, PUFF and TIME. To reset values

hold down the main button.

Before first use, wet the vaporizer with liquid to prevent the cotton filling from burning.
If the refilled atomizer has not been used for more than a day, excess liquid may appear in the evaporator. To get rid of it, hold down the main button and blow out the liquid through the mouthpiece.
To protect the cotton from burning, please do not use the device without liquid.

Protection functions

Evaporator protection

If the button remains pressed for more than ten seconds, the power will automatically turn off and the “Over 10s Protection” notification will appear on the display.

Short circuit protection

If a short circuit occurs during vaping, the power will automatically turn off and the “Atomizer Short” notification will appear on the display.

Low battery alarm

If during operation the battery voltage drops below 2.9 V, the device will display a “Weak Battery” warning. Accordingly, the output power will be reduced.

Overdischarge protection

When the battery charge is running low, the device will display a “Battery Low” warning; further attempts to use it will put the device into sleep mode with a “Battery Low Lock” notification. To exit sleep mode, connect the charger.

Unlocking after the “Battery Low Lock” message

Once charging has started, the protection will be unlocked.

Low Resistance Protection

When the coil resistance is lower than 0.1 ohm in VW mode or lower than 0.05 ohm in VT mode, the device will display an “Atomizer Low” warning.

Temperature limit

If the actual temperature of the coil in VT mode exceeds the set one, the “Protection” notification will appear on the display.

overheat protection

If the current device temperature exceeds 70 °C, a “Device Too Hot” notification will appear on the display. In such a situation, you should check the device for fluid leaks, reduce power and allow the device to cool.

Replacing the evaporator

Unscrew the atomizer body and remove the used evaporator.
Install the new evaporator, then wet it slightly with liquid to prevent burning.
Refill the atomizer if necessary, and then assemble the entire structure.

Charger

The battery indicator will flash if the charge is less than 10%. You can charge the battery directly inside the device - to do this, connect the device to a power source using a USB cable. The manufacturer recommends using a separate charger.

Warnings

The device can only be repaired by specialized Joyetech service centers, do not try to do it yourself. This may result in damage to the device or injury.
eVic VTC Mini can be used in normal humidity conditions at temperatures from -10°C to 60°C, and can be charged from 0°C to 45°C.
Do not attempt to use parts from other electronic cigarette manufacturers in combination with the eVic VTC Mini as this may damage the device.
eVic VTC Mini has a certain characteristic sound during operation. This sound is very low volume and can usually only be heard when the device is held near the ear. eVic VTC Mini emits continuous high frequency noise. This is normal and should not cause concern about the functionality of the device. When the device enters standby mode after 3 minutes without use, or if the device is turned off (by pressing the main button 5 times), this sound will stop immediately.

Guarantee

The terms and conditions of the warranty are contained in the attached warranty card. The manufacturer declines all responsibility for damage caused by the fault of the buyer. The factory warranty does not apply to products purchased from unauthorized dealers.

Joyetech agrees to provide warranty repairs subject to the following terms and conditions:

1. This warranty provides free repair for defective Joyetech products. The warranty period is 90 days from the date of purchase by the end user.

2. The warranty may be void as a result of any of the following events:

The customer did not provide the warranty card and the original purchase receipt.
The device has failed as a result of improper use or self-repair.
Damage to the device due to excessive force or falling.
Failure due to use outside of recommended operating conditions (see user manual for precautions).
Damage caused by excessive exposure to water or other liquid (see instructions for use).
Failure caused by the use of third-party components (charger, battery, power cable).

3. This warranty does not apply to consumables and personal care items such as replacement coils, mouthpieces, etc.

4. This warranty does not apply to products purchased from unauthorized sellers. This warranty is valid only for licensed Joyetech products during the warranty period of 90 days from the date of purchase.

Joyetech reserves the final decision regarding all warranty claims. Joyetech may interpret and revise the contents of the warranty terms.

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