EVOLV DNA 200 Preliminary Data Sheet

Evolv DNA 200
Specifications
Minimum
Typical
Max
Output Power
1 Watt
200 Watts
Output Voltage
1 Volt
9.0 Volts
Output Current, continuous
50.0 Amps
Output Current, instantaneous peak
55.0 Amps
Atomizer Resistance, temperature sensing wire, cold
.08 Ohm
.4 Ohm
1.0 Ohm
Atomizer Resistance, kanthal wire
.08 Ohm
.7 Ohm
2.0 Ohms
Temperature Limit
200°F
450°F
600°F
Input Voltage
9.0 Volts
11.1 Volts
12.6 Volts
Input Current
.5 Amps
9.0 Amps
23.0 Amps
Screen On Current
18mA
Quiescent Current
4.5 mA
Power Down Current
5uA
Efficiency
97%
200 Watt Variable Power Module with Temperature Protection and USB
Preliminary Datasheet
The DNA 200 is a power regulated digital switch-mode DC-DC converter for personal vaporizers. It features Evolv’s patented Wattage Control, Temperature Protection, Preheat, Digital User Controls, OLED Screen, Onboard Buttons and Synchronous Rectification for maximum battery life and minimal heat generation. The DNA 200 runs from a 3 cell lithium polymer battery, and features cell-by-cell battery monitoring and integrated balance charger. The USB port and Evolv’s EScribe software can be used to customize or monitor the user experience. It is the most advanced personal vaporizer controller ever made.
Weight
15g Footprint
.71” x 2.80”
18mm x 71mm
Thickness
.32
Screen size
.91” OLED
Contents
Specifications ................................................................................................................................................ 1
Temperature Protection ............................................................................................................................... 3
Preheat ...................................................................................................................................................... 3
Attaching a New Atomizer ........................................................................................................................ 4
Operation ...................................................................................................................................................... 5
Display ....................................................................................................................................................... 5
Temperature Protected ......................................................................... Error! Bookmark not defined.
Non-temperature Protected .................................................................. Error! Bookmark not defined.
Modes ....................................................................................................................................................... 6
Error Messages ......................................................................................................................................... 7
Auto power down ..................................................................................................................................... 7
Pinout .......................................................................................................................................................... 12
Wiring .......................................................................................................................................................... 13
Recommended wire sizes ....................................................................................................................... 13
External component recommendations ................................................................................................. 13
Mounting..................................................................................................................................................... 14
Mechanical Dimensions .............................................................................................................................. 15
Temperature Protection
The DNA 200 directly measures and limits the temperature of the heating coil during operation. By preventing the coil from becoming too hot regardless of fluid, wicking or airflow, a variety of undesirable situations can be prevented. For example, appropriate temperature settings will prevent the wicking material from charring, which compromises taste and introduces unintended chemicals into the vapor. Appropriate temperature settings will also reduce the breakdown of flavoring and base liquid components, which could impact taste or safety.
Evolv’s Temperature Protection Technology requires a heating coil made from Nickel 200 alloy, rather than Nickel Chromium or Kanthal alloys. Nickel 200 is commercially pure nickel. It is often sold in vapor shops and online as “non-resistance wire.” If the temperature reaches the maximum value, the wattage applied to the atomizer coil is reduced to prevent overheating. Please note that the temperature reading is the average temperature of the atomizer coil, and care should be taken to construct the heating coil so that the temperature is uniform, without hot or cold spots.
Because wattage, not temperature controls vapor volume, large vapor volumes can be produced without unnecessarily high temperatures. Temperature Protection is most helpful if the atomizer begins to dry out, the user pauses during a puff, the beginning or end of the puff, or if the wattage setting is inappropriate for the attached atomizer.
In normal operation, when the device is not firing the maximum temperature setting is displayed on the screen. When the device is firing, the actual average temperature of the coil is displayed on the screen.
By default, the Temperature Protection setting is 450° Fahrenheit. To change the limit
1) Lock the device by pressing the Fire button five times.
2) Hold down the UP and DOWN adjust buttons for two seconds.
3) After two seconds, the maximum temperature will be displayed, and the UP and DOWN buttons
should be released.
4) Use the UP and DOWN buttons to adjust the maximum temperature
5) When the display shows the desired maximum temperature, press the Fire button to exit
temperature adjust mode.
The maximum temperature is adjustable between 200° Fahrenheit and 600° Fahrenheit. To disable the temperature protection entirely, adjust the limit up to 600 degrees, then press the UP button one additional time. The temperature limit will read OFF.
To switch to Celsius temperature, adjust temperature down to 200° Fahrenheit, then press the DOWN one button one additional time. The temperature will switch to reading and adjusting in Celsius.
Preheat
When the DNA 200 is used with a temperature sensing atomizer, an additional feature called Preheat is activated. No vapor is produced when the temperature is below the boiling point of the liquid. Preheat applies extra power until the heating coil is up to operating temperature to shorten the
delay between pressing the fire button and generating vapor. Because preheat is temperature based, it will not overheat or burn the vapor.
Attaching a New Atomizer
The DNA 200 uses the resistance of the atomizer to calculate the temperature of the heating coil. It continually looks to see whether a new or changed atomizer has been connected. If you are using temperature protection, be careful to only attach new atomizers that have cooled to room temperature to the device. If a new atomizer is attached to the DNA 200 before it has cooled down, the temperature may read and protect incorrectly until the new atomizer cools.
When you connect a new atomizer or disconnect and reconnect your existing atomizer, the DNA 200 will prompt you to confirm this change. When you fire the first time, before activating the DNA 200
will prompt “New Coil? UP YES/DOWN NO”. When you see this prompt, if you have attached a new
atomizer, press the UP button. If you have disconnected and reconnected the same atomizer, press the DOWN button.
Operation
Basic operation of the DNA 200 is as follows. To wake the device from power off state, tap the Fire button. To generate vapor, press the Fire button. To change the wattage setting for more or less vapor, click or hold the Up and Down buttons.
Display
The DNA 200 has a small .91” diagonal white OLED screen. The screen is attached to the main board by a flexible cable, allowing freedom in the design of your device. The screen’s default position is on top of the board, between the fire and adjust buttons. This allows for easy assembly. The screen connects to the board with a ZIF connector, so alternate placement is possible. It is also possible to order screens with custom length and shape flexible cables, allowing screen placement anywhere in the device. Please use caution when handling the screen and design the device so that the cable will be secured or strain relieved in operation.
Watt setting: The power level currently set on the DNA 200.
Battery indicator: The current state of charge of the battery.
Temperature display: When not firing, the maximum heating coil temperature setting. While firing, the
actual temperature of the heating coil is displayed.
Volts display: The output voltage being supplied to the atomizer.
Ohms display: The resistance of the atomizer attached to the device. This is measured only when the
unit is supplying power to the atomizer. At other times, it shows the most recent measurement.
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