Table of Contents
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Evolv DNA 75 Color
75 Watt Variable Power Module with Temperature Protection and USB
The DNA 75C is a power regulated digital switch-mode DC-DC converter for personal vaporizers.
It features Evolv's patented Wattage Control, Temperature Protection, Preheat, a full color TFT screen,
Reverse Polarity Protection, an onboard programmable multicolor LED, waterproof onboard buttons
and a real-time clock. Evolv's EScribe software and Theme Designer software can be used to fully
customize all aspects of the interface and monitor the user experience. The DNA 75C runs from a single
lithium polymer or lithium ion battery, and features battery monitoring and an integrated 1A charger.
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Table of Contents
Summary of Contents for EVOLV DNA 75C
- Page 1 Evolv’s EScribe software and Theme Designer software can be used to fully customize all aspects of the interface and monitor the user experience. The DNA 75C runs from a single lithium polymer or lithium ion battery, and features battery monitoring and an integrated 1A charger.
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Page 2: Operating Range
Operating Range Minimum Typical Output Power 1 Watt 75 Watts Output Voltage .2 Volts 9.0 Volts Output Current, continuous .5 Amps 30.0 Amps Atomizer Resistance, temperature sensing wire, cold See Graph .15 Ohm See Graph Atomizer Resistance, Kanthal wire See Graph .25 Ohm See Graph °... -
Page 3: Table Of Contents
Contents Operating Range ............................2 Output Power ..............................4 Display ............................... 5 Error Messages ............................5 Charger ................................6 Battery monitoring ............................ 6 Pinout (bottom side shown) ......................... 6 Wiring ................................7 Recommended wire sizes ......................... 7 Reverse Polarity Protection ........................7 External component recommendations .................... -
Page 4: Output Power
Output Power The following graphs show the output power range of the DNA 75C as a function of the coil resistance. -
Page 5: Display
Display The DNA 75C has a full color 80 x 160 pixel TFT 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. -
Page 6: Charger
Charger The DNA 75C has a built in 1A USB charger. It automatically detects the type of USB power supply it is connected to, so it can be plugged into standard PC USB ports or higher power chargers. Battery monitoring The DNA 75C contains a full battery management system that continuously monitors the state and health of the battery both under load and while idle. -
Page 7: Wiring
Wiring The atomizer is connected to the Out pad. If the DNA 75C is not being grounded through the mounting screws, the Gnd pad should connect to the negative side of the connector. The battery is connected to the B+ and B- terminals. It is important to use appropriately sized wire when using the DNA. Too small wire will not perform well, and significantly undersized wire can burn out. -
Page 8: Assembly
Installing the Screen The TFT screen connects to the DNA 75C using an 8 pin ZIF socket and a flexible cable to allow for design flexibility. The cable can be bent or folded (once) but care should be taken to not apply tension or strain to the area where the cable attaches to the screen itself. -
Page 9: Mounting
Each of these functions also has optional through-hole pads for using remote buttons. The DNA 75C has three mounting holes on the PCB. These holes are designed for #0 screws. There is an extended mounting pad of .125” diameter around each. These holes are electrically connected to each other and to ground. -
Page 10: Mechanical Dimensions
Mechanical Dimensions... - Page 12 3D models of the DNA 75C available on our website in IGES, STEP, and Solidworks formats.
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