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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.  

Summary of Contents for DNA 75C

Page 1: ... 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 moni...

Page 2: ...ture Limit 200 F 450 F 600 F Input Voltage unloaded 3 0 Volts 3 7 Volts 4 2 Volts Input Current 12 0 Amps 30 0 Amps Screen On Current 50mA Quiescent Current 30mA Power Down Current 1uA Efficiency 85 Specifications Footprint 71 x 2 60 18mm x 66mm Thickness 32 Screen 9 80 x 160 pixel Full Color TFT Weight 15 2g Absolute Limits Minimum Max Output Current instantaneous peak 40 0 Amps Atomizer Resistan...

Page 3: ...y 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 7 Assembly 8 Installing the Screen 8 Mounting 9 Mechanical Dimensions 10 ...

Page 4: ...Output Power The following graphs show the output power range of the DNA 75C as a function of the coil resistance ...

Page 5: ...o fire the device User should remove and replace the battery Shorted The atomizer or wiring are short circuited Ohms Too Low The resistance of the atomizer coil is too low for the current wattage setting If this happens the DNA 75C will continue to fire but will not be able to provide the desired wattage The Ohms Too Low message will continue to display for a few seconds after the end of puff Ohms...

Page 6: ...ut bottom side shown Pin Number Pin Name Function Out Out Power output 1 Fire Negative side of the fire button 2 Fire Positive side of the fire button 3 Up Positive side of the up button 4 Select Positive side of the select button 5 Down Positive side of the down button 6 Logic Logic ground Negative side of the up select and down buttons Gnd Gnd Power output Gnd is the ground return for the atomiz...

Page 7: ... the event that a battery is inserted backwards External component recommendations The DNA 75C is a self contained power regulator which does not require external buttons for its user interface However it does support the use of external buttons if desired Fire button Use a momentary on normally open type switch or button A standard pushbutton switch is appropriate The switch is a logic function a...

Page 8: ... button Positioning the cable near the fire button can allow the mods fire button to contact the cable when pressed which will cause eventual screen failure Only insert or remove the screen before the board is powered on Step 1 Locate the ZIF connector on the DNA 75C PCB Step 2 Carefully and gently lift the locking tab on the rear of the connector to vertical Step 3 Fully insert the flexible cable...

Page 9: ... connector However if using this method ensure that the PCB remains in good contact with the board at all times Split lock washers and a RoHS chromate conversion coating on the chassis are recommended It is recommended that DNA boards be secured using the provided holes to mechanically mount them to the device Use of glues are not suggested including hot glue epoxy superglue hobby cement etc The o...

Page 10: ...Mechanical Dimensions ...

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Page 12: ...3D models of the DNA 75C available on our website in IGES STEP and Solidworks formats ...

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