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PIC16F73 based 50A PWM 12v-24v-48v auto solar charge controller with HEX and PCB

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kg300

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Pic16F73 50A PWM solar charge controller
12V,24V and 48V auto battery detect (connect battery first and then solar)
conman anode seven segment display (display bat-V, Chg-Amp, and overload )
short circuit and overload detection
optional relay output for external battery charger (when solar not available or not provide sufficient currant to battery external charger connect through relay, auto detect)

I design direct PCB not a Schematic so don't ask me for schematic....
img.jpg
 

Attachments

  • Display board_mask.pdf
    3.1 KB · Views: 569
  • Display board_silk.pdf
    8.3 KB · Views: 493
  • Display board_silk_mirror.pdf
    8.3 KB · Views: 474
  • Display board_Tracks.pdf
    9.2 KB · Views: 516
  • main board_mask.pdf
    9 KB · Views: 492
  • main board_silk.pdf
    22.5 KB · Views: 505
  • main board_Tracks.pdf
    23.7 KB · Views: 546
  • F73-12-24-48V.rar
    4.5 KB · Views: 1,142
Last edited:
I am building your charge controller but what is the resistance of the shunt and what is the unmarked component that is on the BAT+ pad

Thanks
 

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