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nyulnoi 2020-08-26 09:08:49
You can adjust voltage on the fly. So it will instantly change, if the output is ON. The device has 3 PCB. There is a B10100G Schottky rectifier (10 Amp, 100 Volt), B75NF75 N-channel 75 V Power MOSFET, STM32F100C8 ARM-based 32bit MCU and some small smd IC. The thermal compound is missing between the large diode + mosFet and the heat sink, I suggest to apply.
Comments (2)
  • Alexandre Good review, good advice (the thermal compound) 👍

    Reply 2020-09-09 14:54:21
  • mickstrum Thanks nyulnoi for the good review and photos. Great advice about the thermal compound. My device kept tripping out with an "OEP" error indicating a problem with the MOSFET. I dismantled it and found no thermal compound. in fact the heatsink was not even touching the MOSFET so it must have tripped an internal thermal cutout. Anyway, I applied the compound to both chips and everything is fine. 👍

    Reply 2020-10-09 13:22:54
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