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gkasprow
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battery_emulator
HW for battery emulator (Leaf2grid)
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v1.0 issues
#2
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gkasprow
opened
2 months ago
gkasprow
commented
2 months ago
38M-49SMD-SR -> 8M-49SMD-SR
gkasprow
commented
2 months ago
[ ] fix footprint for R-78K12-2.0 and
[ ] IRM-30-15
gkasprow
commented
2 months ago
[ ] move J7, J4, J8 to the edge
gkasprow
commented
2 months ago
[ ] add lead-acid battery fuse and reverse protection diode
gkasprow
commented
2 months ago
[ ] integrate Lilygo with main PCB
gkasprow
commented
2 months ago
[ ] use pnp switch for battery charger due to MCP34063 dropout or use IRM30-24. For the moment buck gives only 13.3V
gkasprow
commented
2 months ago
[ ] add ID jumper for dual-battery operation
gkasprow
commented
2 months ago
[ ] change power in to vertical RA
gkasprow
commented
2 months ago
[ ] add delay to 5V rail, battery must get the voltage first!
gkasprow
commented
2 months ago
[ ] removal of D6 and shorting of IGN relay does not help; hover when I first connect 12V to IGN and turn on the rest it works. It looks like IGN must arrive immediately.
gkasprow
commented
2 months ago
[ ] adding 5V control of IGN relay does not help; controlling of IGN relay with 10k from 12V doesn't help neither; delaying RST of CPU helps
gkasprow
commented
2 months ago
[ ] add 33uF in parallel with RST switch to solve the issue. It looks like CPU talking too early to the BMS hangs CAN
gkasprow
commented
2 months ago
[ ] move back the RJ45 connectors at least 1cm
gkasprow
commented
1 month ago
[ ] add LCD connector (debug info)
gkasprow
commented
1 month ago
[ ] move status LEDS to the upper board area
[ ] use lower cost enclosure
gkasprow
commented
1 month ago
[ ] add jumper or other switch that disconnects 33uF cap from reset pin - the USB programmer cannot discharge the cap quickly
38M-49SMD-SR -> 8M-49SMD-SR