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doc: inverter: harvest more details

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Martin Kennedy 2024-07-26 17:27:26 -04:00
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Electricals/Inverter/README.md
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![](clarity_inverter_pcu_power_module.jpg)
## Pinout
## Summary
The Clarity PCU is simple. The control board is an Infineon (Cypress) ARM MCU, controlled components (so far identified) are
- QTY16 ROHM BM60051 gate drivers
- a pre-charge relay
- some temperature sensors
- a battery bus current sensor
## Connections
### Control Unit <=> Power Module
Control -> Power board is QTY1 32-pin cable (probably QTY2 wires per driver), QTY1 12-pin cable.
### Control Unit <=> Outside world
There's a 30-pin connector wired to the other side of the control board.
## Cooling
Almost all the internal space is dry, except for a cooling pipe squashed in the center. I know coolant is one-way, I just don't know which has to be cooler (the copper core or the gates?).
For prototyping, all of the components can be briefly run without coolant.