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BQ34z100 how to change parameters via uP after IT Enable (QEN is set)

Damian Wilczyński
Intellectual 285 points
Other Parts Discussed in Thread: BQ34Z100

Dear all,

I want to change parameters in ~200 pieces of BQ34z100, but QEN is set in each of them.

Is there another, easier way of changing parameters like "Design Capacity" than:

1. enter ROM mode via EVSoftware an then send *.senc file with update status = 0?

2. program *.gg file with correct parameters

I would like to use microcontroller instead EVSoftware. Becouse I can easily change software in it.

But to connect EVSoftware I need to solder wires to test pads on each board and some of them are coated with resin.

I can program gg file via uC so half of the solution is done. But I don't know how to program *.senc file to that IC

Is anyone know how to program *.senc file to BQ34z100 or know easier solution?

Best regards,

Damian.