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TPS53659: TPS63509 on-line upgrade registers

Neo.Wang
Intellectual 950 points
Part Number: TPS53659
Other Parts Discussed in Thread: TPS53622A

Hi TI experts,

Could you please help me understand how to upgrade tps53622A/tps53659/681 by system FPGA (it's the Pmbus master in our system)?

basically we want to adjust the output voltage and tune the compensation parameters after testing, but we don't want to use dongle for re-programming.

We need detailed command sequence to update above register values and store the changes into NVM (only update one time). Could you please help on this?

Thanks.