TPS40425: how to change the OC threshold about 2-Phase application?

user5767133

Part Number: TPS40425

we use TPS40425 2-Phase application for large current supporting, and the current is over than 30A. we want to change the default warnning threshold from 27A to 40A,and default fault threshold from 30A to 45A. how can i change these OC threshold?

please describe the detail steps.

thanks!

2 年多前

0 Johnsin Tao 2 年多前

TI__Guru**** 308311 points

修改 IOUT_OC_FAULT_LIMIT (46H).

0 user5767133 2 年多前回复 Johnsin Tao

Prodigy 30 points

Hi，

It seems the change of registers(0x46H and 4AH) is ineffective. We wirte the new values to these registers, then send cmd STORE_USER_ALL, and read registers at last. The values doesn't change.

0 Johnsin Tao 2 年多前回复 user5767133

TI__Guru**** 308311 points

确认一下写入的时序要求，因为有可能没有写入。

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TPS40425: how to change the OC threshold about 2-Phase application?