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TPS65983B PD issue

Gary Teng
Genius 5830 points
Other Parts Discussed in Thread: TPS65983B

Hi all,

 My customer use TPS65983B now and have some test in PD functions. Here're the question list we seen on customer board. Do you have any idea about those?

1. PDO 5V: Their board is designed as 5V 3A through PP_HV, but

  1. Current: Using 983 code base (like FW 3.33) can get 3A current on load, but using 983B code base(or 982) we can ask only 1.2A in FW1.11.x
  2. Path: customer hope their 5V3A can provided through PPHV (other 983 project is designed as that too). But we see 983B device always ask 5V through PP5V channel no matter we set 5V channel is PP5V or PPHV on FW.

2. PDO 20V OC issue: In 20V 5A 100% peak current setting application, customer board can be asked more than 6.3A in PP_EXT. But OCP function in 20V 3A or other PDO (like 9V/12V/15V, test in FW 1.11.6) is work correctly. 

 Thanks for your kindly help.

Gary Teng