TPS65983B: OCP behavior and flow chart

Ray Chang

Intellectual 1345 points

Part Number: TPS65983B

Hi, Team

If we configure the OCP time out to 640us,

Could you let me know what the OCP flow chart if the OCP be detected?

When the current limit circuit be activated if the OCP be detected?

over 7 years ago

0 Hao Wang14 over 7 years ago

TI__Expert 4415 points

Hi Ray,

That’s a good question. I have a few questions for you, which will better help me solve this issue.
1. Which power path will you use, internal power path or external power path?
2. What are the voltage and the maximum current settings in GUI for TPS65983B?

Best Regards,
Hao

0 Ray Chang over 7 years ago in reply to Hao Wang14

TI__Intellectual 1345 points

1. External power path
2. 20V/3A

0 Ray Chang over 7 years ago in reply to Ray Chang

TI__Intellectual 1345 points

Hi, Team

Could you please help to check it asap? Thanks.

0 Hao Wang14 over 7 years ago in reply to Ray Chang

TI__Expert 4415 points

Hi Ray,

I’m sorry for the delay. There was a US holiday (Easter) and was off the last 4 days.

The OCP is activated immediately, per the datasheet; the delay comes from the delay of OCP circuit in TPS65983B, which could be within nanoseconds. Unfortunately, there’s no such data (or spec) in TPS65983B datasheet.

I hope this helps and If this answers your question, PLEASE select This resolved my issue

Hao

Interface

Interface forum

TPS65983B: OCP behavior and flow chart