Hello,
My customer designed the TPS548A29 for a power module as below.
1. Please review whether there is a problem with the customer's circuit.
2. When tested using a loader, it operated normally only up to 12.5A. is this normal?
Thank you.
JH
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Hello,
My customer designed the TPS548A29 for a power module as below.
1. Please review whether there is a problem with the customer's circuit.
2. When tested using a loader, it operated normally only up to 12.5A. is this normal?
Thank you.
JH
There are two schematics: one has a 9.76kohm and the other 4.53kOhm on the current limit. And the schematic is light on spec details.
I would expect U1 to limit current around ~7A and the U2 around ~13A.
What does operate normally mean? What is the failure mode you are observing. Do you have a pcb layout?
Attached are some observations.