TPS51285B: SCH review

Hailiang Zhang

Part Number: TPS51285B

Hi Team，

Could you pls help check if below SCH is ok for 3V/5V outputs? It is for BYD notebook projects. Thanks.

Regards,

Hailiang

0 Miranda Gu over 2 years ago

Hi Hailiang,

I will review it and reply you by tomorrow.

0 Athos Zhao over 2 years ago

Hi Hailiang,

Can you tell me the range of the input voltage?

+1 Athos Zhao over 2 years ago

Hi Hailiang,

The schematic is OK overall.

Just pay attention to the fuse, 5A may not be sufficient.

0 Hailiang Zhang over 2 years ago in reply to Athos Zhao

Hi Athos，

Could you pls help review the pcb layout? Thanks.

Regards,

Hailiang

0 Miranda Gu over 2 years ago in reply to Hailiang Zhang

Hi Hailiang,

I want to double check their OCL setting, whether meet their target. Could you provide the VIN and Rdson values? Thanks!

0 Hailiang Zhang over 2 years ago in reply to Miranda Gu

Hi Miranda,

The Vin is 12-20V, and the Vds,on is shown below:

Thanks and best regards,

Hailiang

0 Miranda Gu over 2 years ago in reply to Hailiang Zhang

Hi Hailiang,

I checked the OC limit and layout, didn't find problems.

Let us know if you need more support.

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