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Power Path Selector with STMPS2141STR

testbenchmark
Associate III

Hello everyone, 

 

I am designing a PCB and I want a power path selector which can change the source between USB and Battery.

Can I do this with STMPS2141STR ? 

I cannot find a circuit or an application note.

 

testbenchmark_0-1717484187060.png

This is my design is that correct ? Can somebody explain to me please

1 ACCEPTED SOLUTION

Accepted Solutions
Melc_dB
ST Employee

Hello @testbenchmark,

If I understand, you want to supply with de battery trough a 5V regulator, and switch to USB only if there is no battery? 

If I am right your schematic should work.

Best Regards,

Melchior

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

View solution in original post

2 REPLIES 2
testbenchmark
Associate III

Any answer ? 

 

Guys maybe you can help me out ? 

@STTwo-32 

@Tesla DeLorean 

@SofLit 

Melc_dB
ST Employee

Hello @testbenchmark,

If I understand, you want to supply with de battery trough a 5V regulator, and switch to USB only if there is no battery? 

If I am right your schematic should work.

Best Regards,

Melchior

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.