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TPS4800-Q1: SRC configuration question

Ryker She
Expert 4440 points
Part Number: TPS4800-Q1
Other Parts Discussed in Thread: TPS4810-Q1

Tool/software:

Hi expert,

My customer (CosMX) is evaluating TPS4800-Q1 and they want to know if the SRC can be connected to external FET Source when R&D uses low side current sensing like below TPS4810-Q1 circuit shows?

Customer noticed that the Figure 7-7 in datasheet shows the SRC is connected to FET Drain with low side sensing configuration:

Best Regards,

Ryker

  • 0
    TI__Expert 8920 points

    Hi Ryker, 

    This looks to be a bad image. The SRC should always be connected to the FET SRC. Looks like the image was intended to have only one FET not b2b.  I will submit a ticket to make sure its reported and updated. 

    Thanks, 

    Sarah