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TPS40303: TPS40303+UCC27200, How to achieve OCP and SCP function?

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Replies: 1

Views: 365

Part Number: TPS40303

Hi,

    I used TPS40303+ UCC27200, now I have some question.

    Because TPS43030 pin 9 through UCC27200 to MOS.

    How to achieve OCP and SCP function?

    I think PIN9 can't detection current change on MOS, so TPS40303 PIN9  could be no function.

   thanks.

  • Dear WU YISYUAN,

    Let's not talk about the OCP function of TPS40303.

    You'd better not use  TPS40303UCC27200. If you really want to use them that way, please connect the SW pin of TPS40303 to GND.

    I think one device can meet your requirement, You can select the device through WEBENCH tool of TI.

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