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CSD25213W10: Question for CSD25213W10 Body Diode Characteristics

Jacky Wang(QD)
Genius 11590 points
Part Number: CSD25213W10

Hi Experts,

Our customer is asking the body diode characteristics for CSD25213W10 P-FET with below items which we can not find them in the datasheet, can you help to check them?

1) Drain-Source body diode forward voltage

2) Continuous current through the Drain-Source body diode when FET is off

3) Peak current through the Drain-Source body diode when FET is off

Thanks a lot!

  • 0
    TI__Mastermind 38330 points

    Hi Jacky,

    Thanks for promoting TI FETs at your customers. To answer your questions:

    1. Please refer to the datasheet. The body diode forward voltage is included in the Electrical Characteristics table on page 2.
    2. In theory, the body diode continuous current is the same as the channel of the FET since it is the same path thru the device. However, it is limited by power dissipation: VSD x ISD <= Icontinous^^2 x rds(on). The link to the blog below explains how we rate continuous current of our FETs in their datasheets.
    3. Similarly, the peak current thru the body diode is limited by power loss: VSD x ISDpeak <= IDM^^2 x rds(on)