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TPS55010: Configure the TPS55010 to Fly-buck,now look for the solution for SCP protection at secondary winding

Part Number: TPS55010

Hi Expert,

The customer configure the TPS55010 to Fly-buck,but see the high voltage stress at PH pin during the secondary winding short testing.

Seems there is no internal low side Mosfet current limiter of TPS55010.

Pls advice whether the TPS55010 can support the Fly-buck.

And any solution/idea can provide the protection for the secondary winding short testing.



Best regards,

Eric Lai


Field Application Engineer

Texas Instruments Taiwan Limited

O: +886-2-2175-2582

M: +886-909-262-582