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TPS2H160-Q1: question about open-load detection

Gary Wang1
Intellectual 350 points
Part Number: TPS2H160-Q1

Dears,

As shown in the screenshots below, Table 2 of the datasheet, an external pullup is required for open-load detection.

and the open-load detection is not reported on the STx or FAULT pins, and microcontroller must set the SEL pin to detect the channel-on open-load fault....

my question is how can the Version A (without SEL pin) realize the open-load detection without SEL pin.

thanks.

  • 0
    TI__Mastermind 26900 points

    Hello,

    Version B with current sense monitoring, has only one output for fault reporting CS pin.

    Version A has 2 status pins. Each status pin STx reports the fault on the correspoding channel. The STx pin goes low when open load is detected. There is no need for SEL with version A.

    Regards