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Original question:

TPS1HB16-Q1: TPS1HB16-Q1 current limit settings

TPS1HB16-Q1: TPS1HB16-Q1 Short circuit protection in the 28V supply voltage

sadik TAHTA
Prodigy 10 points
Part Number: TPS1HB16-Q1
Other Parts Discussed in Thread: TPS1HTC30-Q1

Tool/software:

We want to use TPS1HB16-Q1 in our power load switch device that input voltage supply range 28V to 30V so in the datasheet there is extended voltage use information for 28V so ıf we use VBB supply voltage 28V

how to handle VSC
Short Circuit Maximum
Supply Voltage  18V.  Can we use ILIM pulup resitor VBB voltage differant from 28V supply, what I mean that for the short circuit protection how to adjust ICL when supply voltage 28V. May I supply ILIM upup resitor VBB 18V differant from 28V supply volatge.

handle  

  • 0
    TI__Mastermind 23625 points

    Hello Sadik,

    The TPS1HB16-Q1 is designed for automotive 12V systems and tested for short-to-ground events for 12V systems in accordance with the AEC-Q100-012 standard. As such, it would not be guaranteed to survive a short circuit event at 28V or have a characterized current limit with 28V.

    The TPS1HTC30-Q1 is designed to work for automotive systems up to 48V nominal so I would recommend this part instead.

    Best Regards,
    Tim