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My customer found the Vin, Vout and GND are shorted. When they took away the TPS1641, the circuit was normal. Below is the schematic. Could you please check if it has some problems?
They gave 24V power to testing board with hot plugging. Then a little spark appeared in F1. Then they took away the chip from board and tested the resistors of pins:
IN to GND: 1Ohm
Out to GND: 1 Ohm
The resistors to GND of other pins are more than 10M Ohm.
For their application with hot plugging, is the TPS1641 suitable? They want the function of 50mA current limitation, what's the recommends else for the requirement?
