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TPS2051BDR - power distribution switch

Santoshkumar Gurral
Intellectual 270 points
Other Parts Discussed in Thread: TPS2051B, TPS2051C

Hi 

I am using part no: TPS2051BDR  as a power distribution switch on USB OTG port, as per datasheet this part is supposed to pull down OC pin (over current flag) when current crosses over 500mA on VIN to VOUT path.

But I am observing on my PCB that this device is not pulling the OC pin low until the current crosses more than 1A (actually more than 1A close to 1.5A – after this current only OC pin goes low).

Please find the image below of my schematics for your reference

 

 

Thanks

Santosh