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tps61200 connection logic

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vishu489

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an we do logic as shown in the image sch.png

when i connect usb plug tps61200 must have to draw power from usb plug and not from battery. There should not be any effect on battery charging process. When usb connection is absent tps will draw power from battery.

is it possible to implement this logic with help of two low forward voltage diodes?

for battery charging i'm using mcp73831
 

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