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Differences of PCA82C250 between batches

Question asked by 杨 雷 on Jun 22, 2019
Latest reply on Jul 1, 2019 by G.w. Sun

we made a mistake.

As we can see from the picture, I plugged the power plug into the CAN bus plug.

CANA_H  is 29VDC, and CANB_L is the power ground.

Power supply current display is 11.0 mA(PCA82C250 batch number is nH9514Y), but in annother PCA82C250(Batch number:nH910**),the current is 0.2mA。

I want to know why the current is differernt.