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Forum Post: Charging current at TPS2543

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Hi

Please tell me that charging current connecting at TPS2543 and IPAD2.

Connecting conditions are as follow.

1,Connect the IPAD2 and TPS2543EVM,Vbus in shorted by external jumperwire, and opend the Vout of the EVM.

   Charging current is 1A...Divider1

2,Condition of nomal use

   Charging current is 1.6A...Divider2

My question is below

Q1,Why current value what is the difference 1 and 2

Q2,Why is it divider1 case of 1

Q3,Why no matter how flows only 1.6A case of 2(I think usualy 2.1A....)

Q4,Please tell me the condition that can change current 2.1A at TPS2543EVM and IPAD2

Best regards,

masa


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