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BQ76PL455A: Daisy-Chain Issue

Part Number: BQ76PL455A

A project of stored energy. We are use the function of Daisy-chain. When we test 3 bq76pl455,the communication is ok. But if we test 4bq76pl455,the  communication will be fail.we can not communicate with the fourth 455,we can not contorl the first three 455 normally.please help to give some advice.thank you.

  • Hi Jerry,

    How long are the cables used? Are you in an electrically "noisy" environment?

    Do you have a schematic or some sort of diagram detailing your setup?

    What is the failure mode? Is it a timeout?

    Are you using GUI or MCU?

    The more info i can gather, the better i can help.