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BQ41Z50: BQ41Z50无法通讯

Part Number: BQ41Z50
Other Parts Discussed in Thread: EV2400

TI达人:

        我的BQ41Z50直做在主板中,目前使用Battery Management Studio软件无法调试,目前的我的环境是:

Battery Management Studio Version : 1.3.127 Build 3

EV2400 Firmware  v0.28

  可以使用IIC方式通讯,读取到BQ41Z50的ID。0000_0_02  addr:0x16.

 如果使用SMBus总线通讯 Battery Management Studio 上只有EV2400符号正常。

     我已经将ALERT和PRES连接到PACK–上,短路电池正极到输出,PACK(pin 15)有电压. CHG上有12V电压(3s)

 

请问接下来如果查找问题。