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BQ27Z746EVM-047: 设备连接bqstudio故障

Part Number: BQ27Z746EVM-047
Other Parts Discussed in Thread: BQSTUDIO, EV2400

您好,BQ27Z746EVM板无法与bqstudio建立连接。打开bqstudio,不会自动连接,手动选择gauge后, 如图所示。但是我使用的盒子是EV2400。

线路连接如下:一节电池接BAT+/BAT-,电压3.46V,未接负载。

测试得PACK+为1.035V,长按CHGR_WAKE测得PACK+为3.46V,

VDD 3.46V

CHG 0.0014V

DSG 0.59V

ENAB 3.15V

SDA 3.37V

SCL 3.37V

长按CHGR_WAKE测得PACK+为3.46V,

VDD 3.46V

CHG 0.0014V

DSG 0.59V

ENAB 0.16V

SDA 3.37V

SCL 3.37V

请问是什么原因导致的呢?怎么解决故障呢?谢谢!