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Unfortunately the bqstudio for the bq27742 does not have the one click button that puts the device into hdq. However, you can trick the system using bqstudio for another device. Here is how:
-disconnect the gauge from the computer by disconnecting the usb cable to the computer
-start bqstudio and select gauge, then select bq27541-g1.
-now plug in the bq27742 gauge by connecting the usb cable back.
-the bqstudio for the bq27541 will detect communication and you should be able to cllick the i2c to hdq button o n there and put the device into hdq mode.
好的，等您验证了结果告诉我声了，我是2400+EVM也不行，但是没有出现I2C to HDQ这个菜单选项啊？ BQ软件我也是最新版本了。我看插入的时候应该是自动搜索2种通讯模式，我有封装好的电池包测试HDQ是可以的，但是EVM用I2C通讯可以，HDQ不行，TI说叫我找售后。我希望能确认下是不是EVM问题都没人理我。你测试好了告诉我声是不是一定要有BQ27742转换接口的步骤呢？ 这个步骤我没有啊。windows10的操作系统。
