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BQ34Z100-G1: No I2C comms in bqStudio on new prototype

Hi, I have my first prototype of a product using the BQ34Z100-G1 and I am unable to get bqStudio to detect the device or manually send/receive commands from the device. The BQ does appear be operating since there is 2.5V on the REG25 pin. I have the I2C lines pulled up with 10K resistors to REGIN since I am talking with the EV2300 which does not have pull-ups. Battery voltage is current 3.62V. I hooked the lines up to a logic analyzer and get a NACK after the address byte. Any suggestions?


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