Hi Nithin, One of the most common issues on TSC2007 is the POR issue. TSC2007 has some requirements on the POR timing, which could be found on Page 31 of its datasheet. Based on your testing and observations, I believe the root cause of the i2c address should be the improper POR timing. Below is a link to an application note, which explains this POR issue in details. www.ti.com/.../sbaa161.pdf Andy
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