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BQ34Z100-G1: BQ34Z100-G1 responding to wrong i2C address

Paul Bareil

Prodigy 130 points

Part Number: BQ34Z100-G1

Hi,

I have a bq34z100-G1 responding to address 0x16 instead of 0xAA. I tried to reprogram it using the srec provided, but it just fails.

What can I do?

over 2 years ago

0 Wyatt Keller over 2 years ago

TI__Guru** 102605 points

Hello Paul,

You may have your gauge in firmware mode, you can refer to some other threads for more information: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/759865/bq34z100-g1-flashing-via-microcontroller

Sincerely,

Wyatt Keller

0 Paul Bareil over 2 years ago in reply to Wyatt Keller

Prodigy 130 points

Ok, It would looks like you are right. But how do I exit this mode?

0 Wyatt Keller over 2 years ago in reply to Paul Bareil

TI__Guru** 102605 points

Hello Paul,

There are other threads for how to exit ROM mode: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/911750/bq34z100-g1-golden-image-questions-about-address-register-checksum

Sincerely,

Wyatt Keller