BQ27545-G1: I2C to HDQ command and seal command?

Bruce li

Part Number: BQ27545-G1

Dear TI Expert,

My customer want to design MP and calibrate equipment of BQ27545. They want to know the command of "I2C to HDQ" and "seal". Could you kindly advise? Or Where we can find such command manual ? Thanks a lot.

over 7 years ago

0 Onyx Ahiakwo over 7 years ago

TI__Guru* 76230 points

Hi Bruce
See response below

Bq27545 I2C to HDQ
1. I2C address 0xAA w 00 00 0f //Enter ROM mode command
2. I2C address 0x16 w 00 16 //COMM Select command
3. I2C address 0x16 w 04 05 //select HDQ8 communication
4. I2C address 0x16 w 64 1b 00 //write checksum 0x16 + 0x05 = 0x1b to execute command
5. I2C address 0x16 w 00 0f //exit ROM mode to FW mode
6. I2C address 0x16 w 64 0f 00 //write checksum to execute command

thanks
Onyx

0 Bruce li over 7 years ago in reply to Onyx Ahiakwo

Genius 5580 points

Dear Onyx,
Thanks a lot for your help, could you also kindly help to advise the "seal " command?

0 Onyx Ahiakwo over 7 years ago in reply to Bruce li

TI__Guru* 76230 points

0x0020. that is the seal command. Pls check the TRM, this is contained there

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BQ27545-G1: I2C to HDQ command and seal command?