BQ40Z50: BQ40Z50-R1

Hugo Liu

Genius 5095 points

Part Number: BQ40Z50

Hi Sir,

The following is logic analyzer data, this is show command=01, current 9001(0x0190) => 400 mAh.

Q1: what's the "3D" function? I can't found out on "bq40z50-R1 Technical Reference Manual (Rev. D)"

Q2 Do yuo have other SMBUS register list document of BQ40Z50?

over 7 years ago

0 Miguel Angel Rios over 7 years ago

TI__Expert 4640 points

Hi Hugo,

Can you please tell me what register this is at?

Thanks

Miguel

0 Swaminathan Ramanathan75031 over 7 years ago

TI__Expert 6575 points

Hi Hugo,
1. This last data is the "Packet Error Checking" as per the SMBus specification. The byte is calculated as CRC-8 checksum.
2. SMBus command list can be found in Section 13 of the TRM. The main commands you are using above are from Section 13.2 onwards.
Regards,
Swami

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BQ40Z50: BQ40Z50-R1