SLUA790 November   2016 BQ34110 , BQ34Z100-G1 , BQ35100

 

  1.   Using I2C Communications With the bq34110, bq35100, and bq34z100-G1 Series of Gas Gauges
    1.     Trademarks
    2. 1 Example 1: Reading Cell Voltage
    3. 2 Example 2: Reading the Firmware Version
      1. 2.1 Standard I2C Commands
      2. 2.2 Extended I2C Commands
      3. 2.3 Control Subcommands
      4. 2.4 Data Flash Access for the bq34z100-G1
    4. 3 Data Flash Access for the bq34110 and bq35100
    5. 4 Summary
    6. 5 Glossary: Control-Bit-Sequence Definitions

2.2 Extended I2C Commands

Read these like Standard Commands. As an example, use the State-of-Health (SOH), its command code is 2E/2F.

Use the I2C Master Control Panel section to read the flash.

ENTER: Start Register 2E, Number of Bytes to Read 2, and PRESS the Read button.

fig05_slua790.pngFigure 5. Extended I2C Command Reading State-of-Health

Byte swap the data and convert it to decimal. 0062 is 98% SOH.