SLUAA11B
February 2020 – August 2021
BQ769142
,
BQ76922
,
BQ76942
,
BQ76952
Trademarks
1
Direct Commands
1.1
Alarm Enable - 0x66
1.2
Cell 1 Voltage - 0x14
1.3
Internal Temperature - 0x68
1.4
CC2 Current - 0x3A
2
Subcommands
2.1
DEVICE_NUMBER - 0x0001
2.2
MANUFACTURING STATUS - 0x0057
2.3
FET_ENABLE - 0x0022
2.4
RESET - 0x0012
3
Reading and Writing RAM Registers
3.1
Read 'Enabled Protections A'
3.2
Enter CONFIG_UPDATE Mode
3.3
Write 'Enabled Protections A'
3.4
Write 'VCell Mode'
3.5
Exit CONFIG_UPDATE Mode
4
I2C With CRC
5
SPI With CRC Examples
5.1
Direct Command Example: Alarm Enable - 0x66
5.2
Direct Command Example: Cell 1 Voltage - 0x14
5.3
Subcommand Example: Device Number - 0x0001
5.4
Subcommand Example: FET_ENABLE - 0x0022
5.5
Subcommand Example: RESET - 0x0012
5.6
RAM Register Read Example: Enabled Protections A
5.7
RAM Register Write Example: Enabled Protections A
6
Simple Code Examples
7
References
8
Revision History
7
References
Texas Instruments:
BQ76952 3S-16S Battery Monitor and Protector Data Sheet
Texas Instruments:
BQ76942 3S-160S Battery Monitor and Protector Data Sheet
Texas Instruments:
BQ76952 Technical Reference Manual
Texas Instruments:
BQ76942 Technical Reference Manual