The Texas Instruments BQ76942 is a
highly integrated, high accuracy battery monitor and protector for 3-series to
10-series Li-ion, Li-polymer, and LiFePO4 battery
packs. The device includes a
high-accuracy monitoring
system, a highly configurable protection subsystem, and support for autonomous or
host-controlled
cell balancing. Integration includes high-side charge-pump NFET drivers, dual
programmable LDOs for external system use, and a host communication peripheral
supporting 400-kHz I2C, SPI, and HDQ one-wire standards. The BQ76942 is
available in a 48-pin TQFP package.
PART NUMBER(1) | PACKAGE | BODY SIZE (NOM) |
---|---|---|
BQ76942xx | PFB (48-pin) | 7 mm × 7 mm |
Changes from Revision A (January 2021) to Revision B (December 2021)
Changes from Revision * (November 2020) to Revision A (January 2021)
BQ76942 Device Family | |||
---|---|---|---|
PART NUMBER | Communications Interface | CRC Enabled | REG1 LDO Default |
BQ76942 | I2C | N | Disabled |
BQ7694201 | SPI | Y | Disabled |
BQ7694202 | I2C | Y | Enabled, set to 3.3 V |
BQ7694203 | SPI | Y | Enabled, set to 5 V |
BQ7694204 | SPI | Y | Enabled, set to 3.3 V |