BQ76922 Series

Three-series to five-series cell lithium-ion and lithium-phosphate battery monitor

Catalog

Three-series to five-series cell lithium-ion and lithium-phosphate battery monitor

Part	Battery Chemistry	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Function	Package Length	Package Name	Package Width	Interface	Number of Cells (Max)	Number of Cells (Min)	Package / Case
Texas Instruments BQ76922RSNR	Lithium Ion	85 °C	-40 °C	Surface Mount	Battery Monitor	4 mm	32-QFN	4 mm	HDQ I2C	5	3	32-WFQFN Exposed Pad

Catalog

Three-series to five-series cell lithium-ion and lithium-phosphate battery monitor

Description

The Texas Instruments BQ76922 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 5-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, a programmable LDO for external system use, and a host communication peripheral supporting 400kHz I2C and HDQ one-wire standards. The BQ76922 device is available in a 32-pin 4 × 4 mm QFN package. The Texas Instruments BQ76922 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 5-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, a programmable LDO for external system use, and a host communication peripheral supporting 400kHz I2C and HDQ one-wire standards. The BQ76922 device is available in a 32-pin 4 × 4 mm QFN package.