Ti Bq76952 Battery Power Charge Management Chip Electronic Components Integrated Circuit IC.

• shape: Flat
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Technics: Semiconductor IC
• Application: Standard Generalized Integrated Circuit
• Type: Digital / Analog IC
• Model NO.: BQ76952
• Rating: Catalog
• RoHS: Yes
• Reach: Yes
• Operating Temperature Range (°c): -40 to 125
• Transport Package: 3, 000 Large T&R
• Trademark: TI
• HS Code: 8542399000
• Production Capacity: 60000

Product Description

Quality information

RatingCatalog

RoHSYes

REACHYes

Lead finish / Ball materialNIPDAU

MSL rating / Peak reflowLevel-2-260C-1 YEAR

 

Packaging information

Package | PinsTQFP (PFB) | 48

Operating temperature range (°C)-40 to 85

Package qty | Carrier1,000 | LARGE T&R

Features for the BQ76952

• Battery monitoring capability for 3-series to 16-series cells
• Integrated charge pump for high-side NFET protection with optional autonomous recovery
• Extensive protection suite including voltage, temperature, current, and internal diagnostics
• Two independent ADCs
  • Support for simultaneous current and voltage sampling
  • High-accuracy coulomb counter with input offset error < 1 µV (typical)
  • High accuracy cell voltage measurement < 10 mV (typical)
• Wide-range current applications (±200-mV measurement range across sense resistor)
• Integrated secondary chemical fuse drive protection
• Autonomous or host-controlled cell balancing
• Multiple power modes (typical battery pack operating range conditions)
  • NORMAL mode: 286 µA
  • Multiple SLEEP mode options: 24 µA to 41 µA
  • Multiple DEEPSLEEP mode options: 9 µA to 10 µA
  • SHUTDOWN mode: 1 µA
• High-voltage tolerance of 85 V on cell connect and select additional pins
• Tolerant of random cell attach sequence on production line
• Support for temperature sensing using internal sensor and up to nine external thermistors
• Integrated one-time-programmable (OTP) memory programmable by customers on production line
• Communication options include 400-kHz I²C, SPI, and HDQ one-wire interface
• Dual-programmable LDOs for external system usage
• 48-pin TQFP package (PFB)

Description for the BQ76952

The Texas Instruments BQ76952 device is a highly integrated, high-accuracy battery monitor and protector for 3-series to 16-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 BQ76952 device is available in a 48-pin TQFP package.