제품 상세 정보

Rating Automotive Number of series cells (max) 16 Number of series cells (min) 3 Features Autonomous Mode, Coulomb Counter, Digital output, High-side FET drive, I2C support, LDO output, Low-Power Sleep Mode, Multi-cell support, One-Time Programmable (OTP) memory, Open wire (OW), Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Power-save mode, Scratchpad memory, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 80 Communication interface HDQ, I2C, SPI Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 1.012 Battery overvoltage protection (max) (V) 5.566
Rating Automotive Number of series cells (max) 16 Number of series cells (min) 3 Features Autonomous Mode, Coulomb Counter, Digital output, High-side FET drive, I2C support, LDO output, Low-Power Sleep Mode, Multi-cell support, One-Time Programmable (OTP) memory, Open wire (OW), Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Power-save mode, Scratchpad memory, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 80 Communication interface HDQ, I2C, SPI Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 1.012 Battery overvoltage protection (max) (V) 5.566
TQFP (PFB) 48 81 mm² 9 x 9
  • AEC-Q100 Qualified for automotive applications
  • Battery and supercap monitoring capability for 3-series to 16-series cells
  • High accuracy cell voltage measurement of ±3.0mV
  • 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 low input offset error
  • Wide-range current applications (±200mV 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: 286µA
    • Multiple SLEEP mode options: 24µA to 41µA
    • Multiple DEEPSLEEP mode options: 9µA to 10µA
    • SHUTDOWN mode: 1µA
  • High-voltage tolerance of 85V 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 400kHz I2C, SPI, and HDQ one-wire interface
  • Dual-programmable LDOs for external system usage
  • 48-pin TQFP package (PFB)
  • AEC-Q100 Qualified for automotive applications
  • Battery and supercap monitoring capability for 3-series to 16-series cells
  • High accuracy cell voltage measurement of ±3.0mV
  • 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 low input offset error
  • Wide-range current applications (±200mV 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: 286µA
    • Multiple SLEEP mode options: 24µA to 41µA
    • Multiple DEEPSLEEP mode options: 9µA to 10µA
    • SHUTDOWN mode: 1µA
  • High-voltage tolerance of 85V 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 400kHz I2C, SPI, and HDQ one-wire interface
  • Dual-programmable LDOs for external system usage
  • 48-pin TQFP package (PFB)

The Texas Instruments BQ76972-Q1 device is a highly integrated, high-accuracy automotive battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, LiFePO4 battery and supercap 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 400kHz I2C, SPI, and HDQ one-wire standards. The BQ76972-Q1 device is available in a 48-pin TQFP package.

The Texas Instruments BQ76972-Q1 device is a highly integrated, high-accuracy automotive battery monitor and protector for 3-series to 16-series Li-ion, Li-polymer, LiFePO4 battery and supercap 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 400kHz I2C, SPI, and HDQ one-wire standards. The BQ76972-Q1 device is available in a 48-pin TQFP package.

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* Data sheet BQ76972-Q1 3-Series to 16-Series High Accuracy Automotive Battery Monitor and Protector for Li-Ion and LiFePO4 Battery and Supercap Packs datasheet PDF | HTML 2026/05/13

설계 및 개발

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평가 보드

BQ76952EVM — 3s~16s 리튬 이온, 리튬 폴리머 및 LiFePO4 배터리 모니터 및 보호기 평가 모듈

BQ76952EVM 평가 모듈(EVM)은 BQ76952 3셀~16셀 리튬 이온 배터리 모니터 통합 회로를 위한 완전한 평가 시스템입니다. EVM은 BQ76952 모니터 기능의 간단한 평가를 위해 사용되는 BQ76952 회로 모듈로 구성됩니다. 회로 모듈에는 BQ76952 통합 회로(IC) 1개, 감지 저항기, 전력 FET 및 16시리즈 셀 리튬 이온 또는 리튬 폴리머 배터리 팩의 과충전, 과방전, 단락 및 과전류 방전, 과열 및 온도 미달로부터 셀을 보호하는 데 필요한 모든 온보드 부품이 포함되어 있습니다. 회로 모듈은 배터리의 (...)

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TQFP (PFB) 48 Ultra Librarian

주문 및 품질

포함된 정보:
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  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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