제품 상세 정보

Rating Automotive Number of series cells (max) 7 Number of series cells (min) 2 Features Digital output, I2C support, Integrated ADC, LDO output, Low-Power Sleep Mode, Low-side driver, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 38.5 Communication interface I2C Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 0 Battery overvoltage protection (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Operating current (typ) (µA) 140
Rating Automotive Number of series cells (max) 7 Number of series cells (min) 2 Features Digital output, I2C support, Integrated ADC, LDO output, Low-Power Sleep Mode, Low-side driver, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection Vin (max) (V) 38.5 Communication interface I2C Device type Cell monitor and balancer, Protector Operating temperature range (°C) -40 to 125 Battery overvoltage protection (min) (V) 0 Battery overvoltage protection (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Operating current (typ) (µA) 140
VQFN (RGR) 20 12.25 mm² 3.5 x 3.5
  • AEC-Q100 Qualified for automotive applications
  • Battery and supercap monitoring capability for 2-series to 7-series cells
  • Integrated low-side drivers for NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • 16-bit delta-sigma voltage ADC
    • High accuracy cell voltage measurement of 1mV (typical)
  • Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
    • High-accuracy current measurement with low input offset error
    • Wide-range current applications (±200mV measurement range across sense resistor)
    • 48bit accumulated charge integrator with timer
  • Host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode (with Coulomb counting): 32µA to 175µA
    • SLEEP mode (with protections active): 6µA
    • DEEPSLEEP mode: 2.7µA
    • SHUTDOWN mode: <1µA
  • Supply voltage from 3V to 38.5V
  • High-voltage tolerance of 45V on cell connect and select additional pins
  • Support for temperature sensing using an internal sensor and an external thermistor
  • Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
  • 400kHz I2C serial communications with optional CRC support
  • Programmable LDO for external system usage
  • 20-pin QFN (RGR) package
  • AEC-Q100 Qualified for automotive applications
  • Battery and supercap monitoring capability for 2-series to 7-series cells
  • Integrated low-side drivers for NFET protection with optional autonomous recovery
  • Extensive protection suite including voltage, temperature, current, and internal diagnostics
  • 16-bit delta-sigma voltage ADC
    • High accuracy cell voltage measurement of 1mV (typical)
  • Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
    • High-accuracy current measurement with low input offset error
    • Wide-range current applications (±200mV measurement range across sense resistor)
    • 48bit accumulated charge integrator with timer
  • Host-controlled cell balancing
  • Multiple power modes (typical battery pack operating range conditions)
    • NORMAL mode (with Coulomb counting): 32µA to 175µA
    • SLEEP mode (with protections active): 6µA
    • DEEPSLEEP mode: 2.7µA
    • SHUTDOWN mode: <1µA
  • Supply voltage from 3V to 38.5V
  • High-voltage tolerance of 45V on cell connect and select additional pins
  • Support for temperature sensing using an internal sensor and an external thermistor
  • Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
  • 400kHz I2C serial communications with optional CRC support
  • Programmable LDO for external system usage
  • 20-pin QFN (RGR) package

The Texas Instruments BQ76907-Q1 provides a highly integrated, high-accuracy battery monitor and protector for 2-series to 7-series Li-ion, Li-polymer, LiFePO4 (LFP), and LTO battery packs and supercaps. The device includes a high-accuracy monitoring system with a dedicated coulomb counter and accumulated charge integration, a highly configurable protection subsystem, and support for host-controlled cell balancing. Integration includes low-side protection NFET drivers, a programmable LDO for external system use, and an I2C host communication interface supporting up to 400kHz operation with optional CRC. Continuous Coulomb counting is available in multiple power modes ranging down to 32µA. The BQ76907-Q1 operates over a supply voltage from 3V to 38.5V and is available in a 20-pin QFN package.

The Texas Instruments BQ76907-Q1 provides a highly integrated, high-accuracy battery monitor and protector for 2-series to 7-series Li-ion, Li-polymer, LiFePO4 (LFP), and LTO battery packs and supercaps. The device includes a high-accuracy monitoring system with a dedicated coulomb counter and accumulated charge integration, a highly configurable protection subsystem, and support for host-controlled cell balancing. Integration includes low-side protection NFET drivers, a programmable LDO for external system use, and an I2C host communication interface supporting up to 400kHz operation with optional CRC. Continuous Coulomb counting is available in multiple power modes ranging down to 32µA. The BQ76907-Q1 operates over a supply voltage from 3V to 38.5V and is available in a 20-pin QFN package.

다운로드 스크립트와 함께 비디오 보기 동영상

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
2개 모두 보기
유형 직함 날짜
* Data sheet BQ76907-Q1 2-Series to 7-Series High Accuracy Automotive Battery Monitor and Protector for Li-Ion, Li-Polymer, LiFePO4 (LFP), and LTO Battery Packs and Supercaps datasheet PDF | HTML 2025/03/07
Application brief Meeting The Power Demands of 12V Auxiliary and Supercapacitor Batteries in Automotive Applications PDF | HTML 2025/07/18

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

BQ76907EVM — 저전력 모니터 및 보호기를 위한 BQ76907 평가 모듈

BQ76907EVM 평가 모듈(EVM)은 BQ76907용의 완벽한 평가 시스템입니다. BQ76907은 2~7시리즈 리튬 이온, 리튬 폴리머 및 LiFePO4 배터리 팩을 위한 고집적, 고정밀 배터리 모니터 및 보호기입니다. EVM에는 BQ76907 통합 회로(IC) 1개, 감지 저항, 서미스터 1개, 전력 FET 및 기타 모든 온보드 부품이 포함되어 있어 과충전, 과방전, 단락, 과전류 방전, 과열 및 온도 미달으로부터 셀을 보호합니다.
사용 설명서: PDF | HTML
TI.com에서 구매 불가
드라이버 또는 라이브러리

BQ76907RGRRQ1-FS Functional Safety documentation for BQ76907-Q1

This secure folder stores Functional Safety documentation for BQ76907-Q1
지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
배터리 모니터 및 밸런서
  • BQ76907-Q1 LiFePO4 및 슈퍼 커패시터용 차량용 7S 저전력 고정밀 배터리 모니터 및 보호기
드라이버 또는 라이브러리

BQ7690X-CODE-EXAMPLES BQ7690x battery monitors code examples

Microcontroller sample code examples for interfacing with BQ7690x battery monitors and protectors.
지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
배터리 모니터 및 밸런서
  • BQ76905 고정확도 셀 전압 측정을 지원하는 2S~5S용 저전력 모니터 및 보호기
  • BQ76907 고정확도 셀 전압 측정을 지원하는 2S~7S용 저전력 모니터 및 보호기
  • BQ76907-Q1 LiFePO4 및 슈퍼 커패시터용 차량용 7S 저전력 고정밀 배터리 모니터 및 보호기
다운로드 옵션
패키지 CAD 기호, 풋프린트 및 3D 모델
VQFN (RGR) 20 Ultra Librarian

주문 및 품질

포함된 정보:
  • RoHS
  • 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

권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.

지원 및 교육

TI 엔지니어의 기술 지원을 받을 수 있는 TI E2E™ 포럼

콘텐츠는 TI 및 커뮤니티 기고자에 의해 "있는 그대로" 제공되며 TI의 사양으로 간주되지 않습니다. 사용 약관을 참조하십시오.

품질, 패키징, TI에서 주문하는 데 대한 질문이 있다면 TI 지원을 방문하세요. ​​​​​​​​​​​​​​

동영상