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BQ76907-Q1

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Automotive, 7S low-power high-accuracy battery monitor and protector for LiFePO4 and supercapacitors

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Data sheet

BQ76907-Q1

ACTIVE
Data sheet Order now

Product details

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
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Type Title Date
* 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 07 Mar 2025
Application brief Meeting The Power Demands of 12V Auxiliary and Supercapacitor Batteries in Automotive Applications PDF | HTML 18 Jul 2025

Design & development

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Evaluation board

BQ76907EVM — BQ76907 evaluation module for low-power monitor and protector

The BQ76907EVM evaluation module (EVM) is a complete evaluation system for the BQ76907. The BQ76907 is a highly integrated, high-accuracy battery monitor and protector for 2-series to 7-series Li-Ion, LiPolymer and LiFePO4 battery packs. The EVM includes one BQ76907 integrated circuit (IC), sense (...)
User guide: PDF | HTML
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Driver or library

BQ76907RGRRQ1-FS — Functional Safety documentation for BQ76907-Q1

This secure folder stores Functional Safety documentation for BQ76907-Q1
Supported products & hardware

Supported products & hardware

Products
Battery monitors & balancers
  • BQ76907-Q1 — Automotive, 7S low-power high-accuracy battery monitor and protector for LiFePO4 and supercapacitors
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Driver or library

BQ7690X-CODE-EXAMPLES — BQ7690x battery monitors code examples

Microcontroller sample code examples for interfacing with BQ7690x battery monitors and protectors.
Supported products & hardware

Supported products & hardware

Products
Battery monitors & balancers
  • BQ76905 — Low-power monitor and protector for 2S to 5S with high accuracy cell voltage measurement
  • BQ76907 — Low-power monitor and protector for 2S to 7S with high accuracy cell voltage measurement
  • BQ76907-Q1 — Automotive, 7S low-power high-accuracy battery monitor and protector for LiFePO4 and supercapacitors
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VQFN (RGR) 20 Ultra Librarian
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