Battery monitors & balancers
Accurate battery cell monitoring and integrated protection
Accurate monitoring enables more efficient battery use, resulting in longer run time and a reduction in battery size and cost. Our monitors and balancers provide accurate, real-time readings of battery cell voltage, temperature and current in a variety of battery management systems. Our broad portfolio of products is designed to enable the highest levels of innovation in vehicle electrification, e-mobility and home appliances.
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Automotive-qualified monitors & balancers
CHG & DSG FET drivers
New products
Battery monitors & balancers
Industrial 14-s stackable battery monitor, balancer and integrated protector compliant to ASIL-B
Approx. price (USD) 1ku | 4.2
Battery monitors & balancers
Automotive 18S battery monitor and balancer with ASIL-D compliance and current sense
Approx. price (USD) 1ku | 7.69
Battery monitors & balancers
Automotive high-voltage battery pack monitor with voltage and insulation-resistance sensing
Approx. price (USD) 1ku | 5.99
Battery monitors & balancers
Automotive high-voltage battery pack monitor with voltage, current and insulation resistance sensing
Approx. price (USD) 1ku | 5.99
Power trends
Battery monitors & balancers for low noise & precision
Enable time-synchronized measurements across each battery-cell with high-accuracy voltage monitoring and fault detection. For battery management systems in HEV/EV, our automotive battery monitors and balancers integrate noise filtering to eliminate the need for external components. For industrial systems, our monitors with integrated protection give full control over voltage, current and temperature for optimal system performance.
Video series
BQ76952 and BQ76942 battery monitors
This training series helps you ensure the safety and protection of your system using BQ76952 and BQ76942 battery monitors.
Technical article
Improving voltage measurement accuracy in battery monitoring systems
This article focuses on voltage monitoring of lithium-based batteries to ensure the safe operation of battery-powered systems such as vacuum cleaners, power tools and e-bikes.
Featured products for low noise & precision
Technical resources
Video
Wired vs. wireless communications in EV BMS
Learn about design considerations for wired and wireless battery management systems in electric vehicles (EVs).
Video
Design considerations for high-cell-count battery packs in industrial applications
Watch this video to understand the pros and cons of basic system configurations, including gauges, monitors and primary or secondary protectors while offering examples for different battery types.
White paper
Powering Alternative Forms of Transportation with Industrial Battery Packs
Read how a worldwide trend toward environmentally friendly transportation is driving demand for longer-lasting battery packs.
Discover featured applications
Battery backup unit (BBU)
Accurately monitor your high cell count battery management system with our battery monitors and balancers
Battery pack: cordless power tool
Improve the battery voltage, current and temperature measurement accuracy in your battery monitoring system
Battery pack: vacuum cleaner/robot
Meet your battery safety and accuracy requirements with our battery monitors and balancers
Accurately monitor your high cell count battery management system with our battery monitors and balancers
Benefits
- Multi-chemistry battery monitor with cell balancing capability for 3-series to 16-series cells in a small solution size
- Extensive protection suite including voltage, temperature, current, and internal diagnostics
- Flexible communication options including 400-kHz I2C, SPI and HDQ one-wire interface
- Integrated one-time programmable (OTP) memory programmable on the production line
- Integrated charge pump for high-side NFET protection with optional autonomous recovery
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-010208 – 10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
PRODUCTS
- BQ76952 – 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
HARDWARE DEVELOPMENT
- BQ76952EVM – 3-s to 16-s Li-ion, Li-polymer, and LiFePO4 battery monitor and protector evaluation module
TECHNICAL RESOURCES
- How to stack battery monitors for high-cell-count industrial applications – Technical article
SOFTWARE DEVELOPMENT
- BQSTUDIO – Battery Management Studio (bqStudio) Software
Improve the battery voltage, current and temperature measurement accuracy in your battery monitoring system
Benefits
- Multi-chemistry battery monitor with cell balancing capability for 3-series to 10-series cells in a small solution size
- Extensive protection suite including voltage, temperature, current, and internal diagnostics
- Flexible communication options including 400-kHz I2C, SPI and HDQ one-wire interface
- Integrated one-time programmable (OTP) memory programmable on the production line
- Integrated charge pump for high-side NFET protection with optional autonomous recovery
Featured resources
END-EQUIPMENT / SUB-SYSTEM
PRODUCTS
- BQ76942 – 3-series to 10-series multicell battery monitor and protector
HARDWARE DEVELOPMENT
- BQ76942EVM – 3-series to 10-series Li-ion, Li-polymer and LiFePO4 battery monitor and protector EVM
TECHNICAL RESOURCES
- Improving voltage measurement accuracy in battery monitoring systems – Technical article
SOFTWARE DEVELOPMENT
- BQSTUDIO – Battery Management Studio (bqStudio) Software
Meet your battery safety and accuracy requirements with our battery monitors and balancers
Benefits
- Multi-chemistry battery monitor with cell balancing capability for 3-series to 10-series cells in a small solution size
- Extensive protection suite including voltage, temperature, current, and internal diagnostics
- Flexible communication options including 400-kHz I2C, SPI and HDQ one-wire interface
- Integrated one-time programmable (OTP) memory programmable on the production line
- Integrated charge pump for high-side NFET protection with optional autonomous recovery
Featured resources
END-EQUIPMENT / SUB-SYSTEM
PRODUCTS
- BQ76942 – 3-series to 10-series multicell battery monitor and protector
HARDWARE DEVELOPMENT
- BQ76942EVM – 3-series to 10-series Li-ion, Li-polymer and LiFePO4 battery monitor and protector EVM
TECHNICAL RESOURCES
- Easy Configuration of BQ76942/52 Battery Monitors (Rev. A) – Application note
SOFTWARE DEVELOPMENT
- BQSTUDIO – Battery Management Studio (bqStudio) Software
Design & development resources
Application software & framework
Battery Management Studio (bqStudio) Software
Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)
Reference design
10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
This reference design is a low standby and ship-mode current consumption and high cell voltage accuracy 10s–16s Lithium-ion (Li-ion), LiFePO4 battery pack design. It monitors each cell voltage, pack current, cell and MOSFET temperature with high accuracy and protects the Li-ion, LiFePO4 (...)