Battery monitors & balancers

Accurate battery cell monitoring and integrated protection

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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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Battery protectors

Protectors boast a reduced feature size and low power dissipation, ideal for small form factor products while offering both primary and secondary protection options.

Find your battery monitors & balancers

BQ76922
Battery monitors & balancers

3-s to 5-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4

Approx. price (USD) 1ku | 0.99

BQ79731-Q1
Battery monitors & balancers

Automotive battery junction box voltage monitor, current sensor and isolation impedance sensor

Approx. price (USD) 1ku | 8.388

BQ76905
Battery monitors & balancers

Low-power monitor and protector for 2S to 5S with high accuracy cell voltage measurement

Approx. price (USD) 1ku | 0.62

BQ76972
Battery monitors & balancers

3s-to-16s high-accuracy battery monitor and protector for Li-ion, Li-poly and LiFePO4

Approx. price (USD) 1ku | 2.175

BQ76907
Battery monitors & balancers

Low-power monitor and protector for 2S to 7S with high accuracy cell voltage measurement

Approx. price (USD) 1ku | 0.65

BQ79718-Q1
Battery monitors & balancers

Automotive 18-s precise battery monitor, balancer and integrated protector compliant to ASIL-D

Approx. price (USD) 1ku | 8.388

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.
PDF | HTML
Featured products for low noise & precision
BQ76952 ACTIVE 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
BQ76942 ACTIVE 3-series to 10-series multicell battery monitor and protector
BQ76940 ACTIVE 9 to 15-series cell li-ion and li-phosphate battery monitor (bq76940 family)

Technical resources

Video
Video
Wired vs. wireless communications in EV BMS
Learn about design considerations for wired and wireless battery management systems in electric vehicles (EVs).
Video
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
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.
document-pdfAcrobat PDF

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 (...)
Evaluation board
BQ79616 evaluation module for 16-S precision battery monitor, balancer and integrated protector

The BQ79616 evaluation module (EVM)  is a development platformfor the BQ79616-Q1. BQ79616-Q1 provides high accuracy and channel measurements for six to 16 battery cells. With the inclusion of a daisy-chain communication port, BQ79616-Q1 is stackable (up to 35 devices) to support (...)

Reference designs related to Battery monitors & balancers

Use our reference design selection tool to find designs that best match your application and parameters.