Battery monitors & balancers
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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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Automotive-qualified monitors & balancers
Find your battery monitors & balancers
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.
BQ76952 and BQ76942 battery monitors
Improving voltage measurement accuracy in battery monitoring systems
Technical resources
Wired vs. wireless communications in EV BMS
Design considerations for high-cell-count battery packs in industrial applications
Powering Alternative Forms of Transportation with Industrial Battery Packs
Discover featured applications
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
- TIDA-010208 – 10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
- BQ76952 – 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
- BQ76952EVM – 3-s to 16-s Li-ion, Li-polymer, and LiFePO4 battery monitor and protector evaluation module
- 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
- BQ76942 – 3-series to 10-series multicell battery monitor and protector
- BQ76942EVM – 3-series to 10-series Li-ion, Li-polymer and LiFePO4 battery monitor and protector EVM
- 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
- BQ76942 – 3-series to 10-series multicell battery monitor and protector
- BQ76942EVM – 3-series to 10-series Li-ion, Li-polymer and LiFePO4 battery monitor and protector EVM
- BQSTUDIO – Battery Management Studio (bqStudio) Software
Design & development resources
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 (...)
10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
5s to 7s battery pack monitor reference design with low-side MOSFET control
This reference design is a high-cell voltage-accuracy 5s to 7s lithium-ion (Li-ion), lithium iron phosphate (LiFePO4) battery pack design. The design monitors each cell voltage, pack current, cell and metal-oxide semiconductor field-effect transistor (MOSFET) temperature with high accuracy and (...)
New products
Automotive SPI communication bridge functional-safety compliant with automatic host wakeup BQ798xx
Approx. price (USD)1ku |6.692
Automotive 26-S battery monitor and balancer with electrochemical impedance spectroscopy engine</
Approx. price (USD)1ku |11.499
Automotive, 7-series (7S) low-power high-accuracy battery monitor and protector
Approx. price (USD)1ku |1.15
Automotive 3 to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
Approx. price (USD)1ku |2.5
Automotive 12-S battery monitor and balancer with integrated protector and LDO FET
Approx. price (USD)1ku |5.175
Automotive 6-S battery junction box current sense UIR sensor with vertical interface
Approx. price (USD)1ku |8.039