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Overvoltage protection for 2-, 3- and 4-series cell Li-ion batteries with regulated output supply
Approx. price (USD) 1ku | 0.11
Automotive WPC 2.0 compatible fully integrated wireless power receiver IC
Approx. price (USD) 1ku | 1.401
2-4 series Li-ion highly integrated battery fuel gauge and protector
Approx. price (USD) 1ku | 1.92
Low-power monitor and protector for 2S to 5S with high accuracy cell voltage measurement
Approx. price (USD) 1ku | 0.62
Stand-alone or I²C controlled 70V bidirectional buck charge controller with power path
Approx. price (USD) 1ku | 2.99
Low-power protector for 2S to 7S with high accuracy cell voltage measurement
Approx. price (USD) 1ku | 0.62
Technical resources
Functional Safety Considerations in Battery Management for Vehicles
Wired vs. Wireless Communications In EV Battery Management (Rev. A)
Combining Buck-Boost Battery Chargers and USB Type-C Power Delivery for Maximum (Rev. A)
Discover featured applications
Create a safe, efficient and long-lasting battery system in medical applications with our battery management technology
Benefits:
- Gauges offer programmable hardware and firmware-based protections alongside high system-on-a-chip accuracy.
- Chargers support multicell configurations and parallel battery packs, and provide quick backup functionality for seamless transition during a main power failure.
- Protectors provide features for one-cell-in-series battery systems through voltage, current and temperature, using external power temperature coefficient protections in a cost-optimized solution. Extend product shelf life with our low-power consumption mode and improved thermal performance.
Featured resources
- BQ40Z50-R2 – 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0
- BQ25731 – I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support
- BQ2982 – High-side protector for single-cell Li-ion and Li-polymer batteries with 0-V charge disabled
- BQ40Z50EVM-561 – BQ40Z50 evaluation board
- BQ25731EVM – I2C NVDC 1 to 5 cell, 16-A, buck-boost charger controller evaluation module
- BQ2980EVM-883 – bq2980 Single Cell High-side Protector Evaluation Module
- BQSTUDIO – Battery Management Studio (bqStudio) Software
- TI-CHARGER-GUI – GUI software for use with USB2ANY & battery charging evaluation modules
Increase functional-safety and run time in HEV and EV applications with our battery management technology
Benefits:
- Monitors provide ±1mV accuracy and synchronized readings of cell voltages and pack current.
- Gauges offer simple setup configuration and support multiple cell chemistries for easy integration into an e-call system.
Featured resources
- BQ79600-Q1 – Automotive SPI/UART communication interface functional-safety compliant with automatic host wakeup
- BQ34210-Q1 – Automotive Qualified Single cell system-side CEDV fuel gauge
- BQ79600EVM – Functional Safety-Compliant SPI/UART to daisy chain bridge interface with automatic host wake-up
- BQ34210IQ1EVM-826 – bq34210-Q1 Evaluation Module for System Side CEDV Fuel Gauge
Enable a long-lasting and quick-charging battery system in garden and power tool applications with our battery management technology
Benefits:
- Gauges have precise gauging algorithms to ensure the battery's exact state of charge. A chemistry-ID system enables shorter design cycles without sacrificing accuracy.
- Chargers support the entire USB Type-C® Power Delivery spectrum (20V, 5A) and multicell battery packs.
- Monitors offer high-accuracy voltage measurements (±5mV at 25°C) capable of autonomous or host-controlled cell balancing (through I2C, Serial Peripheral Interface or High-Speed Data Queue) for three to 16 cells in series.
- Protectors provide secondary redundant protections when leveraged with our monitors.
Featured resources
- BQ34Z100-R2 – Multichemistry Impedance Track™ stand-alone fuel gauge
- BQ25731 – I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support
- BQ76942 – 3-series to 10-series multicell battery monitor and protector
- BQ34Z100EVM – Bq34z100EVM 1s to 16s Impedance Track Fuel Gauge Battery Evaluation Module | Gas Gauge Battery
- BQ25731EVM – I2C NVDC 1 to 5 cell, 16-A, buck-boost charger controller evaluation module
- BQ76942EVM – 3-series to 10-series Li-ion, Li-polymer and LiFePO4 battery monitor and protector EVM
- BQSTUDIO – Battery Management Studio (bqStudio) Software
- TI-CHARGER-GUI – GUI software for use with USB2ANY & battery charging evaluation modules
Quickly charge devices and prolong use with our battery management technology
Benefits:
- Gauges provide ±1mV gauging accuracy, while cell balancing maximizes battery life spans, enabling longer device use.
- Chargers provide charge current up to 8A with high efficiency using inductorless switch capacitor technology.
- Protectors boast a reduced feature size and power dissipation of approximately 4μA, suitable for small-form-factor products, while offering both primary and secondary protection options.
Featured resources
- BQ27Z746 – Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector
- BQ25970 – I2C 1cell 8A switched cap battery charger for Parallel Charging Application and external OVP support
- BQ2982 – High-side protector for single-cell Li-ion and Li-polymer batteries with 0-V charge disabled
- BQ27Z746EVM-047 – BQ27Z746 evaluation module Impedance Track™ technology battery gas gauge with protection solution
- BQ25970EVM-893 – bq25970 Complete Charger Evaluation Module
- BQ2980EVM-883 – bq2980 Single Cell High-side Protector Evaluation Module
- BQSTUDIO – Battery Management Studio (bqStudio) Software
- TI-CHARGER-GUI – GUI software for use with USB2ANY & battery charging evaluation modules
Create high-accuracy, protected battery systems in ESS applications with our battery management technology
Benefits:
- Monitors offer a reliable and stackable solution for small-scale residential energy storage systems (ESS) and up to grid-scale ESS with high-accuracy voltage measurements (±5mV) for high-voltage battery systems.
- Gauges provide high state-of-health accuracy for vital system reporting. They support multiple cell chemistries and provide end of service for rarely discharged devices.
- Chargers support up to 20A of charge current to quickly recharge backup batteries and handle up to 70V on the output for a wide variety of backup battery configurations.
Featured resources
- BQ34Z100-R2 – Multichemistry Impedance Track™ stand-alone fuel gauge
- BQ25756 – Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT
- BQ79616-Q1 – 16-S automotive precision battery monitor, balancer and integrated protector with ASIL-D compliance
- BQ34Z100EVM – Bq34z100EVM 1s to 16s Impedance Track Fuel Gauge Battery Evaluation Module | Gas Gauge Battery
- BQ25756EVM – BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller
- BQ79616EVM-021 – BQ79616 evaluation module for 16-S precision battery monitor, balancer and integrated protector
- BQSTUDIO – Battery Management Studio (bqStudio) Software
- TI-CHARGER-GUI – GUI software for use with USB2ANY & battery charging evaluation modules
Generate fast-charging, reliable and accurate battery systems in e-mobility applications with our battery management technology
Benefits:
- Gauges offer built-in authentication, preventing unofficial battery packs. A –40°C to 150°C operating temperature range ensures reliability in almost any environment.
- Chargers offer USB Type-C® Power Delivery Extended Power Range capability for up to 240W charging, support for batteries with 10 to 16 cells in series, and bidirectional power flow through (for example) an e-bike battery to charge personal electronics.
- Monitors and protectors for batteries with three to 16 cells in series can be leveraged for redundant protections to meet mobile application safety requirements.
Featured resources
- BQ34Z100-R2 – Multichemistry Impedance Track™ stand-alone fuel gauge
- BQ25756 – Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT
- BQ76952 – 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
- BQ34Z100EVM – Bq34z100EVM 1s to 16s Impedance Track Fuel Gauge Battery Evaluation Module | Gas Gauge Battery
- BQ25756EVM – BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller
- BQ76952EVM – 3-s to 16-s Li-ion, Li-polymer, and LiFePO4 battery monitor and protector evaluation module
- BQSTUDIO – Battery Management Studio (bqStudio) Software
- TI-CHARGER-GUI – GUI software for use with USB2ANY & battery charging evaluation modules
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 (...)
Gauging Parameter Calculator
MathCAD compensated end of discharge voltage (CEDV) tool
Math calculation and simulation tool that helps the battery designer to obtain matching CEDV coefficients for the specific chemistry in the battery pack using one of TI’s CEDV algorithm based fuel gauge. It accepts 3 pairs of log files that can be created by using TI’s bq Smart Battery Builder (...)