Battery management ICs

Infineon’s battery management ICs offer an optimized solution for cell monitoring and balancing

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Overview

Battery management systems for lithium-ion cells require monitoring of voltage, current, and temperature to determine state of charge and health. Accurate cell voltage measurement ensures safe operation and compliance with functional safety requirements, critical for functions like cell balancing. Infineon’s dedicated battery management ICs provide a comprehensive monitoring and balancing solution for various applications.

Key Features

  • Enabling lowest system cost
  • Benchmark accuracy measurements
  • Precise 16-bit Delta-Sigma ADC
  • Parallel ADC architecture
  • Ultra-fast & synched cell readout
  • Built-in digital filters
  • High noise immunity
  • Embedded fault detection
  • Iso-UART for robust communication
  • Industry-benchmark quality
  • Supports up to ASIL D safety levels
  • Compact footprint for lean design

Products

About

Battery management ICs designed for safety-relevant applications

Battery management systems (BMS) monitor and control batteries in various applications. They are used in automotive, industrial, and consumer applications, providing efficient and safe battery power. This includes electric cars, trucks, e-bikes and non-road vehicles, as well as machinery like forklifts.

As a leader in battery management technology, we develop devices to meet customer demands and 21st-century challenges. Our integrated circuits and designs enable efficient battery management system layout for voltage and temperature sensing, balancing, and communication. Our battery management ICs meet safety requirements up to ASIL-D and are ISO 26262-compliant, fitting seamlessly into full system solutions for BMS, including hardware and software, with a focus on safety and functionality.

BMS
“Longevity” for Automotive Smart Power products
Complex Device Driver BMS

Li-ion battery monitoring and balancing IC

This advanced integrated circuit (IC) is specifically designed for monitoring and balancing up to 9 cells in Lithium-ion (Li-ion) battery packs, which are widely used in various industries such as automotive, industrial, and consumer products. The IC performs four primary functions: measuring cell voltage, monitoring temperature, balancing individual cells, and facilitating isolated communication with the main battery controller. Furthermore, this Battery Management IC is equipped with diagnostic tools that ensure the safety of individuals in close proximity to the controlled battery.

TLE9009DQU

Li-ion battery monitoring and balancing IC

This multi-channel battery monitoring and balancing system IC is designed for Lithium-ion battery packs used in various applications across automotive, industrial, and consumer products. The module fulfills four main functions including cell voltage measurement, temperature measurement, cell balancing, and isolated communication to the main battery controller. Additionally, there are the necessary diagnosis tools to ensure proper function guaranteeing the safety of the persons around the controlled battery.

TLE9012DQU
TLE9012DQU Complex Device Driver

TLE9016DQU Monitoring & Balancing IC

This balancing and monitoring IC monitors up to 16 channels in lithium-ion battery packs. The IC's main functions consist of measuring cell voltage, monitoring temperature, balancing cells, and enabling isolated communication with the main battery controller. To ensure safe operation, the IC is equipped with a range of diagnostic tools to account for the safety needs of individuals around the managed battery.

TLE9016DQK

iso-UART battery monitoring transceiver IC

This multi-channel IC for battery monitoring and balancing is engineered to monitor up to 18 channels in Lithium-ion battery packs utilized in diverse automotive, industrial, and consumer applications. The module performs four primary roles: measuring cell voltage, assessing temperature, balancing cells, and facilitating isolated communication with the main battery controller. Moreover, it includes essential diagnostic tools to ensure proper operation, safeguarding the individuals around the managed battery.

TLE9015DQU

Find information relating to the planned long-term availability of semiconductor products “Longevity” for Automotive Smart Power products.

Battery management ICs designed for safety-relevant applications

Battery management systems (BMS) monitor and control batteries in various applications. They are used in automotive, industrial, and consumer applications, providing efficient and safe battery power. This includes electric cars, trucks, e-bikes and non-road vehicles, as well as machinery like forklifts.

As a leader in battery management technology, we develop devices to meet customer demands and 21st-century challenges. Our integrated circuits and designs enable efficient battery management system layout for voltage and temperature sensing, balancing, and communication. Our battery management ICs meet safety requirements up to ASIL-D and are ISO 26262-compliant, fitting seamlessly into full system solutions for BMS, including hardware and software, with a focus on safety and functionality.

BMS
“Longevity” for Automotive Smart Power products
Complex Device Driver BMS

Li-ion battery monitoring and balancing IC

This advanced integrated circuit (IC) is specifically designed for monitoring and balancing up to 9 cells in Lithium-ion (Li-ion) battery packs, which are widely used in various industries such as automotive, industrial, and consumer products. The IC performs four primary functions: measuring cell voltage, monitoring temperature, balancing individual cells, and facilitating isolated communication with the main battery controller. Furthermore, this Battery Management IC is equipped with diagnostic tools that ensure the safety of individuals in close proximity to the controlled battery.

TLE9009DQU

Li-ion battery monitoring and balancing IC

This multi-channel battery monitoring and balancing system IC is designed for Lithium-ion battery packs used in various applications across automotive, industrial, and consumer products. The module fulfills four main functions including cell voltage measurement, temperature measurement, cell balancing, and isolated communication to the main battery controller. Additionally, there are the necessary diagnosis tools to ensure proper function guaranteeing the safety of the persons around the controlled battery.

TLE9012DQU
TLE9012DQU Complex Device Driver

TLE9016DQU Monitoring & Balancing IC

This balancing and monitoring IC monitors up to 16 channels in lithium-ion battery packs. The IC's main functions consist of measuring cell voltage, monitoring temperature, balancing cells, and enabling isolated communication with the main battery controller. To ensure safe operation, the IC is equipped with a range of diagnostic tools to account for the safety needs of individuals around the managed battery.

TLE9016DQK

iso-UART battery monitoring transceiver IC

This multi-channel IC for battery monitoring and balancing is engineered to monitor up to 18 channels in Lithium-ion battery packs utilized in diverse automotive, industrial, and consumer applications. The module performs four primary roles: measuring cell voltage, assessing temperature, balancing cells, and facilitating isolated communication with the main battery controller. Moreover, it includes essential diagnostic tools to ensure proper operation, safeguarding the individuals around the managed battery.

TLE9015DQU

Find information relating to the planned long-term availability of semiconductor products “Longevity” for Automotive Smart Power products.

Documents

Documents

Design resources

Developer community

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