Li-ion Battery Monitoring Balancing IC


Li-ion Battery Monitoring Balancing IC

Manufacturer

Part #

Category

Infineon Technologies TLE9018DQK Power

Description

The Infineon TLE9018DQK Li-ion Battery Monitoring and Balancing IC monitors the temperature of a battery system and the voltage of each cell to ensure the function and safety of the vehicle occupants. It features a dedicated 16-bit delta-sigma ADC for each battery cell and can monitor up to 18 battery cells in series. The IC is compliant with AEC-Q100 and ISO 26262 up to ASIL D, making it suitable for automotive applications.

Infineon TLE9018DQK Li-ion Battery Monitoring Balancing IC

Introduction

The Infineon TLE9018DQK is a sophisticated Li-ion battery monitoring and balancing integrated circuit (IC) designed to enhance the safety and functionality of battery systems in automotive applications. With its advanced features, this IC ensures optimal performance and reliability for electric vehicles and energy storage systems.

Part Description

The TLE9018DQK monitors the temperature and voltage of each cell in a battery system, supporting up to 18 cells in series. It is equipped with a dedicated 16-bit delta-sigma ADC for precise measurements, ensuring compliance with AEC-Q100 and ISO 26262 up to ASIL D. This IC is designed for robust automotive applications, featuring a maximum voltage rating of 120V and various safety mechanisms, including automatic balancing, open load detection, and temperature monitoring. The device also supports high-speed communication through its galvanically isolated serial interface, making it suitable for complex battery management systems.

Infineon TLE9018DQK

Applications

  • Multi-cell battery monitoring and balancing systems
  • Li-ion battery packs for hybrid electric vehicles (HEV)
  • Plug-in hybrid electric vehicles (PHEV)
  • Battery electric vehicles (BEV)
  • 12V Li-ion batteries
  • Energy storage systems

Industries

  • Automotive
  • Renewable energy
  • Electric vehicle manufacturing
  • Battery technology
  • Energy management systems

Usage Ideas

  1. Electric Vehicle Battery Management: Implement the TLE9018DQK in a custom battery management system for an electric vehicle, ensuring accurate monitoring and balancing of the battery cells to enhance performance and safety.

  2. Energy Storage Solutions: Design a residential energy storage system using the TLE9018DQK to monitor and balance multiple Li-ion battery packs, optimizing energy usage and extending battery life.

  3. Hybrid Vehicle Development: Utilize the TLE9018DQK in the development of a prototype hybrid vehicle, integrating its monitoring capabilities to ensure the safety and efficiency of the vehicle's battery system.

Conclusion

The Infineon TLE9018DQK Li-ion Battery Monitoring and Balancing IC is a critical component for modern battery management systems, particularly in automotive and energy storage applications. Its advanced features, safety compliance, and robust design make it an ideal choice for engineers and developers looking to enhance battery performance and safety in their projects.