BQ2954

Li - Ion battery chargers and controllers

Manufacturer: ['analog-devices', 'rochester', 'ti', 'benchmarq']

series introduction

The BQ2954 Series is an advanced battery monitor and protection integrated circuit, meticulously engineered for high-performance battery management systems in various applications. This series stands out for its robust features, including precise voltage monitoring, temperature sensing, and extensive safety mechanisms, making it an ideal choice for lithium-ion and lithium-polymer battery packs. The BQ2954 employs a high-speed, 16-bit delta-sigma ADC (Analog-to-Digital Converter) for accurate measurement of individual cell voltages, enhancing the overall reliability and efficiency of the battery management system.

Designed with flexibility in mind, the BQ2954 Series supports multiple cell configurations, accommodating up to 16 cells in series. This versatility allows it to cater to a wide range of applications, from consumer electronics like smartphones and tablets to larger systems such as electric vehicles and renewable energy storage solutions. The device is equipped with advanced features such as cell balancing, overvoltage, undervoltage, and overcurrent protection, ensuring the safety and longevity of the battery pack under various operating conditions.

In addition to its protective capabilities, the BQ2954 Series offers integrated temperature monitoring through external thermistors, providing real-time data to optimize battery performance and prevent thermal runaway scenarios. The device's design incorporates a low-power sleep mode, significantly reducing energy consumption during idle periods, which is crucial for extending battery life in portable applications.

Typical applications for the BQ2954 Series include electric bicycles, power tools, and uninterruptible power supplies (UPS). Its ability to accurately monitor and manage battery health makes it indispensable for systems where performance and safety are paramount. Overall, the BQ2954 Series exemplifies innovation in battery management technology, combining precision, reliability, and efficiency to meet the demands of modern energy solutions.

Images for reference

16-DIP SOT38-1

16-DIP SOT38-1

16-Dip

16-Dip

16 SOIC

16 SOIC

Datasheets

Partlist

BQ2954PN
BQ2954PNE4
BQ2954PNG4
BQ2954SN
BQ2954SNG4
BQ2954SNTR
BQ2954SNTRG4