Texas Instruments

BQ76942PFBR  

Battery Management ICs

The BQ76942PFBR is a highly integrated battery fuel gauge and system management controller from Texas Instruments. This device is designed to provide accurate battery monitoring and protection for lithium-ion and lithium-polymer batteries in various applications.

Description:

The BQ76942PFBR is a system-on-chip (SoC) solution that combines a fuel gauge, battery management, and system management functions into a single device. It features an integrated 12-bit ADC, temperature sensors, and multiple protection circuits to ensure safe and efficient battery operation.

Features:

1. High-accuracy fuel gauge: The BQ76942PFBR provides precise state-of-charge (SoC) and state-of-health (SoH) measurements for lithium-ion and lithium-polymer batteries.
2. Integrated 12-bit ADC: The device includes a 12-bit ADC for accurate voltage, current, and temperature measurements.
3. Temperature monitoring: The BQ76942PFBR features two temperature sensors to monitor the battery pack and the device's temperature.
4. Multiple protection features: The device offers overcharge, over-discharge, over-current, short-circuit, and thermal protection to ensure safe battery operation.
5. I2C and SPI communication interfaces: The BQ76942PFBR supports both I2C and SPI communication protocols for easy integration with microcontrollers and other system components.
6. Small form factor: The device is available in a compact 40-pin QFN package, making it suitable for space-constrained applications.

Applications:

1. Portable electronic devices: The BQ76942PFBR is ideal for use in smartphones, tablets, and other portable electronics that require accurate battery monitoring and protection.
2. Laptops and notebooks: The device can be used in laptop and notebook computers to provide accurate battery monitoring and protection.
3. Medical devices: The BQ76942PFBR can be used in medical devices that require precise battery monitoring and protection, such as wearable health monitors and portable medical equipment.
4. Industrial equipment: The device is suitable for use in industrial equipment that relies on lithium-ion or lithium-polymer batteries, such as robotics, unmanned vehicles, and power tools.
5. Renewable energy systems: The BQ76942PFBR can be used in battery management systems for renewable energy applications, such as solar panels and wind turbines.

In summary, the BQ76942PFBR from Texas Instruments is a highly integrated battery fuel gauge and system management controller designed for accurate battery monitoring and protection in various applications. Its features, such as high-accuracy fuel gauge, integrated 12-bit ADC, temperature monitoring, and multiple protection features, make it suitable for a wide range of applications, including portable electronic devices, laptops, medical devices, industrial equipment, and renewable energy systems.

BQ76942PFBR Documents

Download datasheets and manufacturer documentation for BQ76942PFBR

Datasheets :

BQ76942      

HTML Datasheet :

BQ76942      

PCN Design/Specification :

BQ76942 22/Feb/2021