Texas Instruments

BQ771817DPJR

The BQ771817DPJR is a highly integrated fuel gauge chip manufactured by Texas Instruments. This chip is designed to provide accurate and reliable battery monitoring and protection for various applications, including portable devices, wearables, and IoT devices.

Description:

The BQ771817DPJR is a system-on-chip (SoC) solution that integrates a fuel gauge, battery protection, and system power management into a single device. It is available in a compact 24-ball WLCSP (Wafer Level Chip Scale Package) package, making it suitable for space-constrained applications.

Features:

1. High-precision fuel gauge: The BQ771817DPJR provides accurate measurements of battery voltage, current, and temperature, allowing for precise estimation of the remaining battery capacity.
2. Battery protection: The chip includes overcharge, over-discharge, over-current, and short-circuit protection features to safeguard the battery from damage.
3. System power management: The BQ771817DPJR can manage the power distribution to various system components, including linear regulators, buck converters, and load switches.
4. I2C and SPI interfaces: The chip supports both I2C and SPI communication interfaces, providing flexibility in system integration.
5. Low power consumption: The BQ771817DPJR is designed for low power consumption, making it suitable for battery-powered applications.
6. Small form factor: The compact WLCSP package allows for easy integration into portable devices and wearables.

Applications:

1. Portable devices: The BQ771817DPJR can be used in smartphones, tablets, and other portable devices to provide accurate battery monitoring and protection.
2. Wearables: The chip is suitable for fitness trackers, smartwatches, and other wearable devices that require precise battery monitoring and protection.
3. IoT devices: The BQ771817DPJR can be used in IoT devices such as smart home appliances, sensors, and gateways to ensure reliable battery monitoring and protection.
4. Medical devices: The chip can be used in battery-powered medical devices, such as hearing aids and portable medical instruments, to provide accurate battery monitoring and protection.
5. Industrial equipment: The BQ771817DPJR can be used in industrial equipment that requires precise battery monitoring and protection, such as portable power tools and measurement instruments.