Texas Instruments

BQ771800DPJR

The BQ771800DPJR is a highly integrated fuel gauge chip manufactured by Texas Instruments. It is designed to provide accurate and reliable battery monitoring and protection for a wide range of applications, including portable electronics, wearable devices, and IoT devices.

Description:

The BQ771800DPJR is a system-on-chip (SoC) solution that integrates a microcontroller, a fuel gauge, and a power management unit (PMU) into a single device. It features a 24-bit analog-to-digital converter (ADC) for high-resolution battery monitoring, as well as a variety of protection features to ensure safe and reliable operation.

Features:

1. High-precision fuel gauge: The BQ771800DPJR provides accurate and reliable battery monitoring, including state-of-charge (SoC), state-of-health (SoH), and remaining battery capacity.
2. Integrated microcontroller: The device features an integrated microcontroller that enables custom programming and control of the fuel gauge and PMU functions.
3. Power management: The BQ771800DPJR includes a PMU that provides power sequencing, power path management, and power distribution for various system components.
4. Protection features: The device includes over-voltage, over-current, short-circuit, and thermal protection to ensure safe and reliable operation.
5. Small form factor: The BQ771800DPJR is available in a compact 32-pin package, making it suitable for space-constrained applications.

Applications:

The BQ771800DPJR is suitable for a wide range of applications that require accurate battery monitoring and protection, including:

1. Portable electronics: Smartphones, tablets, and laptops
2. Wearable devices: Fitness trackers, smartwatches, and hearables
3. IoT devices: Smart home devices, industrial IoT devices, and medical devices
4. Battery packs: Portable power banks, drones, and electric vehicles

In summary, the BQ771800DPJR is a highly integrated fuel gauge chip that provides accurate and reliable battery monitoring and protection for a wide range of applications. Its compact form factor and integrated microcontroller make it an ideal solution for space-constrained applications that require custom programming and control.