Texas Instruments

BQ29702DSER

The BQ29702DSER is a high-precision, multi-chemistry system-on-chip (SoC) fuel gauge for lithium-ion batteries. It is designed to provide accurate and reliable battery monitoring and protection in a wide range of applications, including portable electronics, wearable devices, and IoT devices.

Description:

The BQ29702DSER is a highly integrated fuel gauge solution that combines a microcontroller, a high-precision ADC, and a power management unit in a single chip. It is designed to provide accurate and reliable battery monitoring and protection in a compact package.

Features:

1. Multi-chemistry support: The BQ29702DSER supports a wide range of battery chemistries, including lithium-ion, lithium-polymer, and lithium-iron-phosphate.
2. High-precision ADC: The BQ29702DSER features a high-resolution ADC that provides accurate measurements of battery voltage, current, and temperature.
3. Smart battery compliance: The device is compliant with the smart battery data specification, allowing it to communicate with a host microcontroller or other smart battery-compatible devices.
4. Integrated protection features: The BQ29702DSER includes integrated overcharge, over-discharge, and over-current protection features to protect the battery from damage.
5. Small form factor: The device is available in a compact 16-pin package, making it ideal for space-constrained applications.

Applications:

The BQ29702DSER 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 health monitoring devices
3. IoT devices: Smart home devices, industrial sensors, and remote monitoring systems
4. Medical devices: Portable medical equipment, wearable health monitors, and hearing aids
5. Consumer electronics: Portable speakers, headphones, and gaming controllers

Overall, the BQ29702DSER is a highly versatile and reliable fuel gauge solution that provides accurate battery monitoring and protection in a compact package, making it ideal for a wide range of applications.