Texas Instruments

BQ3050DBTR

The BQ3050DBTR is a high-precision, fully integrated battery charge controller from Texas Instruments (TI) designed for single-cell lithium-ion and lithium-polymer battery systems. It is part of TI's broad portfolio of battery management solutions that cater to various applications and requirements.

Description:

The BQ3050DBTR is a compact, high-performance battery charge controller that offers a comprehensive solution for managing the charging process of single-cell lithium-ion and lithium-polymer batteries. It is available in a 20-pin, 3mm x 5mm, RoHS-compliant, thermally-enhanced TSSOP package.

Features:

1. Constant current/constant voltage (CC/CV) charging profile for lithium-ion and lithium-polymer batteries.
2. Integrated microcontroller with advanced charge termination and status monitoring.
3. I2C and SMBus communication interfaces for system integration and configuration.
4. High-precision fuel gauge with state-of-charge (SoC) and state-of-health (SoH) estimation.
5. Battery temperature monitoring with an external thermistor.
6. Overcharge, over-discharge, over-current, and short-circuit protection.
7. Charge status and fault indicators for easy system integration.
8. Programmable charging parameters and alerts for customization.
9. Low quiescent current for extended battery life.
10. Wide input voltage range (4.5V to 5.5V) for compatibility with various power sources.

Applications:

The BQ3050DBTR is suitable for a wide range of applications that require precise and efficient battery charging, including:

1. Portable electronic devices: Smartphones, tablets, wearables, and other handheld gadgets.
2. Wireless communication devices: Bluetooth headsets, wireless keyboards, and IoT devices.
3. Medical devices: Portable medical equipment and wearable health monitors.
4. Consumer electronics: Portable speakers, GPS devices, and digital cameras.
5. Industrial equipment: Portable data loggers, handheld scanners, and remote monitoring systems.
6. Energy harvesting systems: For charging batteries using solar panels or other energy sources.

The BQ3050DBTR's advanced features, compact form factor, and versatile charging capabilities make it an ideal choice for designers looking to implement a reliable and efficient battery charging solution in their products.