Texas Instruments

BQ24092DGQR

The BQ24092DGQR is a highly integrated, single-cell lithium-ion (Li-ion) and lithium-polymer (Li-poly) battery charger with USB input from Texas Instruments (TI). It is designed to provide a compact and efficient solution for charging single-cell Li-ion or Li-poly batteries in various applications.

Description:

The BQ24092DGQR is a member of TI's family of battery chargers, specifically designed for single-cell Li-ion and Li-poly applications. It is available in a compact 20-pin, 3mm x 3mm WQFN package, making it suitable for space-constrained designs.

Features:

1. Constant current/constant voltage (CC/CV) charging with programmable charge voltage and current.
2. USB input with auto detection of USB port or non-USB source.
3. I2C programmability for advanced control and monitoring.
4. Thermal regulation and thermal shutdown for safe operation.
5. Charge status and fault status indicators for easy integration.
6. Battery presence detection and under-voltage lockout (UVLO) for safety.
7. Power path management for system power optimization.
8. Low quiescent current for energy-efficient operation.
9. Small footprint with a 3mm x 3mm WQFN package.

Applications:

1. Portable electronic devices, such as smartphones, tablets, and wearables.
2. IoT devices, including smart home devices and wireless sensors.
3. Bluetooth headsets and wireless audio devices.
4. Healthcare devices, such as fitness trackers and medical monitors.
5. Consumer electronics, including portable gaming devices and e-readers.
6. Industrial applications, such as portable data loggers and handheld instruments.

The BQ24092DGQR offers a highly integrated solution for charging single-cell Li-ion and Li-poly batteries, making it suitable for a wide range of applications where space and efficiency are critical factors. Its programmability and I2C interface allow for easy integration and customization, while its safety features ensure reliable and safe operation.