Product Overview: BQ24161RGET by Texas Instruments

The BQ24161RGET is a highly integrated power management IC designed by Texas Instruments, specifically tailored for portable applications. This compact, efficient, and versatile device is a single-cell Li-ion battery charger that can operate from either a USB port or an AC adapter.

Key Features

• Input Voltage Range: The device supports a wide range of input voltages, typically from 4.5 V to 17 V, making it suitable for various power sources.
• Charge Current: It offers programmable charge current up to 2.5 A, allowing for fast charging capabilities for devices with larger battery capacities.
• Integrated Power FETs: High-efficiency power FETs are integrated into the device, which helps in reducing the external component count and overall solution size.
• Charge Status Indicators: The BQ24161RGET provides status indications through I2C interface for charge progress, completion, and fault conditions.
• Thermal Regulation: To ensure safety, the device incorporates a thermal regulation mechanism that reduces charge current under extreme temperature conditions.
• High Accuracy: The charging voltage is regulated with high accuracy, ensuring the battery is charged safely and efficiently.
• Power Path Management: It supports power path management, which allows the system to be powered from the AC adapter while simultaneously charging the battery.

Applications

The BQ24161RGET is ideal for a range of portable devices, including smartphones, tablets, digital cameras, and other USB charging devices. Its flexibility and high level of integration make it a go-to solution for designers looking to optimize power management in compact, battery-powered products.

Package and Availability

Offered in a 24-pin VQFN package, the BQ24161RGET is designed for space-constrained applications. It is available for order from Texas Instruments and authorized distributors, ensuring reliable supply and support.