The BQ21156RGER is a state-of-the-art battery management solution from Texas Instruments, designed to cater to the demanding needs of modern portable electronics. This compact, integrated circuit is engineered to ensure safe and efficient charging for single-cell lithium-ion or lithium-polymer batteries.

Key Features

• Advanced Charging Algorithm: The device incorporates an advanced charging algorithm that optimizes the charging process for speed and longevity of the battery.
• High Accuracy: With high-accuracy voltage and current regulation, the BQ21156RGER ensures the battery is charged precisely to the desired levels, enhancing the overall battery life.
• Multiple Protection Features: It includes multiple safety features such as overcurrent, overvoltage, short-circuit, and thermal protection to safeguard the battery and the device.
• Power Path Management: The IC supports power path management, allowing the system to be powered directly from the input source while simultaneously charging the battery.
• LED Charge Status Indicator: An integrated LED status indicator provides visual feedback on the charging status, making it user-friendly and intuitive.

Applications

The BQ21156RGER is versatile and can be used across a wide range of applications. It is particularly suited for portable electronics such as smartphones, tablets, digital cameras, and handheld gaming devices, where efficient and reliable battery management is crucial.

Technical Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charge Voltage Regulation: 4.2V (typ.)
• Charge Current Regulation: Up to 3A (configurable)
• Package: 24-Pin VQFN (RGE)
• Operating Temperature Range: -40°C to 85°C

The BQ21156RGER from Texas Instruments is a comprehensive battery management system that combines performance, safety, and ease of use. Its compact form factor and robust feature set make it an ideal choice for designers looking to create efficient, safe, and user-friendly portable electronic devices.