The BQ24078RGTR is a sophisticated and highly integrated battery charge management IC designed by Texas Instruments (TI), a leader in semiconductor solutions. This compact, single-cell lithium-ion battery charger is tailored for portable applications and is packed in a small 16-pin VQFN package, which makes it an excellent choice for space-constrained designs.

Key Features

• Charge Management: The BQ24078RGTR provides a complete charge management solution with automatic charge rate detection and selection, ensuring optimal charging for various battery sizes and conditions.
• Power Path Management: With integrated power path management, the device allows the system to be powered from the USB port or adapter while simultaneously charging the battery, ensuring uninterrupted operation of the device even when the battery is depleted.
• High Efficiency: The charger is designed for high efficiency, which minimizes heat generation and improves overall system performance.
• Programmable Charging Parameters: The BQ24078RGTR allows for programmable charge current, pre-charge current, and termination current threshold, providing flexibility to work with a variety of battery sizes and chemistries.
• Thermal Regulation: To ensure safe operation, the device features thermal regulation that reduces charge current if the IC temperature exceeds a specified threshold.

Applications

The BQ24078RGTR is ideal for a wide array of portable applications, such as:

• Smartphones and tablets
• Portable media players
• Handheld gaming devices
• Wearable technology
• Portable medical devices

Technical Specifications

• Input Voltage Range: 4.35V to 6.5V
• Charge Current: Programmable up to 1.5 A
• Battery Voltage: 4.2V (default), adjustable via external resistors
• Operating Temperature: -40°C to +85°C
• Package: 16-pin VQFN (3.5mm x 3.5mm)

With its advanced charge control features, high integration, and compact form factor, the BQ24078RGTR from Texas Instruments is an excellent choice for designers looking to implement a reliable and efficient battery charging solution in their portable electronic devices.