Introducing the BQ24079RGTT Battery Charger from Texas Instruments

The BQ24079RGTT is a highly integrated and efficient lithium-ion and lithium-polymer linear battery charger designed by Texas Instruments (TI) to streamline power management in portable devices. This advanced charger IC is tailored for a wide range of applications, including smartphones, tablets, digital cameras, and other USB-powered gadgets.

Key Features

• Input Voltage Range: The BQ24079RGTT operates efficiently with an input voltage range from 4.35V to 6.2V, making it versatile for various USB power sources, including standard USB, USB OTG, or dedicated AC-DC power supplies.
• Programmable Charging Parameters: It offers programmable charge parameters such as pre-charge and fast-charge currents, termination currents, and charge voltage, which can be set to match specific battery chemistry and capacity requirements, ensuring optimal charging for your device's battery.
• High Accuracy: The charging voltage is regulated to within ±1%, and the charge current can be programmed up to 1.5A, providing precise control over the charging process to maximize battery life and performance.
• Thermal Regulation: This feature helps prevent overheating by automatically reducing charge current under high temperature conditions, ensuring safe operation and extending the longevity of both the charger and the battery.
• Charge Status Indicators: The IC includes status outputs that can be used to drive LEDs or communicate with a host processor to indicate the charging progress and completion.
• Power Path Management: The BQ24079RGTT supports power path management, which allows the system to be powered from the USB port while simultaneously and independently charging the battery.
• Protection Features: It incorporates multiple safety features, including over-voltage protection, under-voltage lockout, short-circuit protection, and thermal shutdown, providing a robust charging solution.

Compact and Power-Efficient Design

The BQ24079RGTT comes in a compact 16-pin QFN package that is both space-efficient and power-efficient, making it an ideal choice for portable applications where space is at a premium. Its small footprint and low thermal resistance allow for easy integration into system designs.

With its advanced features and comprehensive protection mechanisms, the BQ24079RGTT by Texas Instruments stands out as a leading solution for modern battery charging needs, offering reliability and flexibility for designers and consumers alike.