Texas Instruments

BQ24155RGYR

The BQ24155RGYR is a highly integrated, high efficiency, single-cell linear charger with USB and power path management from Texas Instruments. It is designed to provide a compact and efficient solution for charging single-cell lithium-ion batteries.

Description:

The BQ24155RGYR is a monolithic, high-efficiency, single-cell linear battery charger with 5-V USB power input and power-path management. It integrates a high-efficiency step-down converter with a high-voltage linear charger, providing a complete power management solution for a wide range of applications.

Features:

• High efficiency: The BQ24155RGYR offers high efficiency charging with a typical efficiency of up to 93%.
• Integrated step-down converter: The device includes a high-efficiency step-down converter that can provide a regulated output voltage to power the system while charging the battery.
• Power path management: The BQ24155RGYR includes power path management that allows the device to efficiently manage power from both the USB input and the battery.
• Wide input voltage range: The device can operate from a wide input voltage range of 3.5V to 24V, making it suitable for a variety of applications.
• Programmable charging current: The charging current can be programmed using an external resistor, allowing for customization of the charging profile.
• Thermal regulation: The device includes thermal regulation to protect against over-temperature conditions.

Applications:

The BQ24155RGYR is suitable for a wide range of applications that require efficient and compact power management solutions. Some of the key applications include:

1. Portable devices: The BQ24155RGYR is ideal for use in portable devices such as smartphones, tablets, and wearables that require efficient and compact charging solutions.
2. Power banks: The device can be used in power banks to provide efficient charging and power management for USB-powered devices.
3. IoT devices: The BQ24155RGYR is suitable for use in IoT devices that require efficient power management and charging solutions.
4. Medical devices: The device can be used in medical devices that require efficient and reliable power management solutions.
5. Industrial equipment: The BQ24155RGYR can be used in industrial equipment that requires efficient power management and charging solutions.

Overall, the BQ24155RGYR from Texas Instruments is a highly integrated, high efficiency, single-cell linear charger with USB and power path management that offers a compact and efficient solution for charging single-cell lithium-ion batteries. Its high efficiency, integrated step-down converter, power path management, and wide input voltage range make it suitable for a wide range of applications.