Texas Instruments

BQ25619ERTWR

The BQ25619ERTWR is a highly integrated, high efficiency, step-down (buck) battery charge management IC from Texas Instruments. It is designed to provide a complete charging solution for single-cell lithium-ion and lithium-polymer batteries, with a wide range of input voltages.

Description:

The BQ25619ERTWR is a highly integrated step-down battery charge management IC that provides a complete charging solution for single-cell lithium-ion and lithium-polymer batteries. It is designed to operate with a wide range of input voltages, making it suitable for use in a variety of applications.

Features:

• High efficiency: The BQ25619ERTWR is designed to provide high efficiency charging, with an efficiency of up to 93%.
• Wide input voltage range: The device can operate with input voltages from 3.9V to 24V, making it suitable for use in a wide range of applications.
• Precise current and voltage regulation: The BQ25619ERTWR provides precise regulation of the charging current and voltage, ensuring safe and efficient charging of the battery.
• I2C programmability: The device can be programmed via an I2C interface, allowing for easy customization of the charging parameters.
• Thermal management: The BQ25619ERTWR includes thermal protection and current foldback features to protect the device and the battery from overheating.

Applications:

The BQ25619ERTWR is suitable for use in a wide range of applications that require efficient and precise battery charging, including:

• Portable electronics: Smartphones, tablets, and other portable devices that use single-cell lithium-ion or lithium-polymer batteries.
• Power banks: Devices that provide portable power to charge other devices.
• Medical devices: Devices that require reliable and efficient battery charging.
• Industrial equipment: Equipment that requires efficient and precise battery charging.

In summary, the BQ25619ERTWR is a highly integrated, high efficiency, step-down battery charge management IC that provides a complete charging solution for single-cell lithium-ion and lithium-polymer batteries. It is designed to operate with a wide range of input voltages and provides precise regulation of the charging current and voltage, making it suitable for use in a variety of applications.