BQ24192IRGET Integrated Circuits (ICs)

Introduction

The BQ24192I charge management IC from Texas Instruments is one of the most advanced battery charging ICs available today. It is designed to provide complete, highly integrated battery charging functionality for portable electronic devices, such as laptops, cellular phones, music players, and digital cameras. The BQ24192I is a linear/switched-mode solution that provides a flexible, cost-effective and user-friendly charging solution that is fully compliant with the USB Battery Charging Specification. It offers excellent performance, accuracy, and a wide input voltage range.

Features of BQ24192I

The Texas Instruments BQ24192I is an integrated Li-Ion battery charger designed to simplify and speed up design, making it ideal for cost-sensitive consumer and industrial applications. Its features include:

• Flexible, programmable inputs designed for USB and wall adapter power sources
• High accuracy and precision analog-to-digital converters for monitoring battery, system and safety parameters
• Integrated pass transistor and External MOSFET drivers
• Integrated Accessory Detection, Over-Temperature Protection and Over-Voltage Protection
• Comprehensive report on battery health and charging current

Application Field and Working Principle

The BQ24192I is a battery charger management IC designed for use in portable electronic devices. It is capable of charging Li-Ion/Polymer batteries with internal protection circuits and providing a wide input voltage range from 4.5V to 26V. The BQ24192I is especially suited for use in applications that require USB or wall adapter charging capabilities.

The BQ24192I operates in a buck or boost topology using a linear or switched-mode technique, depending on the application. In the buck topology, the input voltage is decreased to a fixed output voltage, while in the boost topology the input voltage is increased until it reaches the desired output voltage. This allows the BQ24192I to be used in a variety of battery charging applications, including laptops, cell phones, music players, and digital cameras.

The BQ24192I battery charger IC has several safety features built-in. It is equipped with an integrated Accessory Detection feature that monitors the external power source and shuts off the charging process if it detects a short in the power source. It also includes Over-Temperature Protection and Over-Voltage Protection, protecting the device and battery from potential damage caused by excessive charging current or voltage.

Conclusion

The BQ24192I is a highly integrated and cost-effective battery charging IC from Texas Instruments that enables designers to quickly and easily add power management capabilities to their designs. Its simple yet robust architecture, along with its comprehensive safety features, make it ideal for use in cost-sensitive consumer and industrial applications.