BQ24090DGQR

The BQ24090DGQR is a highly integrated, single-chip, constant current/constant voltage step-down battery charger with a system power path management controller from Texas Instruments. It is designed to provide a complete charging solution for single-cell lithium-ion batteries, with features that include: 1. Description: The BQ24090DGQR is a compact, low-profile, and energy-efficient solution for charging and power management in portable devices. It integrates a power MOSFET and a high-efficiency synchronous step-down converter, making it suitable for a wide range of applications. 2. Features: - Constant current/constant voltage charging for single-cell lithium-ion batteries - Integrated power MOSFET for high efficiency - Synchronous step-down converter for system power management - Input current limit protection - Thermal shutdown protection - Charge termination based on battery temperature, voltage, or timer - Programmable charging current and voltage - I2C communication interface for system integration and control - Small package size (QFN-20) 3. Applications: The BQ24090DGQR is suitable for a variety of applications that require efficient and reliable charging and power management, including: - Portable electronic devices (e.g., smartphones, tablets, wearables) - IoT devices (e.g., smart home devices, sensors) - Wireless communication devices (e.g., routers, access points) - Medical devices (e.g., portable monitoring equipment) - Consumer electronics (e.g., portable media players, cameras) By integrating charging and power management functions into a single chip, the BQ24090DGQR can help simplify the design of portable electronic devices and reduce overall system cost and complexity.