WB8809: Highly Integrated IC Solution for Bluetooth TWS Earbud Charging Cases

WB8809 is a highly integrated IC specifically designed for Bluetooth TWS earbud charging cases. It integrates both charging and discharging modules, providing a comprehensive charging management solution.

• NVDC Charging Module: Sets charging current via I2C, ensuring efficient and stable charging performance.
• Adjustable Output Voltage: The discharging module supports I2C-adjustable output voltage, integrates dual output current limit switches, and features independent load detection, load insertion detection, and current detection functions.
• NTC Protection: Built-in NTC protection ensures safe charging and discharging of the battery.
• I2C and Interrupt Interface: Integrates standard I2C interface and interrupt functionality for communication with the MCU to control charging and discharging.
• High-Speed Communication Port: Provides high-speed communication between the MCU and earbuds, optimizing user experience.

The high integration design of WB8809 is ideal for Bluetooth earbud charging cases, significantly simplifying peripheral circuits and components, and offering an easy-to-use solution. Its QFN4*4-24 package design ensures device miniaturization and performance optimization.