The WT6853A is a highly integrated USB Power Delivery (PD) controller designed for sink devices. It enables devices to negotiate and receive power from USB PD power sources, facilitating fast charging and efficient power management. This controller complies with the latest USB PD specifications and is suitable for a wide range of applications.

Applications

• Smartphones
• Tablets
• Laptops
• Power Banks (as load)
• USB-C Powered Accessories

Features

• USB Power Delivery (PD) 3.0 compliant: Adheres to the latest USB PD standards, ensuring compatibility and optimal power delivery.
• Integrated USB Type-C interface: Simplifies the design process for USB-C ports.
• Programmable Power Supply (PPS) sink support: Optimizes power consumption based on the source capabilities.
• Battery charging support: Supports various battery charging standards.
• Over-voltage protection (OVP): Protects the device from excessive voltage.
• Over-current protection (OCP): Limits the current drawn from the power source to prevent damage.
• Under-voltage protection (UVP): Protects the device from undervoltage conditions.
• Over-temperature protection (OTP): Prevents the device from overheating.
• I2C interface: Allows for easy configuration and monitoring by a microcontroller.
• Compact package: Suitable for space-constrained applications.

Benefits

• Fast Charging: Enables rapid charging of compatible devices.
• Universal Compatibility: Supports a wide range of USB PD-enabled power sources.
• Enhanced Safety: Comprehensive protection features safeguard the device.
• Improved Efficiency: Optimizes power consumption based on the power source capabilities.
• Simplified Design: Integrated features reduce the number of external components required.
• Lower System Cost: Integration lowers the overall bill of materials cost.

The WT6853A provides a reliable and efficient solution for implementing USB Power Delivery in sink devices. Its comprehensive feature set, including PPS sink support and multiple protection mechanisms, ensures safe and optimized power consumption. Its compliance with USB PD 3.0 guarantees compatibility with the latest USB-C power sources. This controller represents a key component in modern fast-charging devices.