The Weltrend WT8875 is a highly integrated USB Type-C Power Delivery (PD) controller designed for USB PD chargers and adapters. It supports Programmable Power Supply (PPS) and includes comprehensive protection features to ensure safe and efficient power delivery. This controller is compliant with the latest USB PD specifications, making it suitable for a variety of applications.
Applications
- USB PD Chargers
- Power Adapters for Laptops
- Power Adapters for Mobile Devices
- Power Banks
- Wall Chargers
Features
- USB Type-C and Power Delivery (PD) Compliance: Compliant with USB Type-C and USB PD specifications, ensuring broad compatibility.
- Programmable Power Supply (PPS) Support: Supports PPS for fine-grained voltage and current control, enabling optimized charging.
- Integrated Microcontroller: Built-in microcontroller for managing PD protocols and custom functions.
- Over-Voltage Protection (OVP): Protects devices from over-voltage conditions.
- Over-Current Protection (OCP): Prevents damage from excessive current draw.
- Short-Circuit Protection (SCP): Protects against short circuits, ensuring safety.
- Over-Temperature Protection (OTP): Shuts down the device to prevent overheating.
- Low Standby Power Consumption: Minimizes power usage when the device is idle.
- I2C Interface: Allows for communication with other system components and customization.
- Voltage and Current Monitoring: Accurate voltage and current monitoring for optimized power delivery.
Benefits
- Fast and Efficient Charging: PPS support allows for optimized charging profiles, resulting in faster charging times.
- Enhanced Safety: Comprehensive protection features ensure safe operation and prevent damage to connected devices.
- Wide Compatibility: Compliant with USB Type-C and PD standards, ensuring compatibility with a broad range of devices.
- Customizable Functionality: Integrated microcontroller and I2C interface enable custom configuration and control.
- Reduced System Cost: Integration of multiple functions reduces the need for external components.
- Simplified Design: Simplifies the design of USB PD chargers and power adapters.
The WT8875 operates within a specified voltage range, typically around 3V to 5.5V, and is designed for low power consumption in standby mode. It includes integrated MOSFET drivers for efficient power conversion. Furthermore, it supports various charging protocols beyond USB PD, increasing its versatility. The built-in voltage and current monitoring features enhance the accuracy and efficiency of power delivery, providing a reliable and safe charging experience. The Weltrend WT8875 is a robust and feature-rich solution for modern USB PD charging applications, offering a balance of performance, safety, and compatibility.