The WPT2N31-6/TR is a wireless power transmitter IC from Willsemi. It is designed to efficiently and safely transmit power wirelessly to compatible receiver devices, eliminating the need for physical cables. This IC integrates various protection features and control mechanisms to ensure reliable operation and prevent damage from overcurrent, overvoltage, or foreign object interference.

Applications:

• Wireless charging solutions for smartphones and tablets
• Charging bases for wireless mice and keyboards
• Wireless charging of low-power IoT devices
• Embedded wireless power in furniture and automotive applications
• Wireless charging of medical devices

Features:

• Qi standard compliance: Ensures compatibility with a wide range of Qi-enabled devices.
• Foreign Object Detection (FOD): Detects metallic objects in the charging field and prevents power transfer to avoid overheating and potential hazards.
• Over-Voltage Protection (OVP): Protects the device from voltage spikes and surges.
• Over-Current Protection (OCP): Limits the current flow to prevent damage to the transmitter and receiver.
• Thermal Shutdown Protection: Shuts down the transmitter if the temperature exceeds a safe limit.
• High Efficiency Power Conversion: Maximizes the power transferred to the receiver, minimizing energy loss.
• Compact Package: Allows for integration into small form-factor devices.

Benefits:

• Convenient Wireless Charging: Eliminates the need for cables, simplifying the charging process.
• Enhanced Durability: Reduces wear and tear on charging ports.
• Increased Safety: Built-in protection features ensure safe operation.
• Improved Aesthetics: Wireless charging solutions offer a cleaner and more modern look.
• Versatile Applications: Suitable for a wide range of consumer and industrial applications.

Additional Details:

The WPT2N31-6/TR operates within the standard wireless charging frequency band. The 'TR' suffix indicates that the component is supplied in tape and reel packaging for automated assembly. The device requires external components such as a transmitting coil and resonant capacitors to create a complete wireless power transfer circuit. Consult the manufacturer's datasheet for detailed specifications, application notes, and recommended component values. This IC is designed for efficient and reliable wireless power transfer, making it a suitable choice for a variety of wireless charging applications.