The WPT2N41-8/TR is a wireless power transmitter IC manufactured by Willsemi. This component is designed to enable efficient and reliable wireless power transfer in a variety of applications. It integrates essential features for power control, safety, and compatibility, making it a suitable choice for modern wireless charging solutions.

Applications:

• Wireless charging transmitters for smartphones
• Wireless charging pads for tablets
• Wireless power transfer systems for wearables (smartwatches, fitness trackers)
• In-car wireless charging solutions
• Wireless charging for power tools and other portable devices

Features:

• Qi Standard Compatibility: Complies with the Qi wireless charging standard, ensuring interoperability with a wide range of Qi-enabled devices.
• Foreign Object Detection (FOD): Detects metallic objects placed on the charging surface and prevents power transfer to avoid overheating and damage.
• Over-Voltage Protection (OVP): Protects the device from voltage surges.
• Over-Current Protection (OCP): Prevents excessive current flow, protecting the transmitter and receiver.
• Thermal Shutdown Protection: Automatically shuts down the transmitter if the temperature exceeds a safe limit.
• High Efficiency Power Conversion: Maximizes the amount of power transferred to the receiver, minimizing energy loss.
• Compact Package: Allows for easy integration into small form-factor devices.

Benefits:

• Convenient Wireless Charging: Eliminates the need for cables, providing a more convenient charging experience.
• Enhanced Durability: Reduces wear and tear on charging ports.
• Improved Safety: Built-in protection features ensure safe and reliable operation.
• Increased Reliability: Robust design ensures consistent performance.
• Versatile Applications: Suitable for a wide range of consumer electronics and industrial applications.

Additional Details:

The WPT2N41-8/TR operates within the frequency range specified by the Qi wireless charging standard. 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. Refer to the manufacturer's datasheet for detailed specifications, application notes, and recommended component values. This IC is designed for optimal performance and reliability in wireless power transfer applications.