The WPCT201BA0WGT is a wireless power transmitter IC from Winbond Electronics. This highly integrated chip is designed for use in wireless charging applications, adhering to the Qi standard. It enables efficient and reliable power transfer to compatible receiver devices, such as smartphones, wearables, and other portable electronics.

Applications:

• Wireless charging pads for smartphones
• Wireless charging docks for wearables (smartwatches, fitness trackers)
• Embedded wireless charging solutions in furniture or automotive consoles
• Portable wireless chargers (power banks)
• Wireless charging transmitters in various consumer electronics devices

Features:

• Qi compliant wireless power transmitter
• Integrated full-bridge inverter
• Foreign object detection (FOD)
• Over-voltage protection (OVP)
• Over-current protection (OCP)
• Over-temperature protection (OTP)
• LED indicator support for charging status
• Precise Amplitude Shift Keying (ASK) demodulation
• Half-bridge or full-bridge driving mode configurable
• Low standby power consumption

Benefits:

• Enables convenient and cable-free charging for compatible devices
• Enhances user experience by eliminating the need for physical connectors
• Improves device reliability by reducing wear and tear on charging ports
• Provides a safe charging environment with built-in protection features
• Reduces clutter and improves aesthetics with wireless charging solutions
• Streamlines product design by integrating all necessary wireless power transmitter functions into a single chip
• Minimizes power loss and maximizes efficiency for optimal energy transfer.

The WPCT201BA0WGT operates within the Wireless Power Consortium (WPC) Qi standard, ensuring interoperability with a wide range of Qi-certified receiver devices. It employs advanced control algorithms to optimize power transfer efficiency and minimize heat generation. The integrated foreign object detection (FOD) feature prevents the charging process from starting if a metallic object is present between the transmitter and receiver, ensuring safety and preventing damage. The chip incorporates multiple protection mechanisms, including over-voltage, over-current, and over-temperature protection, to safeguard both the transmitter and receiver devices. The device also features LED indicator support to visually communicate the charging status to the user. The WPCT201BA0WGT’s low standby power consumption helps to conserve energy and extend the lifespan of the power source. It is designed for easy integration into various wireless charging applications, making it an ideal choice for manufacturers seeking to add wireless charging capabilities to their products.