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Onsemi QT3840BC Environmental and export classification status description

The Onsemi QT3840BC is a highly integrated transmit and receive controller specifically designed for use in wireless power applications. It supports inductive resonant and magnetic resonant wireless power transfer protocols, making it suitable for various applications in the RF and wireless category. Functions: - The QT3840BC provides a robust communication interface for data transfer between the transmitter and receiver units in a wireless power system. - It incorporates an advanced modulation scheme that allows for efficient power transfer while minimizing interference. - The device also offers advanced features like foreign object detection (FOD), which ensures safe and reliable wireless power transfer. Applications: - The QT3840BC is widely used in consumer electronics such as smartphones, tablets, and wearables, enabling wireless charging capabilities. - It is also employed in various IoT (Internet of Things) devices, including smart home appliances, wireless sensors, and medical devices. - Automotive applications, such as wireless charging pads for electric vehicles, can also benefit from the features of the QT3840BC. Alternative parts: - Some alternative parts to the QT3840BC include the Texas Instruments BQ500210, NXP MWPR1516, and STMicroelectronics STWBC. Embedded modules: - The QT3840BC can be integrated into existing systems using different modules such as wireless power transmitter modules (e.g., Qi wireless charging modules) or receiver coils/modules compatible with the required wireless power standard. Q&A: 1. What is the advantage of using the QT3840BC over traditional wired charging methods? The QT3840BC enables convenient wireless charging, eliminating the need for physical connectors. It provides flexibility and ease-of-use, allowing devices to be charged simply by being placed on a compatible charging pad. 2. Can the QT3840BC be used for fast charging? Yes, the QT3840BC supports fast charging protocols. It offers high-efficiency power transfer, enabling faster charging times compared to standard wired charging methods. 3. Does the QT3840BC support communication between the transmitter and receiver? Yes, the QT3840BC incorporates a robust communication interface, allowing bidirectional data transfer between the transmitter and receiver. This facilitates features like FOD and enables communication for power control and status monitoring. 4. Are there any safety features included in the QT3840BC? Yes, the QT3840BC includes safety features such as foreign object detection (FOD), which detects the presence of metal objects or other foreign materials on the charging pad. It helps prevent overheating and protects against potential hazards. 5. Can the QT3840BC be used in automotive applications? Yes, the QT3840BC has applications in automotive wireless charging pads, enabling efficient and convenient charging for electric vehicles.