15W Wireless Charging Solution with Bidirectional Data Communication
The WP15WBD-RK evaluation kit demonstrates 15W wireless power transfer and bidirectional data communication between a transmitter (Tx) board with the P9242-R3 wireless...
The P9242-R3 is a highly integrated 15W magnetic induction wireless power transmitter with in-band, bidirectional data communication requiring no additional circuitry. The communication channel can be used for proprietary device authentication and secure system data transfer.
The P9242-R3 includes a 32-bit Arm® Cortex®-M0 processor, foreign object detection (FOD), wide input voltage range operation, full bridge drivers, and on-chip simultaneous voltage and current demodulation.
In addition, the P9242-R3 features programmable over-current protection, programmable LED output blinking pattern, and I²C serial interface protocol to read back information such as voltage, current, and fault conditions. This standard device is compliant with the WPC 1.2 specification. Combined with the P9221-R3 receiver, the P9242-R3 forms a complete wireless power system solution for 15W applications with bidirectional data communication.
The P9242-R3 has the bootloader and application firmware pre-programmed into internal one-time programmable (OTP) memory.
The P9242-RB, which is pin-compatible with the P9242-R3, has only the bootloader pre-programmed into OTP memory
and uses external flash for the application firmware so that it can be changed for specific system requirements.
The P9242-R3 and P9242-RB are available in a lead-free, space-saving 48-VFQFN package. It is rated for -40 ºC to +85 ºC ambient operating temperature range.
The WP15WBD-RK evaluation kit demonstrates 15W wireless power transfer and bidirectional data communication between a transmitter (Tx) board with the P9242-R3 wireless...
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
A brief overview of the WP15WBD-RK, a 15W WPC Qi-compatible wireless power reference kit featuring a bi-directional communication channel between the transmitter and receiver. The bi-directional data communication channel enables users to authenticate a wirelessly charged receiver device with a specific charging transmitter base or to transfer system data without any additional hardware.
For more information, visit www.IDT.com/WP15WBD-RK.
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