IDT P9242－R3+P9221－R3 15W双向数据通信无线充电解决方案

IDT公司的P9242-R3是高度集成15W磁感应无线功率发送器,具有双向数据通信,包括了32位ARM® Cortex®-M0处理器,外部物体检测(FOD),宽输入电压范围工作4.25V到 21V,全桥驱动器,瞬间电压和电流解调;而P9221-R3是高效15W磁感应无线功率接收器,具有双向数据通信,集成了32位ARM® Cortex® -M0处理器,低RDS(ON)同步整流器和超低压降稳压器.本文介绍了P9242-R3和P9221-R3可组成端端效率高达87%的完整无线充电解决方案主要特性,框图,电路图和材料清单.
The IDT P9242-R3 is a highly-integrated 15W magnetic induction wireless power transmitter with in-band, bi-directional 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 to 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 bi-directional data communication.
The P9242-R3 is available in a space-saving 48-VFQFPN package. It is rated for -40 to +85ºC ambient operating temperature range.
P9242-R3主要特性:
 Supports bi-directional data communication
 Enables authentication and system data transfer
 Up to 15W of power transfer
 87% end-to-end efficiency when combined with the P9221-R3
 VIN range: 4.25V to 21V
 Integrated drivers for external power FETs
 Integrated step-down switching regulator
 Simultaneous voltage and current demodulation
...