IDT P9235A－R+P9027LP－R 3W无线充电发送和接收解决方案
IDT公司的P9235A-R是无线3W功率发送器,集成了32位ARM® Cortex®- M0处理器,电压稳压器,过流保护,全桥功率级驱动器以及电压与电流解调器;工作电压4.5V-5.5V,而P9027LP-R是0.5W-3W无线功率接收器,具有过压保护箝位功能,集成了低压降跟踪LDO,和电荷泵,可编程输出电压4.5V-6.0V,和P9235A-R一起可组成完整的无线电源系统解决方案.主要用在智能手表,手持设备,健康和健美监视器以及手持医疗应用.本文介绍了P9235A-R和P9027LP-R主要特性,功能框图,应用电路与材料清单,以及发送板和接收板WP3W-RK主要特性,电路图,材料清单和PCB元件布局图.
1. P9235A-RWireless Power Transmitter for 3W Applications
The P9235A-R is a 3W, magnetic induction, wireless power transmitter for low power applications. The system-on-chip operates with an input voltage range of 4.5 – 5.5V while integrating micro-controller, voltage regulation, over-current protection, full bridge power stage drivers and on-chip simultaneous voltage and current demodulation.
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