无线充电是一种利用电磁感应原理在两个线圈之间传输电能的技术。近年来,作为一个热门卖点,此技术被应用到了各个品牌的智能手机等移动设备中。
以少引脚和具有丰富的可配置模拟功能的MCU RL78/G11作为主控芯片。该解决方案利用芯片的强大的模拟功能实现过流监测,通过timer KB输出PWM。 通过宽输入电压范围、微功耗单向高边和低边电流检测放大器ISL28006以及具有自适应直通保护功能的高频MOSEFT驱动器HIP2106A,提高了安全性,保证了高效性。
注意: 此应用程序尚未获得Qi认证。
Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.
这是无线充电器的参考设计,工作原理为:通过电磁感应实现物体间的电能传输。使用了具有全模拟功能的RL78/G11微控制器、ISL28006电流检测放大器和HIP2106A MOSFET驱动器。