发明公开
- 专利标题: WIRELESS POWER RECEIVER WITH PROGRAMMABLE POWER PATH
- 专利标题(中): 具有可编程功率路径的无线电力接收器
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申请号: EP15725222.2申请日: 2015-01-08
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公开(公告)号: EP3095199A1公开(公告)日: 2016-11-23
- 发明人: YEN, Yung-Chih , RIEHL, Patrick Stanley , HASNAIN, Akram , SATYAMOORTHY, Anand
- 申请人: MediaTek Singapore Pte. Ltd.
- 申请人地址: No. 1 Fusionopolis Walk No.03-01 Solaris Singapore 138628 SG
- 专利权人: MediaTek Singapore Pte. Ltd.
- 当前专利权人: MediaTek Singapore Pte. Ltd.
- 当前专利权人地址: No. 1 Fusionopolis Walk No.03-01 Solaris Singapore 138628 SG
- 代理机构: Hoefer & Partner Patentanwälte mbB
- 优先权: US201461924762P 20140108
- 国际公布: WO2015105924 20150716
- 主分类号: H04B5/00
- IPC分类号: H04B5/00 ; H02J7/00 ; H04B5/02
摘要:
A wireless power receiver IC in which the power path can be reconfigured as either a low-dropout regulator (LDO), a switched-mode power supply (SMPS) or a power switch (PSW) is provided. All three modes share the same pass device to reduce die area and share the same output terminal to reduce pin. In an inductive wireless receiver, the power path can be reprogrammed on the fly to LDO or PSW mode or can be reprogrammed on the fly to SMPS or PSW mode. In a resonant or multi-mode wireless receiver, the power path can be reprogrammed on the fly to SMPS or PSW mode. Furthermore, to achieve high power transfer efficiency performance, using N-channel MOSFET as its pass device has better efficiency and smaller die area than P-channel MOSFET pass device.
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