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P9415-R bảng dữ liệu(PDF) 14 Page - Renesas Technology Corp

tên linh kiện P9415-R
Giải thích chi tiết về linh kiện  15W Wireless Power Receiver with WattShare™ Mode
PDF  62 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

P9415-R bảng dữ liệu(HTML) 14 Page - Renesas Technology Corp

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P9415-R Datasheet
© 2021 Renesas Electronics Corporation
14
May 4, 2021
6. Wireless Power Charging System
A wireless power charging system has a base station with one or more transmitters that make power available via DC-to-AC inverter(s), and
transmit the power over a strongly-coupled inductor pair (magnetic induction) or over a loosely-coupled inductor pair (magnetic resonance) to
a receiver in a mobile device. A WPC 1 system uses near field magnetic induction between coils and can be a free-positioning or
magnetically-guided type of system.
In WPC systems, the amount of power transferred to the mobile device is controlled by the receiver. The receiver sends communication packets
to the transmitter to increase power, decrease power, or maintain the power level. The bit rate for Rx-to-Tx communication link is 2kbps for
WPC receivers and is amplitude modulated (ASK) on top of the power link that exists.
Figure 2. Block Diagram of WPC System
Base Station
Transmitter
Transmitter
Mobile Device
Receiver
Transmitter
Power
Power Conversion
Power Pick- up
Control
Control
Messages
Comm
Comm
Reflected Load
Mod
DeMod
1
For the most current information, see the WPC specification at http://www.wirelesspowerconsortium.com/.



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