概览
描述
The P9025A is an integrated single-chip, WPC v1.1-compliant, wireless power receiver IC with advanced WPC v1.1 Foreign Object Detection (FOD). The device converts an AC power signal from a resonant tank into a regulated 5V output voltage, which can be used to supply power to a mobile application. It includes a high-efficiency synchronous full bridge rectifier and 5V tracking LDO output stage.
The device includes the control circuitry required to modulate its load to transmit WPC-compliant message packets to the base station. It uses minimal external components to reduce the overall solution area. The P9025A employs advanced programmable FOD techniques to detect foreign metallic objects placed on the transmitter base station based on the transmitted and received power transfer.
特性
- WPC 1.1 Qi compliant
- Advanced WPC v1.1 Foreign Object Detection (FOD)
- Programmable FOD setting via external resistors and I2C registers
- Programmable current limit
- Integrated full-bridge synchronous rectifier
- Integrated 5V at 1A linear regulator output
- Closed-loop power transfer control between TX and RX
- I2C interface provides Vrect, Iout, and switching frequency values
- Open-drain LED indicator output
- Temperature monitoring through external NTC thermistor
- Over-temperature, overvoltage, and overcurrent protection
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 1.29 MB | |
| 应用说明 | PDF 810 KB | |
| EOL 通告 | PDF 543 KB | |
| EOL 通告 | PDF 552 KB | |
| 产品变更通告 | PDF 25 KB | |
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设计和开发
开发板与套件
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P9025A-EVK
过时
Evaluation Board for Wireless Power Receiver P9025A
The P9025A “CSP” evaluation board serves to demonstrate the features and performance of the P9025A Wireless Power Receiver solution for Mobile Device with RX-A Coil. The intuitive top-level layout and control simplifies the user experience to emphasize the impressive level of integration and...
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