概要
説明
The P9028AC is an integrated single-chip, dual-mode WPC v1.1-compliant and PMA-compatible, wireless power receiver IC with advanced WPC v1.1 Foreign Object Detection (FOD). The device operates with an AC power signal from a resonant tank and converts it 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 P9028AC is used in automatic dual mode with either WPC AC or PMA DC modulation connections for improved efficiency.
The device includes the control circuit required to modulate the load to transmit WPC-compliant or PMA-compatible message packets to the base station. It uses minimal external components to reduce the overall solution area. The P9028AC employs advanced programmable WPC FOD techniques to detect foreign metallic objects placed on the transmitter base station derived from a transmitted and received power transfer algorithm.
NOTICE: This device is restricted to high-volume and strategic applications only.
特長
- Dual-mode: WPC 1.1 compliant and PMA compatible
- Single-chip receiver (Rx) solution
- Advanced WPC V1.1 Foreign Object Detection (FOD)
- Programmable FOD setting via external resistor and I2C registers
- Programmable current limit via external resistor
- Integrated full-bridge synchronous rectifier
- Integrated 5V at 1A tracking LDO 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/Overcurrent protection
製品比較
アプリケーション
ドキュメント
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| 分類 | タイトル | 日時 |
| データシート | PDF 2.55 MB | |
| EOL通知 | PDF 982 KB | |
| EOL通知 | PDF 543 KB | |
| 製品変更通知 | PDF 25 KB | |
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設計・開発
モデル
ECADモデル
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Processing table
| WLCSP | 36 | I | Yes | Cut Tape | ||
| WLCSP | 36 | I | Yes | Reel | ||
| VFQFPN | 32 | I | Yes | Tray | ||
| VFQFPN | 32 | I | Yes | Reel |
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