Overview
Description
The IDT P9021 is a dual-mode single-chip wireless power receiver IC that complies with the requirements of both WPC “Qi” 1.0.1 and PMA Type 1 Interoperability specifications. The device functions to receive an AC power signal from a compatible wireless transmitter and convert it into a regulated 5V output voltage to provide direct power or supply the charger input in mobile applications. The P9021 integrates a high-efficiency synchronous full-bridge rectifier, high-efficiency synchronous buck converter, and control circuits used to modulate the load to transmit WPC or PMA-compliant message packets to the transmitter to optimize power delivery.
Features
- Dual-mode: WPC 1.0.1 and PMA Type 1
- Compatible with all WPC receiver coils including proprietary and PCB-based coils
- Integrated synchronous full-bridge rectifier
- Integrated synchronous buck converter
- Closed-loop power transfer control between base station and mobile device
- Optional proprietary back-channel comm.
- Security and encryption up to 64-bit
- Optional multi-layer foreign object detection (FOD)
- Over-temp, voltage, current protection
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-form | PDF 589 KB | |
| Application Note | PDF 3.74 MB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| WLCSP | Reel | 99 | I | Yes |
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