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P9025AC

Renesas
Part Number P9025AC
Manufacturer Renesas
Description Qi Wireless Power Receiver
Published Jun 4, 2020
Detailed Description 5W, Qi Wireless Power Receiver with Integrated Rectifier and LDO Output P9025AC DATASHEET Features • Integrated Single...
Datasheet PDF File P9025AC PDF File

P9025AC
P9025AC

Overview
5W, Qi Wireless Power Receiver with Integrated Rectifier and LDO Output P9025AC DATASHEET Features • Integrated Single Chip Receiver (Rx) Solution • Integrated Full-Bridge Synchronous Rectifier • Integrated 5.
3V, 1A LDO Regulator Output • WPC-1.
1.
2 compliant • Advanced WPC v1.
1.
2 Foreign Object Detection (FOD) • Programmable FOD setting via external resistor • Closed-loop power transfer control between Tx and Rx • Support I2C interface with access to: • Rectifier voltage • Output current • Resonance frequency • Open-Drain LED Indicator Output • Over-Temperature/Voltage/Current Protection • 0° to +85°C temperature range • 5 x 5 mm 32-VFQFPN package Applications • PC peripherals • Rugged electronic gear • Small appliances • Battery-powered electronics Introduction The P9025AC is an integrated single-chip, WPC-1.
1.
2 compliant wireless power receiver with an advanced Foreign Object Detection (FOD) feature.
This device operates with an AC power signal from a resonant tank and converts it into a regulated 5.
3V output voltage.
The receiver includes a high efficiency Synchronous Full Bridge Rectifier and 5.
3V tracking LDO output stage.
The P9025AC automatically detects the transmitter’s presence and initiates WPC AC modulation communication protocols with optimal efficiency.
The device includes the control circuit required to modulate the load to transmit WPC-compliant message packets to the base station.
It uses minimal external components to reduce overall solution area and costs.
The P9025AC 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.
Typical Application Circuit CBST1 CCLAMP1 BST1 CLAMP1 P9025AC CS CMOD1 ACM1 AC1 OUT SNS ILIM COUT Rlim VOUT=5.
3V LRX CD CRECT CMOD2 CCLAMP2 CBST2 AC2 ACM2 CLAMP2 BST2 Interupt Enable Charge  Complete INT VRECT EN CHG_END / CS100 AGND PGND STAT FOD1 FOD2 TEOP VDD R1 RFOD1 RFOD2...


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