P9028AC Dual-Mode WPC/PMA 5 Watt Wireless Power Receiver IC

2023-05-18
■Introduction
●The P9028AC is an integrated single-chip, dual-mode WPC v1.1.2-compliant and PMA v1.0-compatible, wireless power receiver IC with advanced WPC v1.1.2 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 dual-mode operation automatically detects the transmitter type and initiates either WPC or PMA AC modulation communication protocols with optimal 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 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.
●The P9028AC is available in a 36 ball 3mm X 3mm WLCSP or 32 pin 5mm X 5mm TQFN package.
■Features
●Single Chip Receiver (Rx) Solution
●WPC v1.1.2 Compliant
●PMA v1, v3 Pre-Release Compatible with Options
●Advanced WPC v1.1.2 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 @ 1A 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
●Over-Temperature/Voltage/Current Protection

Renesas

P9028ACP9028AC- xAWGI8P9028AC-x*NBGIP9028AC-x*NBGI8P9028AC-x*

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Part#

Dual-Mode WPC/PMA 5 Watt Wireless Power Receiver ICwireless power receiver IC

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WPC-Compliant Wireless Chargers ]PMA-Compatible Wireless Chargers ]Mobile Applications ]Cellular Mobile Phones ]Tablets ]DSC ]DVC ]Handhelds ]

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Datasheet

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Please see the document for details

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WLCSP;TQFN;WLCSP-36;TQFN-32

English Chinese Chinese and English Japanese

2023/1/28

Revision 1.0.3

3.6 MB

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