P9221-R datasheet(1/38 Pages) RENESAS

Part #	P9221-R

Description	Wireless Power Receiver for 15W Applications

PDF	38 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Wireless Power Receiver

for 15W Applications

P9221-R

Datasheet

1

October 10, 2017

AC1

COMM1

BST1

AC2

COMM2

BST2

OUT

SDA

SCL

INT

Programming

Resistors

LS

P9221-R

CS

COUT

Description

The P9221-R is a high-efficiency, Qi-compliant wireless power

receiver targeted for applications up to 15W. Using magnetic induc-

tive charging technology, the receiver converts an AC power signal

from a resonant tank to a programmable regulated 9V or 12V DC

output voltage. The integrated, low RDSON synchronous rectifier

and ultra-low dropout linear (LDO) regulator offer high efficiency,

making the product ideally suited for battery-operated applications.

The P9221-R includes an industry-leading 32 bit ARM® Cortex®-

M0 microprocessor offering a high level of programmability. In

addition, the P9221-R features a programmable current limit and a

patented over-voltage protection scheme eliminating the need for

additional capacitors generally used by receivers and minimizing

the external component count and cost. Together with IDT’s

P9242-R transmitter (Tx), the P9221-R is a complete wireless

power system solution for power applications up to 15W.

The P9221-R is available in a 52-WLCSP package, and it is rated

for a 0 to 85°C ambient operating temperature range.

Typical Applications



Mobile phones



Tablets



Accessories



Medical

Features



Single-chip solution supporting up to 15W applications



WPC-1.2.3 compliant



Patented over-voltage protection clamp eliminating external

capacitors



87% peak DC-to-DC efficiency with P9242-R Tx



Full synchronous rectifier with low RDSON switches



Programmable output voltage: 9V or 12V



User-programmable foreign-object detection (FOD)



Embedded 32-bit ARM® Cortex®-M0 processor



Dedicated remote temperature sensing



Power transfer LED indicator



Programmable current limit



Active-low enable pin for electrical on/off



Open-drain interrupt flag



Supports I2C interface



0 to +85°C ambient operating temperature range



52-WLCSP (2.64

 3.94 mm; 0.4mm pitch)

Typical Application Circuit

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