P9222-R datasheet(1/58 Pages) RENESAS

部件名	P9222-R

功能描述	Wireless Power Receiver for Low Power Applications

PDF	58 Pages

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制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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Wireless Power Receiver for

Low Power Applications

P9222-R/RN

Datasheet

1

May 5, 2022

The P9222-R/RN is an integrated single-chip wireless power

receiver IC (Rx) for up to 5W applications implementing in-band,

bi-directional data communication with no additional circuitry. The

device receives an AC power signal from a wireless power

transmitter, such as the P9235A-RB WPC Qi BPP Wireless

Transmitter IC, and converts it to a rectified output voltage, which

can be used to power devices or supply the battery charger input

in a wide range of wireless power applications. The receiver (Rx)

integrates a high-efficiency synchronous full bridge rectifier (SFBR)

and control circuits that enable bi-directional communication from

and to the transmitter (Tx) for optimized power delivery.

The P9222-R/RN is highly efficient at light loads and very well-

suited for low-power applications such as earbuds case charging.

A unique Ping detect feature gives the user an early indication of

the wireless charger connection and improves thermal

performance at the end of complete battery charging. Low under-

voltage lockout (UVLO) threshold allows the receiver to start up

even with a weaker digital ping strength signal from a transmitter

over an extended area.

The device includes over-temperature and under/over-voltage

protection. The internal over-voltage clamping protects the rectifier

output from rising above the overvoltage level when the receiver is

quickly moved from a low-coupling position to a high-coupling

position. The integrated 32-bit ARM® Cortex®-M0 processor

(trademark of ARM, Ltd.) offers a high level of programmability and

design parameters that can be easily configured through the I2C

interface or an external EEPROM.

The P9222-R default firmware factory programmed in internal OTP

is WPC 1.2.4 Qi Baseline Power Profile (BPP) compatible. The

P9222-RN default factory firmware programmed in internal OTP is

latest WPC 1.3 Qi Baseline Power Profile (BPP) compatible.

The P9222-R/RN is available in a RoHS ultra-small WLCSP-40

package and it is rated for a 0 to 85°C ambient operating

temperature range.

Typical Applications

Wireless power solutions for mobile solutions including:



Wireless earbuds case charging



Wearables and fitness trackers



Mobile devices



Hearing aids case charging

Features



Ultra-compact, efficient wireless power receiver for up to

5W applications



P9222-R default firmware is WPC 1.2.4 Qi Baseline Power

Profile (BPP) compatible



P9222-RN default firmware is WPC 1.3 Qi Baseline Power

Profile (BPP) compatible



Ping detection for reduced power consumption at end of

charging



Low under-voltage lockout (UVLO) for low voltage start-up for

faster connections over an extended area



ASK and FSK modulation/demodulation for Bi-directional

Communication: Rx-to-Tx and Tx-to-Rx



Supports bi-directional data communication



Easy configuration of design parameters through I2C interface

on an external EEPROM



Embedded 32-bit ARM® Cortex®-M0 processor



Internal over-voltage clamping



Low standby and operating mode power consumption



High performance low dropout (LDO) regulator with low

RDS(on) and programmable current limiting



Supports I2C slave/master mode



40-WLCSP: 5 × 8 ball array, 2.28 × 3.38 mm, 0.4mm pitch

Block Diagram

Figure 1.

Simplified Block Diagram

AC1

AC2

BST2

CM2

CM1

BST1

PGND

VRECT

LDO5P0

VOUT

OD1

OD0

/EN

GP0

GP1

GP2

P9222-R

P9222-RN

LDO1P8

DC Output

OD2

Rx

Coil

LDO1P8

PDET_RC

PDETB

LDO5P0

SCL

SDA

CS

CD

/Enable

/INT

ADC_IN

CMB

CMA

EEPROM or AP

(Optional)

External Thermistor

Connect to LDO1P8

for External EEPROM

ADC_IN

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