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Renesas Electronics Components Datasheet

P9222-R Datasheet

Wireless Power Receiver

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Wireless Power Receiver for
Low Power Applications
P9222-R
Datasheet
Description
The P9222-R is an integrated single-chip wireless power receiver
IC (Rx) for up to 5W applications. 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 used to
send message packets to the transmitter (Tx) in order to optimize
power delivery.
The P9222-R 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 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
WPC 1.2.4 Qi Baseline Power Profile (BPP) compatible
Optimized light load efficiency for low power applications
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
Easy configuration of design parameters through I2C interface
on an external EEPROM
ADC input to measure battery voltage or system voltage
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
PDETB
PDET_RC
VOUT
CMA
CM1 OD0
BST1
CS
AC1
OD1
OD2
/EN
Rx CD
Coil
P9222-R /INT
AC2 GP0
BST2
GP1
CM2 GP2
CMB
VRECT
LDO5P0
LDO1P8
PGND
DC Output
SCL
SDA
ADC_IN
/Enable
EEPROM or AP
(Optional)
External Thermistor
ADC_IN
Connect to LDO1P8
for External EEPROM
LDO5P0
LDO1P8
© 2019 Integrated Device Technology, Inc.
1
September 27, 2019


Renesas Electronics Components Datasheet

P9222-R Datasheet

Wireless Power Receiver

No Preview Available !

P9222-R Datasheet
Figure 2. P9222-R Block and Application Diagram
CVRECT
CS
LRX CD
VRECT
CCMA
CCM1
CBST1
CBST2
CMA
CM1
AC1
BST1
BST2
AC2
OVP Protection
Communication
Drivers
CCM2
CCMB
CM2
CMB
PGND
Synchronous
Rectifier Control
Logic
LDO Driver &
Control
Output
Current
Sense
IOUT SNS
Frequency
Detector
Internal
Temperature
Sense
VOUT
Output
COU TPUT
12 Bit
ADC
OD2
IOUTSNS
VRECT
RPDET_R
CPDET_C
PDETB
PDET_RC
Ping
Detection
Circuitry
SCL
SDA
/EN
/INT
OD0
OD1
/EN
/INT
Analog to Digital Interface
Analog Core:
Bias
OSC
LDO 1.8V
LDO 5V
Charge Pumps
I2C
Interface
ARM M0
Microprocessor
GPOD
Interface
2kB RAM
Timers &
Counters
16 kB OTP
LD O5P0
LD O1P8
PGND
GP0
GP1
GP2
OD2
CLDO5P0
CLDO1P8
GPIO0
© 2019 Integrated Device Technology, Inc.
2
September 27, 2019


Part Number P9222-R
Description Wireless Power Receiver
Maker Renesas
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P9222-R Datasheet PDF






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