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Renesas Electronics Components Datasheet

P9225-R Datasheet

Dual-Mode Wireless Power Receiver

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Dual-Mode Wireless Power Receiver
for 5W Applications
P9225-R
Datasheet
Description
Features
The P9225-R is a high-efficiency wireless power receiver (Rx)
capable of operating in both WPC and PMA protocols. Using
magnetic inductive charging technology, the receiver converts an
AC power signal from a resonant tank into a regulated DC output
voltage ranging from 4.5V to 5.5V. The integrated, low RDSON
synchronous rectifier and ultra-low dropout linear (LDO) regulator
offers high efficiency making the product ideally suited for battery-
operated applications.
Single-chip solution supporting up to 5W applications
WPC-1.2.4 compliant, PMA SR1 compatible
Patented over-voltage protection clamp eliminating external
capacitors
82% peak DC-to-DC efficiency with P9038-R TX
Fully integrated synchronous rectifier with low RDS(ON)
switches
The P9225-R includes an industry-leading 32-bit ARM®
Cortex®-M0 microprocessor offering a high level of program-
mability. The P9225-R also features a programmable current limit
and a patented over-voltage protection function eliminating the
need for additional capacitors generally used by the receivers
minimizing the external component count and cost. Together with
the P9038-R transmitter (TX), the P9225-R is a complete wireless
power system solution for power applications up to 5W.
Programmable output voltage: 4.5V to 5.5V
Embedded 32-bit ARM® Cortex®-M0 processor
Dedicated remote temperature sensing
Programmable current limit
Active-low enable pin for electrical on/off
Active-high End-of-Charge input pin
Open-drain interrupt flag
The P9225-R is available in a 52-WLCSP package, and it is rated
for 0°C to 85°C ambient operating temperature range.
Support for I2C interface
0°C to +85°C ambient operating temperature range
Typical Applications
52-WLCSP (2.64 × 3.94 mm; 0.4mm pitch)
Headsets, tablets
Digital cameras
Typical Application Circuit
Portable media player
Accessories
Medical
CS
LS
COMA
COM1
BST1
AC1
VRECT
SINK
OUT
COUT
LED
AC2
BST2
COM2
COMB
VDD18
VDD5V
P9225-R
VDD18V
VOSET
ILIM
RPPO
RPPG
TS
GND
INT
SCL
SDA
EN
Off
On
EOC
© 2018 Integrated Device Technology, Inc.
1
November 12, 2018


Renesas Electronics Components Datasheet

P9225-R Datasheet

Dual-Mode Wireless Power Receiver

No Preview Available !

P9225-R Datasheet
Contents
1. Pin Assignments...........................................................................................................................................................................................5
2. Pin Descriptions............................................................................................................................................................................................6
3. Absolute Maximum Ratings..........................................................................................................................................................................8
4. Thermal Characteristics................................................................................................................................................................................9
5. Electrical Characteristics ..............................................................................................................................................................................9
6. Typical Performance Characteristics..........................................................................................................................................................12
7. Functional Block Diagram...........................................................................................................................................................................15
8. Theory of Operation....................................................................................................................................................................................16
8.1 LDO – Low Dropout Regulators ........................................................................................................................................................16
8.2 Setting the Output Voltage – VOSET ................................................................................................................................................16
8.3 SINK Pin ............................................................................................................................................................................................17
8.4 Rectifier Voltage – VRECT ................................................................................................................................................................17
8.5 Over-Current Limit – ILIM ..................................................................................................................................................................17
8.6 Interrupt Function – INT.....................................................................................................................................................................17
8.7 Enable Pin – EN ................................................................................................................................................................................18
8.8 Thermal Protection ............................................................................................................................................................................18
8.9 External Temperature Sensing – TS .................................................................................................................................................18
8.10 End of Charge – EOC........................................................................................................................................................................18
8.11 Received Power Packet Offset and Gain Calibration – RPPO and RPPG ........................................................................................18
8.12 Advanced Foreign Object Detection (FOD) .......................................................................................................................................19
9. Communication Interface............................................................................................................................................................................20
9.1 Modulation/Communication ...............................................................................................................................................................20
9.2 Byte Encoding for ASK ......................................................................................................................................................................20
9.3 Packet Structure ................................................................................................................................................................................20
10. WPC Mode Characteristics ........................................................................................................................................................................21
10.1 Selection Phase or Startup................................................................................................................................................................21
10.2 Ping Phase (Digital Ping)...................................................................................................................................................................22
10.3 Identification and Configuration Phase ..............................................................................................................................................22
10.4 Power Transfer Phase.......................................................................................................................................................................22
11. Functional Registers...................................................................................................................................................................................23
12. I2C Access Description ..............................................................................................................................................................................28
13. Application Information ...............................................................................................................................................................................29
13.1 Power Dissipation and Thermal Requirements .................................................................................................................................29
13.2 Recommended Coils .........................................................................................................................................................................30
13.3 Typical Application Schematic ...........................................................................................................................................................31
13.4 Bill of Materials (BOM).......................................................................................................................................................................32
14. Package Outline Drawings .........................................................................................................................................................................33
15. Special Notes: WLCSP-52 (AHG52) Package Assembly...........................................................................................................................33
© 2018 Integrated Device Technology, Inc.
2
November 12, 2018



Part Number P9225-R
Description Dual-Mode Wireless Power Receiver
Maker Renesas
Total Page 3 Pages
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P9225-R Datasheet PDF





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