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Renesas Electronics Components Datasheet

P9235A-R Datasheet

Wireless Power Transmitter

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Wireless Power Transmitter for ≤3W
Applications
P9235A-R
Datasheet
Description
The P9235A-R is a 3W, magnetic induction, wireless power
transmitter for low power applications. The system-on-chip
operates with an input voltage range of 4.5 5.5V while
integrating micro-controller, voltage regulation, over-current
protection, full bridge power stage drivers and on-chip
simultaneous voltage and current demodulation.
The transmitter includes industry-leading 32bit ARM® Cortex®-
M0 processor offering a high level of programmability, while
consuming extremely low standby power. The device features
two LED outputs with pre-defined user programmable blinking
patterns, buzzer and programmable over-current protection
supporting wide range of applications. The I2C serial
communication allows the user to read back information such as
voltage, current, frequency and fault conditions. Together with the
P9027LP-R receiver, the P9235A-R is a complete wireless power
system solution.
The P9235A-R is available in a Pb-free, space-saving VFQFN 5
mm X 5 mm, 40 pin package. The product is rated over an
operating temperature range of -40ºC to +85ºC.
Typical Applications
Smart Watches
Headsets
Health and Fitness monitors
Portable Medical applications
Features
VIN range: 4.5 - 5.5 V
Supports receiver for up to 3W of power transfer
80% peak efficiency (when coupled with P9027LP receiver)
Integrated power stage drivers
Low standby power
Simultaneous voltage and current demodulation
Integrated 32 bit ARM® Cortex®-M0 Processor
Supports I2C interface for field programmability
Programmable current limit
Over-Current and Over-Temperature protection
Active low enable pin for electrical on/off
Pre-defined programmable LED patterns
Dedicated remote temperature sensing
-40ºC to +85ºC ambient operating temperature range
VFQFN 5mm X 5mm, 40 pin package
Figure 1. Application Diagram
LDO33
VIN
4.5V -5.5V
RSENSE
Off
On
EN
LED_RED
LED_GRN
VO_5
Discrete
R,C Filter 1
SW_B
VIN_LDO
LDO33
P9235A-R
GH_BRG1
GL_BRG1
GH_BRG2
GL_BRG2
V_BRIDGE
LDO18
Resistor
dividers
LDO18
ILIM
LED_PAT
RSVD1
RSVD2
VSNS
SDA
SCL
TS
Discrete
R,C Filter 2
LDO18
© 2016 Integrated Device Technology, Inc
1
May 17, 2016


Renesas Electronics Components Datasheet

P9235A-R Datasheet

Wireless Power Transmitter

No Preview Available !

P9235A-R Datasheet
Absolute Maximum Ratings
These absolute maximum ratings are stress ratings only. Stresses greater than those listed in Table 3, 4 and 5 may cause permanent
damage to the device. Functional operation of the P9235A-R at absolute maximum ratings is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect long-term reliability.
Table 1. Absolute Maximum Ratings Summary (All voltages are referred to ground.)
Pins
E¯N¯ , VIN, SW_B, VBRG_IN, SW_BRG1, SW_BRG2, ISNS_H, ISNS_L, BST_BRG1, BST_BRG2, GH_BRG1,
GH_BRG2
VO_5, VO_33, VIN_LDO, LED_GRN, LED_RED, VDDIO, GPIO_A4, GPIO_B2, GPIO_B3, RSVD1, RSVD2,
SCL, SDA, ILIM, LED_PAT, TS, BUZ, GL_BRG1, GL_BRG2, VSNS_IN, ISNS_IN, ISNS_OUT, VDRV_IN
GND_S, GND_BRG, VSNS_GND, GND_B, EPGND
LDO18
Thermal Characteristics
Table 21,2,3. Package Thermal Characteristics
Rating
-0.3 to 28
-0.3 to 6
+0.3
-0.3 to 2
Units
V
V
V
V
Symbol
ΘJA
ΘJC
ΘJB
TJ
TA
TSTG
TLEAD
Description
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Case
Thermal Resistance Junction to Board
Operating Junction Temperature
Ambient Operating Temperature
Storage Temperature
Lead Temperature (soldering, 10s)
QFN Rating
28.5
21.87
1.27
-40 to +125
-40 to +85
-55 to +150
+300
Units
C/W
C/W
C/W
C
C
C
C
Notes:
1. The maximum power dissipation is PD(MAX) = (TJ(MAX) - TA) / θJA where TJ(MAX) is 85°C. Exceeding the maximum allowable power
dissipation will result in excessive die temperature, and the device will enter thermal shutdown.
2. This thermal rating was calculated on JEDEC 51 standard 4-layer board with dimensions 3” x 4.5” in still air conditions.
3. Actual thermal resistance is affected by PCB size, solder joint quality, layer count, copper thickness, air flow, altitude, and other
unlisted variables.
Table 3. ESD Information
Test Model
Pins
HBM
All pins
CDM
All pins.
Ratings
+/- 2000
+/- 500
Units
V
V
© 2016 Integrated Device Technology, Inc
2
May 17, 2016


Part Number P9235A-R
Description Wireless Power Transmitter
Maker Renesas
PDF Download

P9235A-R Datasheet PDF






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