P9242-R Datasheet, PDF (1/31 Pages) Integrated Device Technology – Wireless Power Transmitter

Wireless Power Transmitter
for 15W Applications
P9242-R
Datasheet
Description
The P9242-R is a highly integrated, magnetic induction, wireless
power transmitter supporting up to 15W. The system-on-chip
operates with an input voltage range of 4.25V to 21V.
The transmitter includes an industry-leading 32-bit ARM®
Cortex®-M0 processor offering a high level of programmability
while consuming extremely low standby power. The P9242-R
features two LED outputs with pre-defined user-programmable
blinking patterns, buzzer, and programmable over-current
protection supporting a wide range of applications. The I²C serial
communication allows the user to read information such as
voltage, current, frequency, and fault conditions. The P9242-R
includes an under-voltage lockout and thermal management cir-
cuit to safe guard the device under fault conditions. Together with
the P9221-R receiver (R_X), the P9242-R is a complete wireless
power system solution.
The P9242-R is available in a lead-free, space-saving 48-VFQFN
package. The product is rated for a -40ºC to +85ºC operating
temperature range.
Typical Applications
 Charging pad
 Accessories
 Cradle
 Tablets
Features
 Power transfer up to 15W
 Wide input voltage range: 4.25V to 21V
 WPC-1.2.2 compliant, MP-A2 coil configuration
 Integrated step-down switching regulator
 Embedded 32-bit ARM® Cortex®-M0 processor
 Integrated drivers for external power FETs
 Simultaneous voltage and current demodulation scheme for
communication
 Integrated current sense amplifier
 Low standby power
 Dedicated remote temperature sensing
 Programmable current limit
 Power transfer LED indicator
 Foreign objects detection (FOD)
 Pre-defined user-programmable LED pattern
 Active-LOW enable pin for electrical on/off
 Over-current and over-temperature protection
 Supports I²C interface
 -40 to +85°C ambient operating temperature range
 48-VFQFN (6  6 mm) RoHS-compliant package
Basic Application Circuit
RSNS
12V
L
SW_S
VIN_LDO
LDO33
LDO18
PREG
Programming
resistors
ILIM
LED_PAT
P9242-R
GH_BRG1
SW_BRG1
GL_BRG1
GH_BRG2
SW_BRG2
GL_BRG2
Peak
detector
CP
LP
© 2016 Integrated Device Technology, Inc
1
December 16, 2016