P9242-R datasheet(1/38 Pages) RENESAS

部件名	P9242-R

功能描述	Wireless Power Transmitter for 15W Applications

PDF	38 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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1 / 38 page

Wireless Power Transmitter

for 15W Applications

P9242-R

Datasheet

1

January 16, 2018

Peak

detector

P9242-R

SW_S

LDO33

LDO18

PREG

VIN_LDO

RSNS

Programming

resistors

GH_BRG1

SW_BRG1

GL_BRG1

GH_BRG2

SW_BRG2

GL_BRG2

ILIM/FOD

LED/Q-fact

LP

CP

L

12V

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 circuit to safe

guard the device under fault conditions. Together with the P9221-

R receiver (RX), 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 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

User programmable 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

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