Datasheet > ADP50460008CBZR

ADP50460008CBZR

更新时间： 2024-11-26 20:08:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
60页	931K
描述
POWER SUPPLY SUPPORT CKT

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ADP50460008CBZR 数据手册

Compact PMU with Six DC-to-DC Channels,

Two LDOs, Load Switch, and RTC

ADI Confidential

ADP50460008

FEATURES

APPLICATIONS

Wide input voltage range: 2.1 V to 5.5 V

2.5 MHz switching frequency

Digital still cameras

Digital video cameras

Current mode architecture for best transient performance

Internal compensation and soft start

I²C-programmable output levels and power sequencing

PSM mode on Channel 1

Multimedia devices

Space-constrained portable equipment

GENERAL DESCRIPTION

The ADP5046 is a compact, multi-output power management unit

(PMU) designed for space-constrained applications that require

high efficiency power regulation. The device includes a boost,

a buck-boost, and three buck regulators; two LDOs; a backlight

driver; a load switch; and an RTC/backup battery manager. The

total solution size is minimized through a combination of chip scale

packaging; high frequency switches; and the integration of power

FETs, external compensation, and feedback resistors. To ensure

maximum flexibility, the voltage outputs, power sequencing, and

soft start time can be programmed via the I²C interface or set by

factory programming.

Power

Channel 1: synchronous boost regulator, 1.2 A maximum

Channel 2: H-bridge buck-boost regulator, 0.9 A maximum

Channel 3: synchronous buck regulator, 1.8 A maximum

Channel 4: synchronous buck regulator, 0.9 A maximum

Channel 5: 45 mΩ load switch, 0.8 A

Channel 6: synchronous buck regulator, 0.9 A maximum

Channel 7: HV boost regulator for backlight LED,

up to 23.75 V (typical)

Channel 8: LDO regulator, 100 mA maximum

Channel 9: low quiescent current LDO, 50 mA maximum

Auxiliary

Real-time clock (RTC) with backup battery charger

Flexible power sequence control

Reset for external microprocessor

Package

4 mm × 4 mm, 64-ball WLCSP

FUNCTIONAL BLOCK DIAGRAM

SCL

SDA

SYSTEM

I C

CH 1 SYNC BOOST

REGULATOR

INTERFACE

I/O

CH 2 BUCK-BOOST

REGULATOR

VCORE

POWER

SEQUENCER

CH 3 BUCK

REGULATOR

ALARM OUT

AUXILIARY

RTC

CH 4 BUCK

LOGIC

REGULATOR

CH 9 KEEP ALIVE

LDO

REGULATOR

SUB CPU

CH 5 LOAD SWITCH

MEMORY

XTAL

OSCILLATOR

CH 6 BUCK

REGULATOR

32kHz

BACKUP

BATTERY

CHARGER

BACKUP BATTERY

BACKLIGHT LEDs

ANALOG

CH 7 BOOST

REGULATOR

CH 8 LDO

REGULATOR

RESET

RESET OUT

Figure 1.

Rev. Sp0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与ADP50460008CBZR相关器件

型号	品牌	获取价格	描述	数据表
ADP5050	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5050ACPZ-R7	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5050-EVALZ	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5051	ADI	获取价格	Integrated Power Solution with Quad Buck
ADP5051ACPZ-R7	ADI	获取价格	Integrated Power Solution with Quad Buck Regulators, Supervisory, and I<sup>2</su
ADP5052	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5052ACPZ-R7	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5052-EVALZ	ADI	获取价格	5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator
ADP5053	ADI	获取价格	Wide input voltage range
ADP5053ACPZ-R7	ADI	获取价格	Integrated Power Solution with Quad Buck Regulators and Supervisory Circuits

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