Datasheet > ACT8946AQJ203-T

ACT8946AQJ203-T

更新时间： 2024-11-20 01:12:35

品牌	Logo	应用领域
技领 - ACTIVE-SEMI		/
页数	文件大小	规格书
37页	1790K
描述
Advanced PMU for Hisilicon Processors

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ACT8946AQJ203-T 数据手册

ACT8946AQJ203-T

Rev 1.0, 08-Jul-16

Advanced PMU for Hisilicon Processors

automations, POS terminals, medical devices and white

goods. This device integrates the complete battery

charging and management system with seven power

supply channels.

FEATURES

 Three Step-Down DC/DC Converters

 Four Low-Dropout Linear Regulators

 Integrated ActivePath Charger

This device features three step-down DC/DC

converters and four low-noise, low-dropout linear

regulators, along with a complete battery charging

solution featuring the advanced ActivePath system-

power selection function.

 I²C^TMSerial Interface

 Advanced Enable/Disable Sequencing Controller

 Minimal External Components

The three DC/DC converters utilize

a high-

 Tiny 5×5mm TQFN55-40 Package

 0.75mm Package Height

 Pb-Free and RoHS Compliant

efficiency, fixed-frequency (2MHz), current-mode

PWM control architecture that requires a minimum

number of external components. Two DC/DCs are

capable of supplying up to 1100mA of output

current, while the third supports up to 1200mA. All

four low-dropout linear regulators are high-

performance, low-noise regulators that supply up to

320mA of output current.

GENERAL DESCRIPTION

The ACT8946A is a complete, cost effective, highly-

efficient power management solution, optimized for

the unique power, voltage-sequencing, and control

requirements. It is ideal for a wide range of high

performance portable handheld applications such as

human-machine interfaces, control panels, smart grid

infrastructures, network gateways, M2M systems, 2D

barcode scanners, barcode printers, machine vision

equipment, as well as home and commercial building

The ACT8946A is available in a compact, Pb-Free

and RoHS-compliant TQFN55-40 package.

* I²C^TMis a trademark of NXP.

TYPICAL APPLICATION DIAGRAM

Hisilicon

Hi351X

ACT8946A

Li+ Battery

CHGIN

ActivePath Charger

Control

REG1

REG2

1100mA

Vcore_D

Vocre_A

DDR

1.1V

1.8V

ISET

1100mA

REG3

REG4 3.3V

REG5

I/O

320mA

Reserved

nSTAT

CHARGE

STATUS

Reserved

REG6

REG7

TWD

SDA

SCL

TWCK

PWHLD

NRST

FIQ/IRQ

GPIO

nRSTO

nIRQ

nPBSTAT

www.active-semi.com

ActivePMU and ActivePath are trademarks of Active-Semi.

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