Datasheet > ACT8945AQJ305-T

ACT8945AQJ305-T

更新时间： 2024-11-20 01:06:55

品牌	Logo	应用领域
技领 - ACTIVE-SEMI		/
页数	文件大小	规格书
44页	1040K
描述
Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors

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ACT8945AQJ305-T 数据手册

ACT8945A

Rev 6, 01-Feb-16

Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors

human-machine interfaces, control panels, smart grid

infrastructures, network gateways, M2M systems, 2D

FEATURES

barcode scanners, barcode printers, machine vision

 Three Step-Down DC/DC Converters

equipment, as well as home and commercial building

 Four Low-Dropout Linear Regulators

automations, POS terminals, medical devices and white

 Integrated ActivePath^TMCharger

goods. This device integrates the ActivePath^TM

complete battery charging and management system

with seven power supply channels.

 I²C^TMSerial Interface

 Advanced Enable/Disable Sequencing Controller

 Minimal External Components

 Tiny 5×5mm TQFN55-40 Package

0.75mm Package Height

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^TM

system-power selection function.

Pb-Free and RoHS Compliant

The three DC/DC converters utilize

a high-

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 ACT8945A is a complete, cost effective, highly-

efficient ActivePMU^TMpower management solution,

optimized for the unique power, voltage-

sequencing, and control requirements of the Atmel

SAMA5D2 ,SAMA5D3 series: SAMA5D[31/33/34/35/36],

and Atmel SAM9 series: SAM9G[15/25/35/45/46],

SAM9X[25/35], SAM9M[10/11], SAM9N[11/12]

processors. It is ideal for a wide range of high

performance portable handheld applications such as

The ACT8945A is available in a compact, Pb-Free

and RoHS-compliant TQFN55-40 package.

TYPICAL APPLICATION DIAGRAM

Atmel

SAMA5Dx

ACT8945A

Li+ Battery

CHGIN

ActivePath^TMCharger

Control

REG1

REG2

1150mA

1300mA

VDDIODDR etc.

1.8V

1.2V

3.3V

ISET

VDDCORE_GBIT ENET etc.

VDDIOP etc.

REG3

REG4

REG5

REG6

REG7

320mA

VDDFUSE

320mA

VDDANA

nSTAT

nPBIN

CHARGE

STATUS

Auxiliary 1

TWD

SDA

SCL

TWCK

PUSH BUTTON

NRST

FIQ/IRQ

GPIO

nRSTO

nIRQ

nPBSTAT

www.active-semi.com

- 1 -

ActivePMU^TMand ActivePath^TMare trademarks of Active-Semi.

I²C^TMis a trademark of NXP.

12 3 4 5 6 7...44

中文翻译

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ACT8945AQJ305-T 替代型号

型号	品牌	替代类型	描述	数据表
ACT8945AQJ303-T	ACTIVE-SEMI	完全替代	Advanced PMU for Atmel SAMA5D3 Series & SAM9 Series Processors

与ACT8945AQJ305-T相关器件

型号	品牌	获取价格	描述	数据表
ACT8945AQJ405-T	ACTIVE-SEMI	获取价格	Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors
ACT8946A	ACTIVE-SEMI	获取价格	Advanced PMU for Hisilicon Processors
ACT8946AQJ203-T	ACTIVE-SEMI	获取价格	Advanced PMU for Hisilicon Processors
ACT8CSV-4	ACT	获取价格	4 and 6 pad miniature SMD Voltage Controlled Crystal Oscillators
ACT8CSV-6	ACT	获取价格	4 and 6 pad miniature SMD Voltage Controlled Crystal Oscillators
ACT8MSV	ACT	获取价格	4/6-pad surface mount Voltage Controlled Crystal Oscillators (VCXO)
ACT8MSV-4	ACT	获取价格	4/6-pad surface mount Voltage Controlled Crystal Oscillators (VCXO)
ACT8MSV-6	ACT	获取价格	4/6-pad surface mount Voltage Controlled Crystal Oscillators (VCXO)
ACT90	ACT	获取价格	miniature surface mount Watch Crystal
ACT9000	ACT	获取价格	Plastic, SMD controlled clock oscillator.

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