EA8865QI305 datasheet(1/31 Pages) ACTIVE-SEMI

部件名	EA8865QI305

功能描述	Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors

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制造商	ACTIVE-SEMI [Active-Semi, Inc]

网页	http://www.active-semi.com

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ACT8865

FEATURES

 Three Step-Down DC/DC Converters

 Four Low-Dropout Linear Regulators

 I2CTM Serial Interface

 Advanced Enable/Disable Sequencing Controller

 Minimal External Components

 Tiny 4×4mm TQFN44-32 Package

0.75mm Package Height

Pb-Free and RoHS Compliant

GENERAL DESCRIPTION

The ACT8865 is a complete, cost effective, highly-

efficient ActivePMUTM power management solution,

optimized for the unique power, voltage-

sequencing, and control requirements of the Atmel

SAMA5D2 series ,SAMA5D3 series: SAMA5D

[31/33/34/35/36], and 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 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 automations, POS terminals,

medical devices and white goods.

This device features three step-down DC/DC

converters and four low-noise, low-dropout linear

regulators.

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 1150mA of output

current, while the third supports up to 1300mA. All

four low-dropout linear regulators are high-

performance, low-noise, regulators that supply up to

320mA.

The ACT8865 is available in a compact, Pb-Free

and RoHS-compliant TQFN44-32 package.

TYPICAL APPLICATION DIAGRAM

Rev 7, 22-Mar-16

Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors

ACT8865

nPBIN

REG1

REG2

REG3

REG4

REG5

REG6

REG7

SDA

nRSTO

nIRQ

nPBSTAT

1.2V

3.3V

VDDIODDR etc.

VDDIOP etc.

VDDFUSE

VDDANA

Auxiliary 1

TWD

TWCK

GPIO

FIQ/IRQ

NRST

1.8V

1150mA

1300mA

320mA

PUSH BUTTON

SCL

Atmel

SAMA5Dx

VDDCORE_GBIT ENET etc.

- 1 -

www.active-semi.com

ActivePMUTM is a trademark of Active-Semi.

I2CTM is a trademark of NXP.

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