ADM1029 datasheet(1/48 Pages) AD

部件名	ADM1029

功能描述	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems

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use, nor for any infringements of patents or other rights of third parties that

may result from its use. No license is granted by implication or otherwise

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Tel: 781/329-4700

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Fax: 781/326-8703

ADM1029*

Dual PWM Fan Controller and Temperature

Monitor for High Availability Systems

FUNCTIONAL BLOCK DIAGRAM

FAN 2 STATUS

REGISTER

INTERRUPT

MASKING

INTERRUPT MASK

REGISTERS

BANDGAP

REFERENCE

ANALOG

MUX

BANDGAP

TEMP SENSOR

ADC

ADD

AIN0/GPIO0

REMOTE SENSOR

SIGNAL

CONDITIONING

G.P. I/O REGISTER

VALUE AND LIMIT

REGISTERS

AIN1/GPIO1

D1+/GPIO4

D1–/GPIO3

LIMIT COMPARATOR

TACH1

TACH2

FAULT2

PRESENT2

FAULT1

PRESENT1

DRIVE1

DRIVE2

FAN SPEED

COUNTER

ADDRESS POINTER

REGISTER

GND

INT

CFAULT

D2–/GPIO5

D2+/GPIO6

RESET

GPIO2

TMIN/INSTALL

FAN 1 STATUS

REGISTER

SLAVE ADDRESS

REGISTER

SERIAL BUS

INTERFACE

SCL

SDA

VCC

INTERRUPT STATUS

REGISTERS

FAN 1 ALARM

SPEED REGISTER

FAN 1 MIN

SPEED REGISTER

PWM

CONTROLLER

FAN 1 HOT-PLUG

SPEED REGISTER

FAN 2 HOT-PLUG

SPEED REGISTER

FAN 2 ALARM

SPEED REGISTER

FAN 2 MIN

SPEED REGISTER

PWM

CONTROLLER

ADM1029

FEATURES

Software Programmable and Automatic Fan Speed

Control

Automatic Fan Speed Control Allows Control

Independent of CPU Intervention after Initial Setup

Control Loop Minimizes Acoustic Noise and Power

Consumption

Remote and Local Temperature Monitoring

Dual Fan Speed Measurement

Supports Backup and Redundant Fans

Supports Hot Swapping of Fans

Cascadable Fault Output Allows Fault Signaling

between Multiple ADM1029s

Address Pin Allows Up to Eight ADM1029s in A System

Small 24-Lead QSOP Package

APPLICATIONS

Network Servers and Personal Computers

Microprocessor-Based Office Equipment

High Availability Telecommunications Equipment

*Protected by U.S. Patent Numbers 6,255,973 and 6,188,189

类似零件编号 - ADM1029

制造商	部件名	数据表	功能描述
ON Semiconductor	ADM1029	1Mb / 50P	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems January 2009 - Rev. 1
	ADM1029ARQZ	1Mb / 50P	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems January 2009 - Rev. 1
	ADM1029ARQZ-R7	1Mb / 50P	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems January 2009 - Rev. 1

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