ADT7473 datasheet(1/74 Pages) ONSEMI

부품명	ADT7473

상세설명	dBCOOL Remote Thermal Monitor and Fan Control

PDF	74 Pages

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제조업체	ONSEMI [ON Semiconductor]

홈페이지	http://www.onsemi.com

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April, 2009 − Rev. 6

1

Publication Order Number:

ADT7473/D

ADT7473

dBCOOLR Remote Thermal

Monitor and Fan Control

The ADT7473/ADT7473−1 dBCOOL controller is a thermal

monitor and multiple PWM fan controller for noise sensitive or power

sensitive applications requiring active system cooling. The

ADT7473/ADT7473−1 can drive a fan using either a low or high

frequency drive signal, monitor the temperature of up to two remote

sensor diodes plus its own internal temperature, and measure and

control the speed of up to four fans so they operate at the lowest

possible speed for minimum acoustic noise.

The automatic fan speed control loop optimizes fan speed for a

given temperature. A unique dynamic TMIN control mode enables the

system thermals/acoustics to be intelligently managed. The

effectiveness of the system’s thermal solution can be monitored using

the THERM input. The ADT7473/ADT7473−1 also provide critical

thermal protection to the system using the bidirectional THERM pin

as an output to prevent system or component overheating.

FEATURES

• Controls and Monitors Up to 4 Fans

• High and Low Frequency Fan Drive Signal

• 1 On−Chip and 2 Remote Temperature Sensors

• Series Resistance Cancellation on the Remote Channel

• Extended Temperature Measurement Range, Up to 191°C

• Dynamic TMIN Control Mode Intelligently Optimizes System

Acoustics

• Automatic Fan Speed Control Mode Controls System Cooling Based

on Measured Temperature

• Enhanced Acoustic Mode Dramatically Reduces User Perception of

Changing Fan Speeds

• Thermal Protection Feature via THERM Output

• Monitors Performance Impact of Intel PentiumR 4 Processor

• Thermal Control Circuit via THERM Input

• 3−Wire and 4−Wire Fan Speed Measurement

• Limit Comparison of All Monitored Values

• Meets SMBus 2.0 Electrical Specifications

(Fully SMBus 1.1 Compliant)

• This is a Pb−Free Device

• Fully RoHS Compliant

MARKING DIAGRAMS

http://onsemi.com

PIN ASSIGNMENTS

#

= Pb−Free Package

YYWW = Date Code

xx

= Assembly Lot

See detailed ordering and shipping information in the package

dimensions section on page 73 of this data sheet.

ORDERING INFORMATION

12

11

10

9

D1–

D2+

D2–

16

15

14

13

SDA

PWM1/XTO

VCCP

D1+

5

6

7

8

TACH1

TACH2

PWM3

1

2

3

4

SCL

GND

VCC

TACH3

ADT7473

TOP VIEW

PWM2/

SMBALERT

TACH4/GPIO/THERM

SMBALERT

12

11

10

9

D1–

D2+

D2–

16

15

14

13

SDA

PWM1/XTO

VCCP

D1+

5

6

7

8

TACH1

TACH2

1

2

3

4

SCL

GND

VCC

TACH3/

ADDR SELECT

ADT7473−1

TOP VIEW

THERM_LATCH/

PWM2

PWM3/ADDREN

TACH4/GPIO/THERM

SMBALERT

ADT747

3ARQZ

#YYWW

xxxx

QSOP−16

CASE 492

ADT7473

ADT7473−1

ADT

7473−1

ARQZ

xxxx

유사한 부품 번호 - ADT7473

제조업체	부품명	데이터시트	상세설명
Analog Devices	ADT7473	1Mb / 76P	dBCool Remote Thermal Monitor and Fan Controller 2/06-Rev. 0 to Rev. A.
ON Semiconductor	ADT7473	1Mb / 74P	dbCOOL Remote Thermal Monitor and Fan Control October, 2011 ??Rev. 7
ON Semiconductor	ADT7473	627Kb / 73P	Remote Thermal Monitor and Fan Control April, 2015 ??Rev. 10
Analog Devices	ADT7473ARQZ	1Mb / 76P	dBCool Remote Thermal Monitor and Fan Controller 2/06-Rev. 0 to Rev. A.
ON Semiconductor	ADT7473ARQZ-1RL	627Kb / 73P	Remote Thermal Monitor and Fan Control April, 2015 ??Rev. 10

More results

유사한 설명 - ADT7473

제조업체	부품명	데이터시트	상세설명
Analog Devices	ADT7467	1Mb / 80P	dBCool Remote Thermal Monitor and Fan Controller 4/04-Revision 0
	ADT7473	1Mb / 76P	dBCool Remote Thermal Monitor and Fan Controller 2/06-Rev. 0 to Rev. A.
	ADT7475	1Mb / 68P	dBCool Remote Thermal Monitor and Fan Controller 2/06-Rev. 0 to Rev. A
ON Semiconductor	ADT7460	645Kb / 46P	dBCOOL Remote Thermal Monitor and Fan Controller June, 2010 ??Rev. 5
	ADT7467	938Kb / 77P	dBCool Remote Thermal Monitor and Fan Controller January 2008 ??Rev. 3
	ADT7475	654Kb / 58P	dBCOOL Remote Thermal Monitor and Fan Controller June, 2009 ??Rev. 4
	ADT7473	1Mb / 74P	dbCOOL Remote Thermal Monitor and Fan Control October, 2011 ??Rev. 7
	ADT7475_1110	639Kb / 58P	dbCOOL Remote Thermal Monitor and Fan Controller October, 2011 ??Rev. 5
	ADT7473	627Kb / 73P	Remote Thermal Monitor and Fan Control April, 2015 ??Rev. 10
	ADT7473	624Kb / 73P	Remote Thermal Monitor and Fan Control November, 2016 ??Rev. 11

More results

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