ADM1034

更新时间： 2024-11-19 08:19:11

品牌	Logo	应用领域
安森美 - ONSEMI		风扇监控控制器
页数	文件大小	规格书
39页	415K
描述
Thermal Monitor and Fan Speed (RPM) Controller

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数据手册

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ADM1034 数据手册

ADM1034

Thermal Monitor and Fan

Speed (RPM) Controller

The ADM1034 is a dual−channel remote− and local−temperature

sensor and fan controller. The remote channels monitor the

temperature of two remote thermal diodes, which may be discrete

2N3904/6s or may be located on a microprocessor die. The device also

monitors its own ambient temperature.

http://onsemi.com

The ADM1034 can monitor and control the speed of two cooling

fans. The user can program a target fan speed, or else use the look−up

table to input a temperature−to−fan speed profile. The look−up table

can be configured to run the fans at discrete speeds (discrete mode) or

to ramp the fan speed with temperature (linear mode).

The ADM1034 communicates over a 2−wire SMBus 2.0 interface.

An 8−level LOCATION input allows the user to choose between

SMBus 1.1 and SMBus 2.0. An ALERT output indicates error

conditions. The THERM I/O signals overtemperature as an output and

times THERM assertions as an input. Pin 8 can be configured as a

reference for the THERM (PROCHOT) input.

MARKING

DIAGRAM

1034A

RQZ

#YYWW

QSOP−16

CASE 492

= Pb−Free Package

YYWW = Date Code

FEATURES

• 1 Local and 2 Remote Temperature Channels

•

1°C Accuracy on Local and Remote Channels

PIN ASSIGNMENT

• Automatic Remote Temperature Channels, Up to 1 kW

• Fast (Up to 64 Measurements per Second)

• SMBus 2.0, 1.1, and 1.0 Compliant

DRIVE1

TACH1

DRIVE2

TACH2

GND

SCL

SDA

ALERT

LOCATION

D2+

• SMBus Address Input/LOCATION Input to UDID

• Programmable Over/Undertemperature Limits

• Programmable Fault Queue

• SMBusALERT Output

• Fail−Safe Overtemperature Comparator Output

• Fan Speed (RPM) Controller

ADM1034

D2–

THERM

¹⁰D1+

D1−

FAN_FAULT/REF

(Top View)

• Look−Up Table for Temperature−to−Fan Speed Control

• Linear and Discrete Options for Look−Up Table

• FAN_FAULT Output

• THERM Input, Used to Time PROCHOT Assertions

• REF Input, Used as Reference for THERM (PROCHOT)

• 3.0 V to 5.5 V Supply

• Small 16−Lead QSOP Package

• This is a Pb−Free Device

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 38 of this data sheet.

APPLICATIONS

• Desktop and Notebook PCs

• Embedded Systems

• Telecommunications Equipment

• LCD Projectors

Publication Order Number:

July, 2009 − Rev. 3

ADM1034/D

12 3 4 5 6 7...39

中文翻译

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与ADM1034相关器件

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ADM1034ARQ	ONSEMI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16
ADM1034ARQ-REEL	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1034ARQ-REEL	ONSEMI	获取价格	暂无描述
ADM1034ARQ-REEL7	ONSEMI	获取价格	暂无描述
ADM1034ARQZ	ONSEMI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1034ARQZ-R7	ONSEMI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO16, LEAD FREE, MO-137AB, QSOP-16
ADM1034ARQZ-REEL	ONSEMI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1040	ADI	获取价格	Power Supply Monitor ASIC
ADM1041	ADI	获取价格	Secondary-Side Controller with Current Share and Housekeeping
ADM1041A	ADI	获取价格	Secondary-Side Controller with Current Share and Housekeeping

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