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參數資料
| 型號： | ADM1029ARQZ-R7 |
| 廠商： | ON Semiconductor |
| 文件頁數： | 1/50頁 |
| 文件大小： | 402K |
| 描述： | IC SENSOR 2TEMP/FAN CTRL 24QSOP |
| 產品變化通告： | QSOP 24ld Pkg (MSL) Change 17/Jun/2010 |
| 標準包裝： | 1,000 |
| 功能： | 風扇控制，溫度監控器 |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | 0°C ~ 100°C，外部傳感器 |
| 精確度： | ±1°C 本地，±3°C 遠程 |
| 拓撲： | ADC，風扇控制，寄存器庫 |
| 輸出類型： | 開路漏極 |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 100°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
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?Semiconductor Components Industries, LLC, 2012
April, 2012 Rev. 2
1
Publication Order Number:
ADM1029/D
ADM1029
Dual PWM Fan Controller
and Temperature Monitor for
High Availability Systems
The ADM1029 is a versatile fan controller and monitor for use in
personal computers, servers, telecommunications equipment, or any
high-availability system where reliable control and monitoring of
multiple cooling fans is required. Each ADM1029 can control the
speed of one or two fans and can measure the speed of fans that have a
tachometer output. The ADM1029 can also measure the temperature
of one or two external sensing diodes or an internal temperature
sensor, allowing fan speed to be adjusted to keep system temperature
within acceptable limits. The ADM1029 has FAULT inputs for use
with fans that can signal failure conditions, and inputs to detect
whether or not fans are connected.
The ADM1029 communicates with the host processor over an
System Management (SMBus) serial bus. It supports eight different
serial bus addresses, so that up to eight devices can be connected to a
common bus, controlling up to sixteen fans. This makes software
support and hardware design scalable.
The ADM1029 has an interrupt output (INT
) that allows it to signal
fault conditions to the host processor. It also has a separate, cascadable
fault output (CFAULT
) that allows the ADM1029 to signal a fault
condition to other ADM1029s.
The ADM1029 has a number of useful features including an
automatic fan speed control option implemented in hardware with no
software requirement, automatic use of backup fans in the event of fan
failure, and supports hot-swapping of failed fans.
Features
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Software Programmable and Automatic Fan Speed Control
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Automatic Fan Speed Control Allows Control
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Independent of CPU Intervention after Initial Setup
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Control Loop Minimizes Acoustic Noise and Power Consumption
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Remote and Local Temperature Monitoring
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Dual Fan Speed Measurement
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Supports Backup and Redundant Fans
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Supports Hot Swapping of Fans
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Cascadable Fault Output Allows Fault Signaling between Multiple
ADM1029s
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Address Pin Allows Up to Eight ADM1029s in A System
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Small 24-lead QSOP Package
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> This is a Pb-Free Device*
Applications
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Network Servers and Personal Computers
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> Microprocessor-based Office Equipment
?SPAN class="pst ADM1029ARQZ-R7_2295375_4"> High Availability Telecommunications Equipment
* For additional information on our Pb-Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 49 of this data sheet.
ORDERING INFORMATION
1029ARQZ
= Special Device Code
#
= Pb-Free Package
YYWW
= Date Code
MARKING DIAGRAM
QSOP 24
CASE 492B
1029ARQZ
#YYWW
ADM1029
Top View
(Not To Scale)
DRIVE2
FAULT2
TACH2
AIN1/GPIO1
PRESENT2
AIN0/GPIO0
TMIN/INSTALL
D2+/GPIO6
D2/GPIO5
ADD
D1+/GPIO4
D1/GPIO3
DRIVE1
FAULT1
TACH1
PRESENT1
SCL
SDA
GND
V
CC
CFAULT
INT
GPIO2
RESET
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
PIN ASSIGNMENT
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