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參數資料
| 型號： | ADM1034ARQZ |
| 廠商： | ON Semiconductor |
| 文件頁數： | 1/38頁 |
| 文件大小： | 427K |
| 描述： | IC THERM/FAN SPEED CTRLR 16-QSOP |
| 產品變化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation 30/Sept/2011 |
| 標準包裝： | 98 |
| 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： | -40°C ~ 125°C，外部傳感器 |
| 精確度： | ±1°C |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 管件 |
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?Semiconductor Components Industries, LLC, 2012
April, 2012 Rev. 4
1
Publication Order Number:
ADM1034/D
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.
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.
Features
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> 1 Local and 2 Remote Temperature Channels
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> ?/SPAN>1?/SPAN>C Accuracy on Local and Remote Channels
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Automatic Remote Temperature Channels, Up to 1 kW
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Fast (Up to 64 Measurements per Second)
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> SMBus 2.0, 1.1, and 1.0 Compliant
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> SMBus Address Input/LOCATION Input to UDID
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Programmable Over/Undertemperature Limits
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Programmable Fault Queue
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> SMBusALERT
Output
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Fail-Safe Overtemperature Comparator Output
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Fan Speed (RPM) Controller
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Look-up Table for Temperature-to-Fan Speed Control
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Linear and Discrete Options for Look-up Table
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> FAN_FAULT
Output
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> THERM
Input, Used to Time PROCHOT
Assertions
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> REF Input, Used as Reference for THERM
(PROCHOT
)
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> 3.0 V to 5.5 V Supply
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Small 16-lead QSOP Package
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> This is a Pb-Free Device*
Applications
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Desktop and Notebook PCs
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Embedded Systems
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> Telecommunications Equipment
?SPAN class="pst ADM1034ARQZ-REEL_2295499_4"> LCD Projectors
* 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 37 of this data sheet.
ORDERING INFORMATION
MARKING DIAGRAM
QSOP16
CASE 492
PIN ASSIGNMENT
(Top View)
ALERT
SCL
SDA
LOCATION
D2+
D1+
D1
D2
DRIVE1
TACH1
DRIVE2
TACH2
GND
V
CC
THERM
FAN_FAULT
/REF
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ADM1034
1034ARQZ = Specific Device Code
#
= Pb-Free Package
YY
= Date Code
WW
= Work Week
1034A
RQZ
#YYWW
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