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參數(shù)資料
| 型號： | ADM1027ARQZ-RL7 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 29/56頁 |
| 文件大小： | 1822K |
| 描述： | IC REMOTE THERMAL CTLR 24QSOP |
| 產(chǎn)品變化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation Notice 25/Aug/2008 Product Obsolescence 30/Sept/2009 |
| 標準包裝： | 1,000 |
| 系列： | dBCool® |
| 功能： | 風扇控制，溫度監(jiān)控器 |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應溫度： | 0°C ~ 105°C，外部傳感器 |
| 精確度： | ±1°C |
| 拓撲： | ADC，比較器，風扇速度計數(shù)器，多路復用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 無 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 105°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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REV. A
ADM1027
29
Step 2
Configuring the Mux: Which Temperature Controls Which Fan?
Having decided on the system hardware configuration, the fans
can be assigned to particular temperature channels. Not only
can fans be assigned to individual channels, but how a fan
behaves is configurable. For example, fans can run under
automatic fan control, manually (software control), or can run
at the fastest speed calculated by multiple temperature channels.
The MUX is the bridge between temperature measurement
channels and the three PWM outputs.
Bits <7:5> (BHVR bits) of Registers 0x5C, 0x5D, and 0x5E
(PWM configuration registers) control the behavior of the fans
connected to the PWM1, PWM2, and PWM3 outputs. The
values selected for these bits determine how the MUX connects
a temperature measurement channel to a PWM output.
Automatic Fan Control Mux Options
<7:5> (BHVR) REGISTERS 0x5C, 0x5D, 0x5E
000 = Remote 1 temp controls PWMx
001 = Local temp controls PWMx
010 = Remote 2 temp controls PWMx
101 = Fastest speed calculated by local and remote 2 temp
controls PWMx
110 = Fastest speed calculated by all three temperature channels
controls PWMx
The fastest speed calculated options refer to the ability to con-
trol one PWM output based on multiple temperature channels.
While the thermal characteristics of the three temperature zones
can be set up differently, they can drive a single fan. An example
would be if the fan turns on when Remote 1 temp exceeds 60rC
or local temp exceeds 45rC.
Other Mux Options
<7:5> (BHVR) REGISTERS 0x5C, 0x5D, 0x5E
011 = PWMx runs full-speed (default).
100 = PWMx disabled.
111 = Manual Mode. PWMx is run under software control. In
this mode, PWM duty cycle registers (Reg. 0x30 to 0x32) are
writable and control the PWM outputs.
REMOTE 1 =
AMBIENT TEMP
LOCAL =
VRM TEMP
REMOTE 2 =
CPU TEMP
PWM1
TACH1
CPU
FANSINK
FRONT
CHASSIS
REAR
CHASSIS
PWM3
TACH3
PWM2
TACH2
MUX
TACHOMETER 1
MEASUREMENT
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT
TACHOMETER 2
MEASUREMENT
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT
TACHOMETERS 3
AND 4
MEASUREMENT
PWM
GENERATOR
PWM
GENERATOR
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT
PWM
GENERATOR
PWM
CONFIG
PWM
MIN
MUX
THERMAL CALIBRATION
100%
0%
T
MIN
T
RANGE
THERMAL CALIBRATION
100%
0%
T
MIN
T
RANGE
THERMAL CALIBRATION
100%
0%
T
MIN
T
RANGE
PWM
MIN
PWM
MIN
PWM
CONFIG
PWM
CONFIG
Figure 28. Assigning Temperature Channels to Fan Channels
Rev. 3 | Page 29 of 56 | www.onsemi.com
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PDF描述 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADM1027ARQZ-RL71 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:dBCOOLa?￠ Remote Thermal Controller and Voltage Monitor |
| ADM1028 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Remote Thermal Diode Monitor with Linear Fan Control |
| ADM1028ARQ | 功能描述:IC SENSOR TEMP/FAN CTRL 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠程（最大值） 拓撲:ADC，比較器，寄存器庫 輸出類型:2 線 SMBus? 輸出警報:無 輸出風扇:無 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應商設備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
| ADM1028ARQ-REEL7 | 制造商:Rochester Electronics LLC 功能描述:TDM + LINEAR FAN CONTROL I.C. - Tape and Reel |
| ADM1029 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual PWM Fan Controller and Temperature Monitor for High Availability Systems |
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