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參數資料
| 型號： | ADT7460 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | dB COOL?? Remote Thermal Controller and Fan Controller |
| 中文描述： | 分貝很酷吧？？遠程熱控制器和風扇控制器 |
| 文件頁數： | 5/48頁 |
| 文件大小： | 695K |
| 代理商： | ADT7460 |
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REV. 0
ADT7460
–5–
PIN FUNCTION DESCRIPTIONS
Pin No. Mnemonic
Description
1
2
3
SCL
GND
V
CC
Digital Input (Open Drain). SMBus serial clock input. Requires SMBus pull-up.
Ground Pin for the ADT7460.
Power Supply. Can be powered by 3.3 V standby if monitoring in low power states is required. V
CC
is also
monitored through this pin. The ADT7460 can also be powered from a 5 V supply. Setting Bit 7 of
Configuration Register 1 (Reg. 0x40) rescales the V
CC
input attenuators to correctly measure a 5 V supply.
Digital Input (Open Drain). Fan tachometer input to measure speed of FAN 3. Can be reconfigured as an
analog input (AIN3) to measure the speed of 2-wire fans.
Digital Output (Open Drain). Requires 10 k
typical pull-up. Pulsewidth modulated output to control FAN 2 speed.
Digital Output (Open Drain). This pin may be reconfigured as an
SMBALERT
interrupt output to signal
out-of-limit conditions.
Digital Input (Open Drain). Fan tachometer input to measure speed of FAN 1. Can be reconfigured as an analog
input (AIN1) to measure the speed of 2-wire fans.
Digital Input (Open Drain). Fan tachometer input to measure speed of FAN 2. Can be reconfigured as an analog
input (AIN2) to measure the speed of 2-wire fans.
Digital I/O (Open Drain). Pulsewidth modulated output to control FAN 3/4 speed. Requires 10 k
typical pull-up.
If pulled low on power-up, this places the ADT7460 into Address Select mode, and the state of Pin 9 will
determine the ADT7460’s slave address.
Digital Input (Open Drain). Fan tachometer input to measure speed of FAN 4. Can be reconfigured as an analog
input (AIN4) to measure the speed of 2-wire fans.
If in Address Select mode, this pin determines the SMBus device address.
4
TACH3
5
PWM2
SMBALERT
6
TACH1
7
TACH2
8
PWM3
ADDRESS
ENABLE
TACH4
9
ADDRESS
SELECT
THERM
Alternatively, the pin may be reconfigured as a bidirectional
THERM
pin. Can be used to time and monitor
assertions on the
THERM
input. For example, can be connected to the
PROCHOT
output of Intel’s Pentium 4
processor or to the output of a trip point temperature sensor. Can be used as an output to signal overtemperature
conditions.
Cathode Connection to Second Thermal Diode
Anode Connection to Second Thermal Diode
Cathode Connection to First Thermal Diode
Anode Connection to First Thermal Diode
Analog Input. Monitors +2.5 V supply, typically a chipset voltage.
Digital Output (Open Drain). This pin may be reconfigured as an
SMBALERT
interrupt output to signal
out-of-limit conditions.
Digital Output (Open Drain). Pulsewidth modulated output to control FAN 1 speed. Requires 10 k
typical pull-up.
Digital I/O (Open Drain). SMBus bidirectional serial data. Requires SMBus pull up.
10
11
12
13
14
D2–
D2+
D1–
D1+
+2.5V
IN
SMBALERT
15
16
PWM1/XTO
SDA
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
ADT7460
TACH2
TACH1
PWM2/
SMBALERT
TACH3
SDA
SCL
GND
V
CC
PWM3/
ADDRESS ENABLE
TACH4/ADDRESS SELECT/
THERM
D2–
D2+
D1–
PWM1/XTO
2.5V/
SMBALERT
D1+
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| ADT7460ARQ | dB COOL?? Remote Thermal Controller and Fan Controller |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7460ARQ | 功能描述:IC REMOTE THRML/FAN CTRLR 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標準包裝:1 系列:- 功能:溫度監控系統（傳感器） 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:±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 |
| ADT7460ARQ-REEL | 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:dBCool® 標準包裝:1 系列:- 功能:溫度監控系統（傳感器） 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:±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 |
| ADT7460ARQ-REEL7 | 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:dBCool® 標準包裝:1 系列:- 功能:溫度監控系統（傳感器） 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:±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 |
| ADT7460ARQZ | 功能描述:馬達/運動/點火控制器和驅動器 THERMAL MGMT CNTRLR IC RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| ADT7460ARQZ-R7 | 制造商:ON Semiconductor 功能描述:Temp Sensor Digital Serial (3-Wire) 16-Pin QSOP T/R |
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