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| 型號： | AMC6821 |
| 英文描述： | Analog Monitor and Control Circuit |
| 中文描述： | 模擬監(jiān)視和控制電路 |
| 文件頁數(shù)： | 18/47頁 |
| 文件大?。?/td> | 547K |
| 代理商： | AMC6821 |
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P
PWM_OUT
2s
2s
2s
TACH/AIN
INT
FAN_FAULT
Full-Speed
Continuing
TACH Failure
Status Register Read to Clear Interrupt
Fourth TACH Failure
Fifth TACH
Failure
Third TACH Failure
FAN-FAULT PIN
The FAN-FAULT pin is an open-drain output pin, as shown in
Figure 12
. When the FAN-FAULT-EN bit of
Configuration Register 1
is cleared ('1'), this pin is disabled and is always in a high-impedance status. When
FAN-FAULT-EN = 1, the pin is enabled and the status indicates a fan-failure. The pin asserts low when a fan
failure occurs. FAN-FAULT is negated when the fan returns to normal speed.
FAN-FAULT
+V
10k
W
AMC6821
Fan Failure
(below minimum speed
after fifth spin-up)
Pin is Enabled
AUL -EN bit = 1)
AN-F
T
(F
AMC6821
SBAS386A–MAY 2006–REVISED MAY 2006
The SMBALERT pin continues to generate interrupts after the assertion of the FAN-FAULT pin because the tach
measurement continues even after a fan failure. Should the fan recover from the failure condition, the
FAN-FAULT pin signal is negated and the fan returns to normal operating speed.
Figure 11
shows the operation
of a FANS interrupt.
Figure 11. Operation of the FAN-FAULT Pin with a Spin-Up Time = 2 Seconds
(INT is a Fan-Slow (FANS) Interrupt Through the SMBALERT Pin)
Figure 12. FAN-FAULT Pin
18
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AMC6821EVM | 功能描述:溫度傳感器開發(fā)工具 ANA MONITOR RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| AMC6821EVM-PDK | 功能描述:溫度傳感器開發(fā)工具 THERMAL MGMT RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| AMC6821-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:INTELLIGENT TEMPERATURE MONITOR AND PWM FAN CONTROLLER |
| AMC6821SDBQ | 功能描述:馬達/運動/點火控制器和驅動器 Temp Monitoring and Fan Ctrl RoHS:否 制造商:STMicroelectronics 產(chǎn)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 |
| AMC6821SDBQG4 | 功能描述:馬達/運動/點火控制器和驅動器 Temp Monitoring and Fan Ctrl RoHS:否 制造商:STMicroelectronics 產(chǎn)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 |
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