參數(shù)資料
型號: AMC6821SDBQR
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): 19/47頁
文件大?。?/td> 547K
代理商: AMC6821SDBQR
www.ti.com
P
FAN CONTROL
THERM Pin and External Hardware Control
THERM
THERM-FAN-EN
Drive Fan at Full-Speed
(Drive fan at full-speed when THERM-IN = 1)
THERM-IN bit
Output
Latch
Set
Reset
L-THERM Bit
(Set to ‘1’ when the local temperature is
greater than the Local-THERM-Limit.)
R-THERM Bit
(Set to ‘1’ when the remote temperature is
greater than the Remote-THERM-Limit.)
Local temperature is less than (Local-THERM-Limit
5 C)
-
°
Output
Latch
Set
Reset
Remote temp
(Remote-THERM-Limit
5 C)
- °
erature is less than
AMC6821
SBAS386A–MAY 2006–REVISED MAY 2006
The THERM pin is a bi-direction I/O, as shown in
Figure 13
.
THERM Pin As An Output
As an open-drain output, the THERM pin is the indicator of temperature over the THERM limit. When the remote
temperature exceeds the Remote-THERM-Limit, or when the local temperature is greater than the
Local-THERM-Limit, the THERM pin goes low and remains low until the measured temperature falls 5
°
C below
the exceeded THERM limit.
Figure 13. Structure of the THERM Pin
19
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