参数资料
| 型号： | ADT7468ZEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 44/81页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADT7468 |
| 标准包装： | 1 |
| 其它名称： | EVAL-ADT7468EB EVAL-ADT7468EB-ND |
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ADT7468
Mux Configuration Example
This is an example of how to configure the mux in a system
using the ADT7468 to control three fans. The CPU fan sink is
controlled by PWM1, the front chassis fan is controlled by
PWM2, and the rear chassis fan is controlled by PWM3. The
MUX is configured for the following fan control behavior:
Example Mux Settings
<7:5> (BHVR), PWM1 Configuration Register 0x5C.
101 = Fastest speed calculated by local and Remote 2
temperature controls PWM1
<7:5> (BHVR), PWM2 Configuration Register 0x5D.
?
?
?
PWM1 (CPU fan sink) is controlled by the fastest speed
calculated by the local (VRM temperature) and Remote 2
(processor) temperature. In this case, the CPU fan sink is
also being used to cool the VRM.
PWM2 (front chassis fan) is controlled by the Remote 1
temperature (ambient).
PWM3 (rear chassis fan) is controlled by the Remote 1
temperature (ambient).
000 = Remote 1 temperature controls PWM2
<7:5> (BHVR), PWM3 Configuration Register 0x5E.
000 = Remote 1 temperature controls PWM3
These settings configure the mux, as shown in Figure 57.
THERMAL CALIBRATION
100%
PWM
MIN
PWM
CONFIG
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT)
PWM
GENERATOR
PWM1
REMOTE 2 =
T MIN T RANGE
THERMAL CALIBRATION
0%
100%
MUX
PWM
MIN
TACHOMETER 1
MEASUREMENT
PWM
CONFIG
TACH1
CPU FAN SINK
CPU TEMP
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT)
PWM
GENERATOR
PWM2
T MIN
T RANGE
0%
PWM
TACHOMETER 2
MEASUREMENT
PWM
TACH2
LOCAL =
VRM TEMP
THERMAL CALIBRATION
100%
MIN
RAMP
CONFIG
FRONT CHASSIS
CONTROL
(ACOUSTIC
ENHANCEMENT)
PWM
GENERATOR
PWM3
T MIN
T RANGE
0%
TACHOMETER 3
AND 4
MEASUREMENT
TACH3
REMOTE 1 =
AMBIENT TEMP
REAR CHASSIS
Figure 57. Mux Configuration Example
Rev. 3 | Page 44 of 81 | www.onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADT7470 | 制造商:AD 制造商全称:Analog Devices 功能描述:Temperature Sensor Hub and Fan Controller |
| ADT7470_13 | 制造商:AD 制造商全称:Analog Devices 功能描述:Temperature Sensor Hub and Fan Controller |
| ADT7470ARQ | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (I2C) 16-Pin QSOP |
| ADT7470ARQ-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADT7470ARQ-REEL7 | 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (I2C) 16-Pin QSOP T/R |
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