參數(shù)資料
型號: ADT7476ARQZ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT
封裝: ROHS COMPLIANT, MO-137AE, QSOP-24
文件頁數(shù): 33/72頁
文件大?。?/td> 5219K
代理商: ADT7476ARQZ-REEL7
ADT7476
Rev. B | Page 39 of 72
REAR CHASSIS
FRONT CHASSIS
CPU FAN SINK
REMOTE 1 =
AMBIENT TEMP
LOCAL =
VRM TEMP
REMOTE 2 =
CPU TEMP
PWM1
PWM2
TACH1
TACH2
TACH3
PWM3
MUX
THERMAL CALIBRATION
0%
TMIN
TRANGE
THERMAL CALIBRATION
100%
0%
TMIN
TRANGE
THERMAL CALIBRATION
100%
0%
TMIN
TRANGE
PWM
MIN
PWM
MIN
PWM
MIN
100%
05382-049
PWM
GENERATOR
PWM
GENERATOR
TACHOMETER 3
AND 4
MEASUREMENT
TACHOMETER 1
MEASUREMENT
TACHOMETER 2
MEASUREMENT
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT)
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT)
RAMP
CONTROL
(ACOUSTIC
ENHANCEMENT)
PWM
GENERATOR
PWM
CONFIG
PWM
CONFIG
PWM
CONFIG
Figure 48. Hardware Configuration Example
Recommended Implementation 1
Configuring the ADT7476 as shown in Figure 49 provides the
system designer with the following features:
Six VID inputs (VID0 to VID5) for VRM10 support.
Two PWM outputs for fan control of up to three fans. The
front and rear chassis fans are connected in parallel.
Three TACH fan speed measurement inputs.
VCC measured internally through Pin 4.
CPU core voltage measurement (VCORE).
2.5 V measurement input used to monitor CPU current
(connected to VCOMP output of an ADP316x VRM controller).
This is used to determine CPU power consumption.
5 V measurement input.
VRM temperature using local temperature sensor.
CPU temperature measured using the Remote 1
temperature channel.
Ambient temperature measured through the Remote 2
temperature channel.
If not using VID5, it can be reconfigured as the 12 V
monitoring input.
Bidirectional THERM pin allows the monitoring of
PROCHOT output from an Intel Pentium 4 processor, for
example, or can be used as an overtemperature THERM
output.
SMBALERT system interrupt output.
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