ADT7473 Analog Devices, Inc., ADT7473 Datasheet - Page 46

• Manufacturer Part Number: ADT7473
• Description: Dbcool Remote Thermal Monitor And Fan Controller
• Manufacturer: Analog Devices, Inc.

ADT7473
Enhance Acoustics Register 1 (0x62)
Bit 7 (MIN3) = 0, PWM3 is off (0% PWM duty cycle) w
temperature is below T
Bit 7 (MIN3) = 1, PWM3 runs at PWM3 minimum duty cy
below T
Bit 6 (MIN2) = 0, PWM2 is off (0% PWM duty cy
temperature is below T
MIN
− T
AMBIENT TEMP
HYST
REMOTE 2 =
REMOTE 1 =
VRM TEMP
CPU TEMP
.
LOCAL =
100%
0%
MIN
MIN
− T
− T
THERMAL CALIBRATION
THERMAL CALIBRATION
THERMAL CALIBRATION
HYST
HYST
T
T
T
T
MIN
MIN
MIN
MIN
.
.
Figure 60. The T
T
RANGE
T
T
T
RANGE
RANGE
RANGE
T
HYST
100%
100%
100%
THERM
0%
0%
0%
cle) when
Value A
hen
MUX
pplies to Fan On/Off Hysteresis and TH
cle
Rev. A | Page 46 of 76
PWM
PW
PW
MIN
MIN
MIN
Bit 6 (MIN2) = 1, PWM2 runs at PWM2 minimum duty cycle
below T
Bit 5 (MIN1) = 0, PWM1 is off (0% PWM duty cycle) when
temperature is below T
Bit 5 (MIN1) = 1, PWM1 runs at PWM1 minimum duty cycle
below T
M
M
ENHANCEMENT)
ENHANCEMENT)
TACHOMETER
M
TACHOMETER
MEASUREMEN
ENHANCEMENT)
TACHOMETER
MEASUREMEN
EASUREMEN
(ACOUSTIC
(ACOUSTIC
(ACOUSTIC
CONTROL
CONTROL
CONT
MIN
MIN
RAMP
RAMP
AND 4
RAM
ROL
− T
− T
P
HYST
HYST
T
T
1
2
T
3
ERM
.
.
GENERATOR
GENERATOR
GENERATOR
Hysteresis
CONFIG
CONFIG
CONFIG
MIN
PWM
PWM
PWM
PWM
PWM
PWM
− T
HYST
.
PWM1
TACH1
PWM2
TACH2
PWM3
TACH3
FRONT CHASSIS
REAR CHASSIS
CPU FAN SINK