ADT7462ACPZ-REEL7 ON Semiconductor, ADT7462ACPZ-REEL7 Datasheet - Page 67
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ADT7462ACPZ-REEL7
Manufacturer Part Number
ADT7462ACPZ-REEL7
Description
IC TEMP/VOLT MONITOR 32-LFCSP
Manufacturer
ON Semiconductor
Datasheet
1.ADT7462ACPZ-5RL7.pdf
(81 pages)
Specifications of ADT7462ACPZ-REEL7
Function
Fan Control, Temp Monitor
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
-40°C ~ 125°C, External Sensor
Output Type
SMBus™
Output Alarm
No
Output Fan
Yes
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
32-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1. POR = 0x37, Lock = Y, SW Reset = Y.
1. POR = 0x00, Lock = Y, SW Reset = Y.
1. POR = 0x00, Lock = Y, SW Reset = Y.
Table 51. Register 0x19 — Voltage Attenuator Configuration 2
Table 52. Register 0x1A — Enhanced Acoustics Register 1
Table 53. Register 0x1B — Enhanced Acoustics Register 2
[7:6]
[4:2]
[7:5]
[4:2]
[7:5]
Bit
Bit
Bit
0
1
2
3
4
5
0
1
0
1
Attenuator Pin 23
Attenuator Pin 24
Attenuator Pin 25
Attenuator Pin 28
Attenuator Pin 29
Ramp Rate 1
Ramp Rate 2
Ramp Rate 3
Ramp Rate 4
Mnemonic
Mnemonic
Reserved
Reserved
Name
En1
En2
En3
En4
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Time Slot Increase
Time Slot Increase
Setting this bit to 1 enables the enhanced acoustics mode for PWM3; 0 disables it. Default = 0.
Setting this bit to 1 enables the enhanced acoustics mode for PWM4; 0 disables it. Default = 0.
These bits set the ramp rate for the enhanced acoustics mode for PWM3. Default = 000.
000 = 1
010 = 3
100 = 8
110 = 24
These bits set the ramp rate for the enhanced acoustics mode for PWM4. Default = 000.
000 = 1
010 = 3
100 = 8
110 = 24
Time Slot Increase
Time Slot Increase
Setting this bit to 0 removes the attenuators for Pin 23. Default = 1 = attenuators enabled.
Setting this bit to 0 removes the attenuators for Pin 24. Default = 1 = attenuators enabled.
Setting this bit to 0 removes the attenuators for Pin 25. Default = 1 = attenuators enabled.
Reserved for future use. Default = 0.
Setting this bit to 0 removes the attenuators for Pin 28. Default = 1 = attenuators enabled.
Setting this bit to 0 removes the attenuators for Pin 29. Default = 1 = attenuators enabled.
Reserved for future use. Default = 00.
Setting this bit to 1 enables the enhanced acoustics mode for PWM1; 0 disables it. Default = 0.
Setting this bit to 1 enables the enhanced acoustics mode for PWM2; 0 disables it. Default = 0.
These bits set the ramp rate for the enhanced acoustics mode for PWM1. Default = 000.
000 = 1
010 = 3
100 = 8
110 = 24
These bits set the ramp rate for the enhanced acoustics mode for PWM2. Default = 000.
000 = 1
010 = 3
100 = 8
110 = 24
http://onsemi.com
001 = 2
011 = 5
101 = 12
111 = 48
001 = 2
011 = 5
101 = 12
111 = 48
001 = 2
011 = 5
101 = 12
111 = 48
001 = 2
011 = 5
101 = 12
111 = 48
67
(Note 1)
Time for 33% to 100%
Time for 33% to 100%
Time for 33% to 100%
Time for 33% to 100%
35 sec
11.8 sec
4.4 sec
1.6 sec
35 sec
11.8 sec
4.4 sec
1.6 sec
37.5 sec
12.5 sec
4.7 sec
1.6 sec
35 sec
11.8 sec
4.4 sec
1.6 sec
Description
Description
Description
17.6 sec
7.0 sec
3.0 sec
0.8 sec
17.6 sec
7.0 sec
3.0 sec
0.8 sec
18.8 sec
7.5 sec
3.1 sec
0.8 sec
17.6 sec
7.0 sec
3.0 sec
0.8 sec