ADT7462ACPZ-REEL ON Semiconductor, ADT7462ACPZ-REEL Datasheet - Page 11

• Manufacturer Part Number: ADT7462ACPZ-REEL
• Description: IC TEMP/VOLT MONITOR 32-LFCSP
• Manufacturer: ON Semiconductor

Specifications of ADT7462ACPZ-REEL

• 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
• Number Of Voltages Monitored: 1
• Monitored Voltage: 0.9 V to 12 V
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Supply Current (typ): 4000 uA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Configuration Option 2
and fan control for Processor 1 and Processor 2 in a dual
processor system. It can also monitor one set of VIDs, if
required. Features of Configuration Option 2 include the
following:
•
•
•
•
•
•
Option 2 is chosen.
Configuration Option 2 is used for thermal monitoring
Figure 20 shows the pin configuration when Configuration
One local and three remote thermal channels
Up to four PWM drives and up to eight TACH inputs
(VID pins and TACHs/PWMs are muxed together)
Two THERM I/Os
Two VRD inputs
RESET I/O
Two V
CCP
TACH1
TACH2
TACH3
TACH4
TACH5
TACH6
Figure 20. Configuration Option 2
GND
V
CC
voltage monitoring channels
1
2
3
4
5
6
7
8
PIN 1
INDICATOR
(Not to Scale)
ADT7462
TOP VIEW
24
23
22
21
20
19
18
17
V
V
TACH8
TACH7
D3–
D3+
D2–
D2+
CCP2
CCP1
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11
Table 3. Configuration Option 2
†If VIDs are selected, these pins are configured as VIDs. To
28
31
32
Pin
13
15
16
19
20
21
22
23
24
25
26
27
29
1
2
3
4
7
8
enable VIDs, set Bit 7 of Pin Configuration Register 1 (0x10) = 1.
†
†
†
†
†
†
†
VR_HOT1
VR_HOT2
FAN2MAX
THERM1
THERM2
Function
TACH1
TACH2
TACH3
TACH4
TACH5
TACH6
TACH7
TACH8
PWM4
PWM1
PWM2
V
V
D1+
D1−
D3+
D3−
CCP1
CCP2
Configuration Register
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 4
Pin Configuration Reg 4
Pin Configuration Reg 4
Pin Configuration Reg 4
Bit 4 = 1
Bit 3 = 1
Bit 2 = 1
Bit 1 = 1
Bit 0 = 1
Bit 7 = 1
Bit 6 = 1
Bit 6 = 1
Bit 6 = 1
Bit 5 = 1
Bit 5 = 1
Bit 3 = 1
Bit 2 = 1
Bits [1:0] = 00
Bits [7:6] = 00
Bits [5:4] = 1×
Bits [3:2] = 1×
Bit 1 = 0
Bits [7:6] = 1×
Bits [5:4] = 1×
Bit 3 = 1
Bit 2 = 1
Bit Value