ADM1027ARQ-REEL ON Semiconductor, ADM1027ARQ-REEL Datasheet - Page 40

• Manufacturer Part Number: ADM1027ARQ-REEL
• Description: IC REMOTE THERMAL CTRLR 24-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADM1027ARQ-REEL

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 105°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP

ADM1027
Address
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x3D
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
R/W Description
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R
R
R
R/W
R
R
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
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Remote 1 Temp High Limit
2.5 V Reading
V
V
5 V Reading
12 V Reading
Remote 1 Temperature
Local Temperature
Remote 2 Temperature
TACH1 Low Byte
TACH1 High Byte
TACH2 Low Byte
TACH2 High Byte
TACH3 Low Byte
TACH3 High Byte
TACH4 Low Byte
TACH4 High Byte
PWM1 Current Duty Cycle
PWM2 Current Duty Cycle
PWM3 Current Duty Cycle
Device ID Register
Company ID Number
Revision Number
Configuration Register 1
Interrupt Status Register 1
Interrupt Status Register 2
VID Register
2.5 V Low Limit
2.5 V High Limit
V
V
V
V
5 V Low Limit
5 V High Limit
12 V Low Limit
12 V High Limit
Remote 1 Temp Low Limit
Local Temp Low Limit
Local Temp High Limit
Remote 2 Temp Low Limit
Remote 2 Temp High Limit
TACH1 Minimum Low Byte
TACH1 Minimum High Byte
TACH2 Minimum Low Byte
TACH2 Minimum High Byte
TACH3 Minimum Low Byte
TACH3 Minimum High Byte
TACH4 Minimum Low Byte
TACH4 Minimum High Byte
CCP
CC
CCP
CCP
CC
CC
Reading
Low Limit
High Limit
Reading
Low Limit
High Limit
Bit 7
9
9
9
9
9
9
9
9
7
15
7
15
7
15
7
15
7
7
7
7
7
VER
V
OOL
D2
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
15
7
15
7
15
7
15
CC
Table IV. ADM1027 Registers
Rev. 3 | Page 40 of 56 | www.onsemi.com
Bit 6
8
8
8
8
8
8
8
8
6
6
6
6
6
6
6
6
6
TODIS
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
14
14
14
14
VER
R2T
D1
6
6
14
14
14
14
Bit 5
7
7
7
7
7
7
7
7
5
13
5
13
5
13
5
13
5
5
5
5
5
VER
FSPDIS V ¥ I
LT
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
13
5
13
5
13
5
13
–40–
Bit 4
6
6
6
6
6
6
6
6
4
12
4
12
4
12
4
12
4
4
4
4
4
VER
R1T
FAN3 FAN2
VID4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
12
4
12
4
12
4
12
Bit 3
5
5
5
5
5
5
5
5
3
11
3
11
3
11
3
11
3
3
3
3
3
STP
FSPD
5 V
VID3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
11
3
11
3
11
3
11
Bit 2
4
4
4
4
4
4
4
4
2
10
2
10
2
10
2
10
2
2
2
2
2
STP
RDY
V
FAN1
VID2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10
2
10
2
10
2
10
CC
Bit 1
3
3
3
3
3
3
3
3
1
9
1
9
1
9
1
9
1
1
1
1
1
STP
LOCK
V
OVT
VID1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
CCP
Bit 0
2
2
2
2
2
2
2
2
0
8
0
8
0
8
0
8
0
0
0
0
0
STP
STRT
2.5 V
12 V
VID0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
Default
0x00
0x00
0x00
0x00
0x00
0x80
0x80
0x80
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0xFF
0xFF
0xFF
0x27
0x41
0x60
0x00
0x00
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x81
0x7F
0x81
0x7F
0x81
0x7F
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
Lockable?
Yes
REV. A