ADM1027ARQ ON Semiconductor, ADM1027ARQ Datasheet - Page 40
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ADM1027ARQ
Manufacturer Part Number
ADM1027ARQ
Description
IC THER CTRL VOLT/MONITOR 24QSOP
Manufacturer
ON Semiconductor
Series
dBCool®r
Datasheet
1.ADM1027ARQ.pdf
(56 pages)
Specifications of ADM1027ARQ
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADM1027ARQ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
ADM1027ARQZ
Manufacturer:
AD
Quantity:
8 852
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