ADT7460ARQ ON Semiconductor, ADT7460ARQ Datasheet - Page 34

• Manufacturer Part Number: ADT7460ARQ
• Description: IC REMOTE THRML/FAN CTRLR 16QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7460ARQ

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

ADT7460
ADT7460 REGISTER SUMMARY
Tabl
Addre
0x20
0x22
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x3D
0x3E
0x3F
0x40
0x41
0x42
0x44
0x45
0x48
0x49
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
0x60
0x61
0x62
0x63
0x64
0x65
0x66
e 41
ss
. AD 7460 Registers
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
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
R/W
R/W
R/W
R/W
T
Description
2.5 V Reading
V
Remote 1 Temperature
Local Temperature
Remote 2 Temperature
TACH1
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
Remote 1 Operating Point
Local Temp Operating Point
Remote 2 Operating Point
Dynamic T
Dynamic T
Device ID Register
Company ID Number
Revision Number
Configuration Register 1
Interrupt Status Register 1
Interrupt Status Register 2
2.5 V L
2.5 V H
V
V
Remote 1 Temp Low Limit
Remote 1 Temp High 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
TACH4
TACH4
PWM1
Registe
PWM2 Configuration
Register
PWM3 Configuration
Register
Remote 1 T
Local T
Remote 2 T
Enhance Acoustics Reg. 1
Enhance Acoustics Reg. 2
PWM1 Min Duty Cycle
PWM2 Min Duty Cycle
PWM3 Min Duty Cycle
CC
CC
CC
Reading
Low
Hig
ow Limi
igh Limit
h Limit
Configuration
RANGE
Low Byte
Minimu
Minimum Low
Minimum High
r
Limit
MIN
MIN
/PWM 2 Freq.
RANGE
RANGE
Control Reg. 1
Control Reg. 2
t
m High Byte
/PWM 1 Freq.
/PWM 3 Freq.
Byte
Byte
Bit
9
9
9
9
9
7
15
7
15
7
15
7
15
7
7
7
7
7
7
R2T
CYR2
7
7
VER
V
OOL
D2
7
7
7
7
7
7
7
7
7
7
7
15
7
15
7
15
7
15
BHVR
BHVR
BHVR
RANGE
RANGE
RANGE
MIN3
EN2
7
7
7
CC
7
Bit
8
8
8
8
8
6
14
6
14
6
14
6
14
6
6
6
6
6
6
LT
CYR2
6
6
VER
TODIS
R2T
D1
6
6
6
6
6
6
6
6
6
6
6
14
6
14
6
14
6
14
BHVR
BHVR
BHVR
RANGE
RANGE
RANGE
MIN2
ACOU2
6
6
6
6
Bit
7
7
7
7
7
5
13
5
13
5
13
5
13
5
5
5
5
5
5
R1T
CYL
5
5
VER
FSPDIS
LT
5
5
5
5
5
5
5
5
5
5
5
5
13
5
13
5
13
5
13
BHVR
BHVR
BHVR
RANGE
RANGE
RANGE
MIN1
ACOU2
5
5
5
Rev. C | Page 34 of 52
5
Bit
6
6
6
6
6
4
12
4
12
4
12
4
12
4
4
4
4
4
4
PHTR
CYL
4
4
VER
RES
R1T
FAN3
4
4
4
4
4
4
4
4
4
4
4
12
4
12
4
12
4
12
INV
INV
INV
RANGE
RANGE
RANGE
SYNC
ACOU2
4
4
4
4
2
Bi
5
5
5
5
5
3
11
3
11
3
11
3
11
3
3
3
3
3
3
PHTL
CYL
3
3
STP
FSPD
RES
FAN2
3
3
3
3
3
3
3
3
3
3
3
11
3
11
3
11
3
11
SLOW
SLOW
SLOW
THRM
THRM
THRM
EN1
EN3
3
3
3
t 3
Bit
4
4
4
4
4
2
10
2
10
2
10
2
10
2
2
2
2
2
2
PHTR1
CYR1
2
2
STP
RDY
V
FAN1
2
2
2
2
2
2
2
2
2
2
2
10
2
10
2
10
2
10
SPIN
SPIN
SPIN
FREQ
FREQ
FREQ
ACOU
ACOU3
2
2
2
CC
2
Bit
3
3
3
3
3
1
9
1
9
1
9
1
9
1
1
1
1
1
1
V
CYR1
1
1
STP
LOCK
RES
OVT
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
SPIN
SPIN
SPIN
FREQ
FREQ
FREQ
ACOU
ACOU3
1
1
1
CC
RE
1
S
Bit
2
2
2
2
2
0
8
0
8
0
8
0
8
0
0
0
0
0
0
CYR2
CYR1
0
0
STP
STRT
2.5V
RES
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
SPIN
SPIN
SPIN
FREQ
FREQ
FREQ
ACOU
ACOU3
0
0
0
0
0x00
Defau
0x00
0x00
0x80
0x80
0x80
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0xFF
0xFF
0xFF
0x64
0x64
0x64
0x00
0x00
0x27
0x41
0x62 or
0x6A
0x00
0x00
0x00
0x00
0xFF
0x00
0xFF
0x81
0x7F
0x81
0x7F
0x81
0x7F
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0x62
0x62
0x62
0xC4
0xC4
0xC4
0x00
0x80
0x80
0x80
lt
Lock
YES
Y
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
ES
able?