ADT7476AARQZ-REEL ON Semiconductor, ADT7476AARQZ-REEL Datasheet - Page 47

• Manufacturer Part Number: ADT7476AARQZ-REEL
• Description: IC REMOTE THERMAL CTRLR 24-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7476AARQZ-REEL

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, 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 ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 14. ADT7476A Registers
Addr
0x2C
0x2D
0x3D
0x4C
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2E
0x2F
0x30
0x31
0x32
0x38
0x39
0x3A
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
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
R
R
R
R
R
R
R
R
R
R
R
R
R
R
V
2.5 V High Limit
V
5.0 V High Limit
2.5 V Low Limit
5.0 V Low Limit
PWM1 Current
PWM2 Current
PWM3 Current
Interrupt Status
Interrupt Status
V
12 V Low Limit
V
Configuration
CCP
Temperature
Temperature
TACH1 High
TACH2 High
TACH3 High
TACH4 High
Company ID
CCP
TACH1 Low
TACH2 Low
TACH3 Low
TACH4 Low
PWM1 Max
PWM2 Max
PWM3 Max
CC
Revision ID
CC
Duty Cycle
Duty Cycle
Duty Cycle
Duty Cycle
Duty Cycle
Duty Cycle
Register 1
Register 1
Register 2
VID/GPIO
Remote 2
Device ID
Register
Number
Desc
Local
High Limit
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Low Limit
High Limit
Low Limit
VIDSEL
Bit 7
OOL
RES
D2
15
15
15
15
9
9
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
TODIS
THLD
Bit 6
R2T
D1
14
14
14
14
8
8
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
FSPDIS
VID 5
Bit 5
F4P
http://onsemi.com
13
13
13
13
LT
7
7
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
GPIO4
47
FAN3
VID4/
Bit 4
R1T
Vx1
12
12
12
12
6
6
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
GPIO3
FSPD
Bit 3
5.0 V
FAN2
VID3/
11
11
11
11
5
5
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
GPIO2
FAN1
VID2/
Bit 2
RDY
V
10
10
10
10
4
4
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
CC
GPIO1
LOCK
V
VID1/
Bit 1
OVT
CCP
3
3
1
9
1
9
1
9
1
9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
12 V/VC
THERM
GPIO 0
VID 0/
STRT
2.5 V/
Bit 0
2
2
0
8
0
8
0
8
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
fault
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0x6B
0x1F
0xFF
0xFF
0xFF
0xFF
0x80
0x80
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x76
0x41
0x04
0x00
0x00
0x00
0x00
0x00
0x00
0x00
De-
Lock-
able
Yes
Yes
Yes
Yes
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−