ADT7473ARQZ-1RL ON Semiconductor, ADT7473ARQZ-1RL Datasheet - Page 54

• Manufacturer Part Number: ADT7473ARQZ-1RL
• Description: IC REMOTE THERMAL CTLR 16QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7473ARQZ-1RL

• 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: 16-QSOP
• Full Temp Accuracy: +/- 0.5 C
• Digital Output - Bus Interface: Serial (3-Wire, 4-Wire)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 16. ADT7473/ADT7473−1 Registers
Addr
0x3D
0x3E
0x4E
0x3F
0x40
0x41
0x42
0x46
0x47
0x48
0x49
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
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
Local Temp.
Local Temp.
Revision ID
Temp. High
Temp. High
ID Number
V
Temp. Low
Temp. Low
V
Register 1
Register 1
Register 2
Device ID
Company
V
Remote 1
Remote 1
High Limit
Remote 2
Remote 2
High Byte
High Byte
High Byte
Low Limit
Low Byte
Low Byte
Low Byte
V
Minimum
Minimum
Minimum
Minimum
Minimum
Minimum
Register
Register
Interrupt
Interrupt
CCP
CCP
TACH1
TACH1
TACH2
TACH2
TACH3
TACH3
Config.
CC
Desc
Status
Status
CC
Limit
Limit
Limit
Limit
Limit
Limit
Limit
Limit
High
Low
High
Low
ADT7473−1:
Latch Reset
ADT7473:
Bit 7
OOL
RES
D2
15
15
15
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
TODIS
Bit 6
R2T
D1
14
14
14
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
FSPDIS
Bit 5
F4P
LT
13
13
13
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
http://onsemi.com
Bit 4
FAN3
R1T
Vx1
54
12
12
12
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
FSPD
Bit 3
FAN2
RES
11
11
11
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Bit 2
FAN1
RDY
V
10
10
10
2
2
2
CC
2
2
2
2
2
2
2
2
2
2
2
2
2
LOCK
Bit 1
V
OVT
CCP
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
ADT7473−1:
Limit Latch
ADT7473:
THERM
STRT
Bit 0
RES
RES
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0x68/0
fault
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0x73
0x41
0x01
0x00
0x00
0x00
0x00
0x01
0x01
0x01
De-
x69
Lock-
able
Yes
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−