ADT7475ARQZ ON Semiconductor, ADT7475ARQZ Datasheet - Page 42

• Manufacturer Part Number: ADT7475ARQZ
• Description: IC REMOTE THERMAL CTRLR 16-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7475ARQZ

• 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 11. ADT7475 Registers
Addr
0x4E
0x4F
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
0x49
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x60
0x61
0x62
0x63
0x64
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
Configuration
Configuration
PWM1 Freq
PWM2 Freq
PWM3 Freq
Local Temp
Local Temp
TACH1 Min
TACH2 Min
TACH3 Min
TACH4 Min
PWM1 Min
Temp High
Temp High
Duty Cycle
Temp Low
Temp Low
High Limit
Remote 1
Remote 2
Enhanced
Enhanced
V
Remote 1
Remote 1
Low Limit
Remote 2
Remote 2
High Byte
High Byte
High Byte
High Byte
Low Byte
Low Byte
Low Byte
Low Byte
Acoustics
Acoustics
Minimum
Minimum
Minimum
Minimum
T
T
T
Register
Register
Register
TACH1
TACH2
TACH3
TACH4
PWM1
PWM2
PWM3
CC
Config
RANGE
RANGE
RANGE
Reg 1
Reg 2
Desc
Local
Limit
Limit
Limit
Limit
Limit
High
/
/
/
RANGE
RANGE
RANGE
BHVR
BHVR
BHVR
Bit 7
MIN3
EN2
15
15
15
15
7
7
7
7
7
7
7
7
7
7
7
7
RANGE
RANGE
RANGE
ACOU2
BHVR
BHVR
BHVR
Bit 6
MIN2
14
14
14
14
6
6
6
6
6
6
6
6
6
6
6
6
RANGE
RANGE
RANGE
ACOU2
BHVR
BHVR
BHVR
Bit 5
MIN1
13
13
13
13
5
5
5
5
5
5
5
5
5
5
5
5
http://onsemi.com
RANGE
RANGE
RANGE
ACOU2
SYNC
Bit 4
INV
INV
INV
42
12
12
12
12
4
4
4
4
4
4
4
4
4
4
4
4
HF/LF
HF/LF
HF/LF
Bit 3
RES
RES
RES
EN1
EN3
11
11
11
11
3
3
3
3
3
3
3
3
3
3
3
3
ACOU1
ACOU3
FREQ
FREQ
FREQ
Bit 2
SPIN
SPIN
SPIN
10
10
10
10
2
2
2
2
2
2
2
2
2
2
2
2
ACOU1
ACOU3
FREQ
FREQ
FREQ
Bit 1
SPIN
SPIN
SPIN
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
1
ACOU1
ACOU3
FREQ
FREQ
FREQ
Bit 0
SPIN
SPIN
SPIN
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
0
0xC4
0xC4
0xC4
0xFF
0x81
0x7F
0x81
0x7F
0x81
0x7F
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0x62
0x62
0x62
0x00
0x00
0x80
fault
De-
Lock-
able
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes