ADT7476AARQZ-REEL ON Semiconductor, ADT7476AARQZ-REEL Datasheet - Page 48

• 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
0x4D
0x5C
0x5D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
0x5E
0x5F
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
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
TACH1 Min High
TACH2 Min High
TACH3 Min High
TACH4 Min High
Local Temp High
TACH1 Min Low
TACH2 Min Low
TACH3 Min Low
TACH4 Min Low
PWM1 Min Duty
PWM2 Min Duty
PWM3 Min Duty
Remote 1 Temp
Remote 1 Temp
Local Temp Low
Remote 2 Temp
Remote 2 Temp
Remote 1 Temp
12 V High Limit
T
T
T
Configuration
Configuration
Configuration
RANGE
RANGE
RANGE
Frequency
Frequency
Frequency
High Limit
High Limit
Register 1
Register 2
Low Limit
Low Limit
Remote 1
Remote 2
Acoustics
Acoustics
Enhance
Enhance
PWM1
PWM2
PWM3
Desc
Cycle
Cycle
Cycle
Local
Limit
Limit
T
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
MIN
/PWM1
/PWM2
/PWM3
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
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
6
6
6
RANGE
RANGE
RANGE
ACOU2
BHVR
BHVR
BHVR
Bit 5
MIN1
http://onsemi.com
13
13
13
13
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
RANGE
RANGE
RANGE
ACOU2
SYNC
48
Bit 4
INV
INV
INV
12
12
12
12
4
4
4
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
3
3
3
ACOU3
ACOU
FREQ
FREQ
FREQ
Bit 2
SPIN
SPIN
SPIN
10
10
10
10
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
ACOU3
FREQ
FREQ
FREQ
ACOU
Bit 1
SPIN
SPIN
SPIN
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
1
1
1
1
ACOU3
ACOU
FREQ
FREQ
FREQ
Bit 0
SPIN
SPIN
SPIN
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
0
0
0
0
0XC4
0XC4
0XC4
0X5A
fault
0xFF
0x7F
0x7F
0x7F
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0X00
0X00
0X80
0X80
0X80
0x81
0x81
0x81
0x62
0x62
0x62
De-
Lock-
able
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−