ADT7473ARQZ-1RL ON Semiconductor, ADT7473ARQZ-1RL Datasheet - Page 55

• 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
0x5A
0x5B
0x5C
0x5D
0x5E
0x6A
0x6B
0x6C
0x6D
0x6E
0x5F
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
0x68
0x69
0x6F
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
Local Temp.
PWM1 Min
PWM2 Min
PWM3 Min
XNOR Tree
Test Enable
Temp. T
Temp. T
Temp. Limit
Temp. Limit
Temp. Limit
Duty Cycle
Duty Cycle
Duty Cycle
Temp/T
Temp/T
Frequency
Frequency
Frequency
Remote 1
Remote 2
Enhanced
Enhanced
Hysteresis
Hysteresis
High Byte
Remote 1
Remote 2
Remote 1
Remote 2
Remote 1
and Local
Remote 2
Low Byte
Acoustics
Acoustics
Minimum
Minimum
T
T
T
Register
Register
Register
THERM
THERM
THERM
PWM 1
PWM 2
PWM 3
TACH4
TACH4
PWM1
Config.
PWM2
Config.
PWM3
Config.
Reg. 1
Reg. 2
Desc
RANGE
RANGE
RANGE
Local
Local
T
MIN
MIN
MIN
MIN
MIN
/
/
/
RANGE
RANGE
RANGE
HYSR1
HYSR2
BHVR
BHVR
BHVR
Bit 7
MIN3
EN2
RES
15
7
7
7
7
7
7
7
7
7
7
RANGE
RANGE
RANGE
ACOU2
HYSR1
HYSR2
BHVR
BHVR
BHVR
Bit 6
MIN2
RES
14
6
6
6
6
6
6
6
6
6
6
RANGE
RANGE
RANGE
ACOU2
HYSR1
HYSR2
BHVR
BHVR
BHVR
Bit 5
MIN1
RES
13
5
5
5
5
5
5
5
5
5
5
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RANGE
RANGE
RANGE
ACOU2
HYSR1
HYRS2
SYNC
Bit 4
RES
INV
INV
INV
55
12
4
4
4
4
4
4
4
4
4
4
SLOW
SLOW
SLOW
HF/LF
HF/LF
HF/LF
Bit 3
Fan 1
Fan 2
Fan 3
HYSL
EN1
EN3
RES
RES
11
3
3
3
3
3
3
3
3
3
3
ACOU3
ACOU
FREQ
FREQ
FREQ
HYSL
Bit 2
SPIN
SPIN
SPIN
RES
RES
10
2
2
2
2
2
2
2
2
2
2
ACOU3
ACOU
FREQ
FREQ
FREQ
HYSL
Bit 1
SPIN
SPIN
SPIN
RES
RES
1
9
1
1
1
1
1
1
1
1
1
ACOU3
ACOU
FREQ
FREQ
FREQ
HYSL
Bit 0
SPIN
SPIN
SPIN
RES
XEN
0
8
0
0
0
0
0
0
0
0
0
0xA4/0
0x82/0
0x82/0
0x82/0
0xCC
0xCC
0xCC
fault
0xFF
0xFF
0x9A
0x9A
0x9A
0xA4
0xA4
0x00
0x00
0x80
0x80
0x80
0x44
0x40
0x00
De-
xC8
x62
x62
x62
Lock-
able
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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