ADT7475ARQZ ON Semiconductor, ADT7475ARQZ Datasheet - Page 43

• 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
0x6A
0x6B
0x6C
0x6D
0x6E
0x6F
0x7A
0x7B
0x7C
0x7D
0x7E
0x7F
0x65
0x66
0x67
0x68
0x69
0x70
0x71
0x72
0x73
0x74
0x75
0x76
0x77
0x78
0x79
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
R
R
Config Reg 2
Configuration
Configuration
Configuration
Timer Status
Temp Offset
Temp Offset
Mask Reg 1
Mask Reg 2
XNOR Tree
Test Enable
PWM2 Min
PWM3 Min
Temp T
Local Temp
Local Temp
Duty Cycle
Duty Cycle
Temp T
Temp Limit
Temp Limit
Temp Limit
Temp/T
Temp/T
Timer Limit
Test Reg 1
Test Reg 2
Pulses per
Revolution
Remote 1
Hysteresis
Hysteresis
Remote 2
Remote 1
Remote 2
Remote 1
and Local
Remote 2
Remote 1
Remote 2
Extended
Extended
THERM
THERM
THERM
Interrupt
Interrupt
THERM
Register
THERM
Register
Res 1
Res 2
Reg 3
TACH
Reg 5
Reg 4
Desc
Offset
Local
T
MIN
MIN
MIN
MIN
MIN
THERM
HYSR1
HYSR2
SHDN
TDM2
FAN4
Bit 7
LIMT
RES
OOL
RES
TMR
RES
DC4
Only
O/P
D2
R2
7
7
7
7
7
7
7
7
7
7
7
THERM
HYSR1
HYSR2
CONV
TDM2
Bit 6
FAN4
TMR
LIMT
Local
RES
RES
DC3
Only
RES
R2T
O/P
D1
6
6
6
6
6
6
6
6
6
6
6
THERM
HYSR1
HYSR2
Bit 5
ATTN
LTMP
FAN3
LIMT
BpAtt
V
RES
TMR
DC2
Only
F4P
V
O/P
R1
LT
CCP
5
5
5
5
5
5
5
5
5
5
5
CC
http://onsemi.com
Do not write to these registers
Do not write to these registers
HYSR1
HYSR2
LTMP
FAN3
FAN3
Bit 4
TMR
LIMT
RES
AVG
DC1
RES
RES
R1T
V
43
4
4
4
4
4
4
4
4
4
4
4
CC
THERM
GPIOP
Full on
TDM1
HYSL
FAN2
V
FAST
FAN2
Bit 3
TMR
LIMT
RES
RES
RES
RES
Max/
CCP
3
3
3
3
3
3
3
3
3
3
3
THERM
BOOST
GPIOD
Disable
TDM1
HYSL
FAN1
FAN2
Bit 2
V
TMR
LIMT
RES
RES
RES
V
CCP
2
2
2
2
2
2
2
2
2
2
2
CC
THERM
FUNC
HYSL
Offset
Bit 1
V
FAN1
Temp
TMR
LIMT
PIN9
RES
RES
RES
OVT
RES
RES
CCP
1
1
1
1
1
1
1
1
1
1
1
COMPL
ALERT
Enable
TWOS
ASRT/
TMRO
FUNC
Bit 0
HYSL
FAN1
LIMT
PIN9
RES
XEN
RES
RES
RES
RES
RES
0
0
0
0
0
0
0
0
0
0
0
0x80
0x80
0x5A
0x5A
0x5A
0x64
0x64
0x64
0x44
0x40
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x55
0x01
0x00
0x00
0x00
fault
De-
Lock-
able
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes