ADT7476ARQZ ON Semiconductor, ADT7476ARQZ Datasheet - Page 2

• Manufacturer Part Number: ADT7476ARQZ
• Description: IC REMOTE THERMAL CTRLR 24QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7476ARQZ

• 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
• 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

VID5/GPIO5
VID4/GPIO4
VID3/GPIO3
VID2/GPIO2
VID1/GPIO1
VID0/GPIO0
THERM
+2.5V
TACH1
TACH2
TACH3
TACH4
+12V
GPIO6
PWM1
PWM2
PWM3
+5V
V
D1+
D1–
D2+
D2–
CCP
V
CC
IN
IN
IN
V
TEMP. SENSOR
CC
CONTROLLERS
BAND GAP
REGISTERS
(HF AND LF)
TO ADT7476
PWM
AND
Figure 1. Functional Block Diagram
PERFORMANCE
CONDITIONING
MULTIPLEXER
MONITORING
PROTECTION
AUTOMATIC
FAN SPEED
REGISTER
CONTROL
COUNTER
THERMAL
VID/GPIO
ANALOG
http://onsemi.com
SIGNAL
SPEED
INPUT
AND
FAN
2
ADDREN
SELECTION
ADDRESS
SMBus
GND
ENHANCEMENT
ACOUSTIC
CONTROL
REFERENCE
SELECT
BAND GAP
ADDR
10−BIT
ADC
SCL SDA SMBALERT
SERIAL BUS
INTERFACE
CONFIGURATION
COMPARATORS
REGISTERS
INTERRUPT
REGISTERS
VALUE AND
REGISTERS
INTERRUPT
REGISTER
ADDRESS
MASKING
POINTER
STATUS
LIMIT
LIMIT
PWM
ADT7476