ADT7476AARQZ-R datasheet(2/67 Pages) ONSEMI

Part #	ADT7476AARQZ-R

Description	dBCOOL Remote Thermal Controller and Voltage Monitor

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Manufacturer	ONSEMI [ON Semiconductor]

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ADT7476A

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Figure 1. Functional Block Diagram

ACOUSTIC

ENHANCEMENT

CONTROL

BAND GAP

REFERENCE

10−BIT

ADC

INTERRUPT

MASKING

PWM

CONFIGURATION

REGISTERS

ADDRESS

POINTER

REGISTER

VALUE AND

LIMIT

REGISTERS

LIMIT

COMPARATORS

INTERRUPT

STATUS

REGISTERS

INPUT

SIGNAL

CONDITIONING

AND

ANALOG

MULTIPLEXER

VCC TO ADT7476A

VCC

D1+

D1–

D2+

D2–

+5VIN

+12VIN

+2.5VIN

VCCP

VID/GPIO

REGISTER

VID5/GPIO5

VID4/GPIO4

VID3/GPIO3

VID2/GPIO2

VID1/GPIO1

VID0/GPIO0

GPIO6

SERIAL BUS

INTERFACE

SCL SDA SMBALERT

SMBus

ADDRESS

SELECTION

ADDR

SELECT

ADDREN

GND

PWM1

PWM2

PWM3

PWM

REGISTERS

AND

CONTROLLERS

(HF AND LF)

AUTOMATIC

FAN SPEED

CONTROL

TACH1

TACH2

TACH3

TACH4

FAN

SPEED

COUNTER

THERMAL

PROTECTION

PERFORMANCE

MONITORING

THERM

BAND GAP

TEMP. SENSOR

ADT7476A

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ADT7476AARQZ-R Datasheet(PDF) 2 Page - ON Semiconductor

ADT7476AARQZ-R Datasheet(HTML) 2 Page - ON Semiconductor

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