ADM1033 データシートの表示（PDF） - ON Semiconductor

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ADM1033

Thermal Monitor and Fan Speed (RPM) Controller

ON Semiconductor 

ADM1033

ADM1033

DRIVE 1

RPM FAN

SPEED

CONTROLLER

Vcc

6

MANUAL FAN

SPEED CONTROL

REGISTERS

TEMPERATURE TO

FAN SPEED

LOOKUP TABLE

SMBUS

ADDRESS

SERIAL BUS

INTERFACE

ADDRESS

POINTER

REGISTER

STATUS

REGISTER

ALERT

MASK

REGISTERS

THERM

ENHANCE

ACOUSTICS

LIMIT

COMPARATOR

FAULT

QUEUE

TACH 2

SIGNAL

CONDITIONING

LOCATION 13

REF 8

D− 9

D+ 10

NC 11

NC 12

SRC

BLOCK

BANDCAP

TEMPERATURE

SENSOR

NC = NO CONNECT

ANALOG

MULTIPLEXER

FAN

SPEED

COUNTER

ADC

BANDGAP

REFERENCE

5

GND

VALUE AND

LIMIT

REGISTERS

FAULT

QUEUE

HYSTERESIS

REGISTERS

OFFSET

REGISTERS

CONVERSION

RATE REGISTER

CONFIGURATION

REGISTERS

Figure 1. Functional Block Diagram

THERM PERCENT

TIMER

16 SCL

15 SDA

8 FAN_FAULT

3 ALERT Comp

14 SMBusALERT

7 THERM

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