ADM1034 查看數據表（PDF） - ON Semiconductor

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ADM1034

Thermal Monitor and Fan Speed (RPM) Controller

ON Semiconductor 

ADM1034

VCC

6

ADM1034

DRIVE1 1

DRIVE2 3

MANUAL FAN

SPEED CONTROL

REGISTERS

TEMPERATURE−TO−

FAN−SPEED

LOOK−UP TABLE

FAN SPEED

CONTROLLER

FAN RESPONSE

SMBUS

ADDRESS

SERIAL BUS

INTERFACE

ADDRESS

POINTER

REGISTER

STATUS

REGISTER

ALERT

THERM

MASK

REGISTERS

LIMIT

COMPARATOR

FAULT

QUEUE

TACH1 2

TACH2 4

TACH SIGNAL

CONDITIONING

REF 8

LOCATION 13

D1– 9

D1+ 10

D2– 11

D2+ 12

SRC

BLOCK

BAND GAP

TEMPERATURE

SENSOR

ANALOG

MULTIPLEXER

FAN

SPEED

COUNTER

ADC

BAND GAP

REFERENCE

5

GND

VALUE AND

LIMIT

REGISTERS

FAULT

QUEUE

HYSTERESIS

REGISTERS

OFFSET

REGISTERS

CONVERSION

RATE REGISTER

CONFIGURATION

REGISTERS

THERM PERCENT

TIMER

16 SCL

15 SDA

8 FAN_FAULT

14 ALERT

7 THERM

Figure 1. Functional Block Diagram

http://onsemi.com

2

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