SM3502 Ver la hoja de datos (PDF) - Samhop Mircroelectronics

Número de pieza

componentes Descripción

Fabricante

SM3502

FAN CONTROLLER

Samhop Mircroelectronics 

三合微科股份有限公司

SAMHOP Microelectronics Corp.

SM3502

FAN CONTROLLER

GENERAL DESCRIPTION

FEATURES

SM3502 is a Fan Controller CMOS IC that

can be applied to a variety of consumer

products. SM3502 has three wind modes;

normal, rhythm and sleep-rhythm wind.

Four kinds of timer setting and one swing

head control or light control.

Memory function is available; the Speed,

Mode, Swing functions will operate as last

state in memory type. If the last state is

Sleep mode, press SPEED key enable fan

controller while memory functions will be

returned to the last state before Sleep Mode

operation.

* High performance CMOS technology.

* Four types of timer setting:

Ladder adder (1/2-1-2-4hrs)

Non-ladder adder (1-2-4-8hrs)

* One swing head control or light control.

* SPEED key can enable fan controller.

* 18 pin plastic DIP package.

* 455KHz oscillator.

APPLICATIONS

* Electronic Fan

* Heater Fan

* Air-Cleaner

* Dehumidifier

* Humidifier

* Kitchen Exhaust

* Dish Dryer

* Wall Fan

PIN ASSIGNMENTS

LIGHT

1

DI

2

OFF

3

TIMER

4

SPEED

5

MODE

6

COM1

7

COM2

8

COM3

9

18

LTO

17

VSS

DI

1

OFF

2

16

OSC1

TIMER

3

15

OSC2

SPEED

4

14

BUZ

MODE

5

13

VDD

COM1

6

12

LOW

COM2

7

11

MEDIUM

COM3

8

10

STRONG SWING

9

18

VSS

17

OSC1

16

OSC2

15

BUZ

14

VDD

13

LOW

12

MEDIUM

11

STRONG

10

SHO

SM3502-A 18PIN

SM3502-B 18PIN

Page 1

V.1.0

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