STK672-400C-E Просмотр технического описания (PDF) - SANYO -> Panasonic

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производитель

STK672-400C-E

Thick-Film Hybrid IC 2-phase Stepping Motor Driver

SANYO -> Panasonic 

Block Diagram

STK672-400C-E

VDD

9

NC NC Vref

8 7 19

A AB B BB

4 53 1

MODE1 10

MODE2 11

CWB 13

CLK 12

MODE3 17

RESET 14

ENABLE 15

Excitation mode

control

Rising edge /

falling edge

detection

Phase

advance

counter

Current distribution

ratio switching

Pseudo sin

wave generator

Voltage

division ratio

Poewr on reset

Phase excitation

drive signal

generator

-

+

RC

Reference clock

oscillator

generator

PWM control

-

+

VSS 16

S.G 18

SUB

2 P.G2

6 P.G1

Sample Application Circuit

VDD=5V

CLK

ENABLE

CWB

CO2=10μF

RO3

D1

CO3

1kΩ

RO1

Vref

RO2

9

10

11

17

1

12

3

15 STK672-400C-E 5

13

4

14

2

6

19

16 18

S.GND

0.01μF

Simplified power-on reset circuit

(this circuit cannot be used to

detect drops in the power-supply

voltage)

Stepping motor

VCC1=24V∼

CO1=100μF

P.GND

No.A2136-4/19

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