STK672-740A-E 查看數據表（PDF） - ON Semiconductor

零件编号

产品描述 (功能)

生产厂家

STK672-740A-E

Thick-Film Hybrid IC 2-phase Stepping Motor Driver

ON Semiconductor 

STK672-740A-E

Block Diagram

VDD=5V 9

φBB 10

NC 11

φAB 17

BBIN

BIN

φB 12 ABIN

φA 13 AIN

RESETB 14

ENABLE 15

FAULT 16

Power-on

reset

FAULT signal

(open drain)

Overheating

detection

S.G 18

Vref 19

NC

8

VDD

Latch

circuit

Overcurrent

detection

NC

4

FAO

FAB

FBO

FBB

A

5

F1

AB

7

F2

B

3

F3

Current control

AI

chopper circuit

BI

Latch

circuit

Vref/4.9 -

+

Amplifier

VSS 100kΩ

VSS

Vref

VSS

R1

R2

BB

1

F4

2 P.G1

6 P.G2

Sample Application Circuit

VDD(5V)

φA

φAB

φB

φBB

ENABLE

R01

FAULT

R02

STK672-740A-E

9

13

17

12

10

15

RESETB

14

R03

16

Vref

19

2 phase stepping motor driver

5A

7 AB

3B

1 BB

2 P.G1

18

6

P.G2

S.G

VCC=24V

+

C01

at least 100µF

P.GND

No. A1136-4/19

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