STK6103

No. 4290- 3/11

Pin Functions

Pin No.

Symbol

Function

1

Vref

1

GND-side driver transistor PWM control pin: range 0.15 to 3.2V

2

START/STOP

“H” = START, “L” = STOP (all transistors off)

3

CW/CCW

“H” = CW, “L” = CCW

4

BRAKE

“H” = rotate, “L” = Only GND-side transistor on

5

FG OUT

Position detect signal: output 6 pulses per cycle

6

TFG

For setting FG OUT “L” level pulse width. R

7

H

C–

Motor position detect signal input pin (to Hall device)

8

H

C+

Motor position detect signal input pin (to Hall device)

9

H

b–

Motor position detect signal input pin (to Hall device)

10

H

b+

Motor position detect signal input pin (to Hall device)

11

H

a–

Motor position detect signal input pin (to Hall device)

12

H

a+

Motor position detect signal input pin (to Hall device)

13

V

Motor controller supply voltage pin

14

GND1

Motor controller IC GND pin: signal ground (SG)

15

GND2

External R

16

Vref

2

Current limiter set pin: 0.1V

17

V

S

External R

18, 19

V

RS

External R

20, 21

U

Output pin (to motor winding)

22, 23

V

Output pin (to motor winding)

24, 25

W

Output pin (to motor winding)

26, 27

V

Supply voltage pin (to motor)

28

VZ

Zener voltage (6.2V typ) for V

Input Type

Note 1:

I