TA8440H/F

2001-08-29

2

PIN FUNCTION

Pin No.

H

F

SYMBOL

FUNCTIONAL DESCRIPTION

1

2

ENABLE

ENABLE terminal

2

4

IN

Forward rotation / reverse rotation switch terminal

3

5

BRAKE

BRAKE terminal

4

FIN

SG

Signal GND

5

7

CHOP

PWM signal input terminal

6

9

Power voltage supply terminal for control

7

1

Power voltage supply terminal for motor driver

8

13

OUTA

Output terminal

9

15

PG

Power GND

10

14, 17

COMMON

COMMON terminal

11

16

PG

Power GND

12

18

Output terminal

TA8440F: 3, 6, 8, 10, 11, 12, 19, 20 pin is No Connection.

FUNCTION

INPUT

OUTPUT

MODE

IN

BRAKE

ENABLE

CHOP

OUTA

MOTOR

H

H

H

L

H

L

CW / CCW

L

H

H

L

L

H

CCW / CW

(*)

(*)

L

(*)

∞

∞

Stop

(*)

L

H

(*)

L

L

Brake

H

H

H

H

∞

L

Chop

L

H

H

H

L

∞

Chop

* :

Don’t care

∞:

High impedance

CHARACTERISTIC

SYMBOL

RATING

UNIT

7

Supply Voltage

50

V

Input Voltage

V

AVE

1.5

A

Output Current

PEAK

3.0 (Note 1)

A

2.52 (Note 2)

Power Dissipation

25.0 (Note 3)

W

Operating Temperature

−30~75

°C

Storage Temperature

−55~150

°C

Note 1: t = 100 ms

Note 2: No heat sink

Note 3: Tc = 75°C