AIM AT5608 Datasheet

AT5608

Bi-directional Motor Driver

Features

˙Built-in brake function.
˙Built-in diode to absorb surge currents.
˙Low standby circuit current .
˙ Wide range of operating supply voltage

(4.5~13.5V).

˙Interfaces with the TTL logic.

Pin Configuration

Description

The AT5608 is a monolithic integrated circuit
designed for driving bi-directional DC motor.

It has two pins of logic input for controlling the
forward/reverse and braking,

output current of up to 100mA (typical)
according to the logic control.

which can supply an

Applications

DVD and VCD player tray driver.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] WWW: http://www.aimtron.com.tw
Fax: [phone] Email: [e-mail]

1

AT5608

Bi-directional Motor Driver

Circuit Configuration

Pin Descriptions

Pin No.

SO8 SIP9

1 6 VCC Power supply
2

35 GNDGND
4 8 VO1 Motor output1
5 2 VIN2 Logic input2
6 1,4,9 N.C. N.C.
75 GNDGND
8 3 VIN1 Logic input1

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] WWW: http://www.aimtron.com.tw
Fax: [phone] Email: [e-mail]

7

Pin name Function

VO2

Motor output2

2

AT5608

Bi-directional Motor Driver

Absolute maximum ratings (Ta = 25oC)

Parameter Symbol Limits unit
Power supply voltage V
Power dissipation P
Operating temperature T
Storage temperature T

Maximum output current I

﹡Reduce by 13.5 mW for each increase in T

CC

d

opr

stg

OUT

of 1oC over 25oC.

a

Recommended operating conditions (Ta = 25oC)

Parameter Symbol Limits unit

Power supply voltage Vcc 4.5~12 V

13.5 V

*

450

-20~+60

-55~+125
500 mA

mW

o

C

o

C

Input truth table

VIN1(8pin) VIN2(5pin) VO1(4pin) VO2(2pin)

HLHL
LHLH
HHL L
L L OPEN OPEN

*:HIGH level input is 2.0V or more

LOW level input is 0.8V or less.

Electrical characteristics (unless otherwise noted, Ta = 25

Parameter Symbol Min. Typ. Max. Unit Conditions

Standby supply current I

Output current I
Output saturation voltage V
Input high level voltage V
Input high level voltage V
Input high level current I

A diode that absorbs at least 500 mA is built in to give protection against surge currents with a pulse width of 10 ms and a duty

ratio of 10﹪or less.

ST

O

CE

IH

IL

IH

- - 0.4 mA When inputs VIN1 and

200 - - mA

--1.7VI

2.0 - - V

--0.8V

--400μAVIH=4.5V

o

C and V

= 9V)

CC

VIN2 are both "L" level

=100mA

O

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] WWW: http://www.aimtron.com.tw
Fax: [phone] Email: [e-mail]

3