M54544L Mitsubishi, M54544L Datasheet

M54544L

Manufacturer Part Number

M54544L

Description

Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION

Manufacturer

Mitsubishi

Datasheet

1.M54544L.pdf (4 pages)

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

M54544L

Manufacturer:

MIT

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1 226

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DESCRIPTION

The M54544L is a semiconductor integrated circuit that is capable

of directly driving a smallsize bi-directional motor rotating in both

forward and reverse directions.

FEATURES

APPLICATION

Sound equipment such as tape deck and radio cassette, VTR, and

other general consumer appliances

FUNCTION

The M54544L is an IC for driving a smallsize bi-directional motor

that rotates in both forward and reverse directions.

When both inputs 1 and 2 are set to low-level, outputs 1 and 2 are

set to “OFF”. When input 1 is set to high-level and input 2 is set to

low-level, output 1 is set to high-level and output 2 is set to low-

level (forward rotation status). When input 1 is set to low-level and

input 2 is set to high-level, output 1 is set to low-level and output 2

is set to high-level (reverse rotation). When both inputs 1 and 2

are set to high-level, both outputs 1 and 2 are set to low-level

(brake status).

The power supply (V

the motor can be therefore changed by using V

different power supplies and by making V

If the resistance of the motor is high (light load and small drive

current: tens of mA), and V

flow backward from the V

BLOCK DIAGRAM

Wide range of operating voltage (V

Possible direct driving with TTL, PMOS and CMOS IC outputs

Low output saturation voltage (large voltage across motors)

Built-in clamp diode

Large output current drive (I

Provided with brake function

’) for output are independently provided. The rotating speed of

Power supply 1

) to the control circuit and the power supply

CC1

pin to the V

is larger than V

(

max

) = 1.2A)

Output power supply 1

=4 – 16V)

’ pin.

or V

’

’, current does not

’ variable.

and V

Input 1

Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION

Output 2

’ as

GND

Output 1

LOGIC TRUTH TABLE

PIN CONFIGURATION (TOP VIEW)

Output power supply 2

Output power supply 1

Input 2

Input

Power supply 1

Power supply 2

Output power supply 2

MITSUBISHI <CONTROL / DRIVER IC>

Output 2

Output 1

Input 1

Input 2

“OFF” state “OFF” state

’

GND

CC2

CC1

Output

’

Power supply 2

Outline 9P9

CC2

M54544L

ex Forward rotation

No operation of IC

Reverse rotation

Remarks

Brake

Related parts for M54544L

M54544L Summary of contents

Page 1

... Sound equipment such as tape deck and radio cassette, VTR, and other general consumer appliances FUNCTION The M54544L for driving a smallsize bi-directional motor that rotates in both forward and reverse directions. When both inputs 1 and 2 are set to low-level, outputs 1 and 2 are set to “OFF”. When input 1 is set to high-level and input 2 is set to low-level, output 1 is set to high-level and output 2 is set to low- level (forward rotation status) ...

Page 2

... ’=12V, V =0V =2V =0V ’=16V = = MITSUBISHI <CONTROL / DRIVER IC> M54544L Ratings – -0.5 +16 2 – x 1.5mm) -0.5 +20 – -0.5 +16 – – -0.5 V ’+2.5 CC 1.2 330 2 x 1.5mm) 600 1.15 – -10 75 – ...

Page 3

... Output Voltage V ’– Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION Free Air 75 100 0.8 1.0 (V) OH MITSUBISHI <CONTROL / DRIVER IC> M54544L “L” Output Saturation Characteristics 600 Ta=75˚C 500 Ta=50˚C 400 Ta=25˚C 300 Ta=-20˚C 200 100 V =V ’=12V 0.0 ...

Page 4

... CC V ’ – 100 F M Input 2 V CC2 M54544L Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION V ’ Input 1 V CC1 ’ is used – Input 1 V CC1 MITSUBISHI <CONTROL / DRIVER IC> M54544L ...

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