M54543AL Mitsubishi, M54543AL Datasheet

M54543AL

Manufacturer Part Number

M54543AL

Description

Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION

Manufacturer

Mitsubishi

Datasheet

1.M54543AL.pdf (4 pages)

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DESCRIPTION

The M54543AL is a semiconductor IC capable of directly driving a

smallsize bi-directional motor for forward/reverse rotation.

FEATURES

APPLICATION

Commercial-use equipment, audio such as tape recorder or radio

cassette recorder, and VCR.

FUNCTIONAL DESCRIPTION

The M54543AL is an IC for driving a smallsize bi-directional motor

for forward/reverse rotation. When both of inputs 1 and 2 are "L",

outputs 1 and 2 are "OFF". When input 1 is "H" and input 2 is "L",

output 1 is "H" and output 2 is "L" (forward rotation). When input 1

is "L" and input 2 is "H", output 1 is "L" and output 2 is "H" (reverse

rotation). When both of inputs 1 and 2 are "H", both of outputs 1

and 2 are "L" (braking).

The IC is provided with a control circuit power supply (Vcc) and an

output power supply (Vcc') independently. The motor rotation

speed can be changed by operating Vcc and Vcc' from a separate

supply and varying the voltage of Vcc or Vcc'.

The IC is also provided with a built-in thermal protector circuit to

protect it from thermal destruction in case of abnormal condition

such as motor blocking.

Wide operating voltage range (Vcc = 4V to 16V)

Direct drive capability by TTL, PMOS and CMOS IC outputs

Low output saturation voltage (large voltage across motor)

Built-in clamp diode

Large output current drive (Io (max) = 1.5A)

With brake function

Built-in thermal shut-down protector circuit

BLOCK DIAGRAM

POWER SUPPLY 1

DRIVER POWER

SUPPLY 1

WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION

' 1

INPUT 1

OUTPUT 2

CONTROL

THERMAL

CIRCUIT

DOWN

SHUT

GND

OUTPUT 1

LOGIC TRUTH TABLE

PIN CONFIGURATION (TOP VIEW)

DRIVER POWER SUPPLY 1 V

DRIVER POWER SUPPLY 2 V

INPUT

INPUT 2

DRIVER POWER

SUPPLY 2

POWER SUPPLY 1

POWER SUPPLY 2

Bi-DIRECTIONAL MOTOR DRIVER

MITSUBISHI ICs (AV COMMON)

OUTPUT 2

OUTPUT 1

INPUT 1

INPUT 2

"OFF"

state

Outline 9P9

OUTPUT

GND

CC1

CC2

"OFF"

state

POWER SUPPLY 2

M54543AL

CC2

ex.Forward

ex.Reverse

Braking

NOTE

Open

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M54543AL Summary of contents

Page 1

... DESCRIPTION The M54543AL is a semiconductor IC capable of directly driving a smallsize bi-directional motor for forward/reverse rotation. FEATURES Wide operating voltage range (Vcc = 4V to 16V) Direct drive capability by TTL, PMOS and CMOS IC outputs Low output saturation voltage (large voltage across motor) Built-in clamp diode Large output current drive (Io (max ...

Page 2

... V =V '=12V, V =2V '=12V =16V Output open V V MITSUBISHI ICs (AV COMMON) M54543AL Bi-DIRECTIONAL MOTOR DRIVER Ratings -0.5 to +16 2 1.5mm) -0.5 to +20 -0 '+2.5 CC 1.5 330 2 1.5mm) 600 1.15 -10 to +75 -55 to +125 Limits Min. Typ ...

Page 3

... OUTPUT VOLTAGE V WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION 2 1.5mm (t) 75 100 0.6 0.8 1.0 '-V ( MITSUBISHI ICs (AV COMMON) M54543AL Bi-DIRECTIONAL MOTOR DRIVER "L" OUTPUT SATURATION 600 V =V '=12V CC CC 500 400 300 Ta=75 C Ta=25 C Ta=-20 C 200 100 0 0 0.2 ...

Page 4

... F INPUT 2 MITSUBISHI ICs (AV COMMON) M54543AL Bi-DIRECTIONAL MOTOR DRIVER and M54543AL ' 100 M54543AL M54543AL ' CC INPUT 1 1 INPUT INPUT 1 1 ...

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