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M54543AFP Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor

No. de Pieza. M54543AFP
Descripción  Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION
Descarga  4 Pages
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Fabricante  MITSUBISHI [Mitsubishi Electric Semiconductor]
Página de inicio  http://www.mitsubishichips.com
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M54543AFP Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor

   
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Bi-DIRECTIONAL MOTOR DRIVER
WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION
M54543AFP
MITSUBISHI <CONTROL / DRIVER IC>
APPLICATION EXAMPLES
1) When VCC and VCC’ are used as the same power supply
CAUTIONS
Since the thermal protection function of this IC may not work in
abnormal status (oscillation, low supply voltage, output short-
circuit, etc.), check the operation in the IC installation status when
using this function.
When the motor back electromotive force is large with the brakes
applied, for example, malfunction may occur in internal parasitic Di.
If flyback current of 1A or more flows, add Schottky Di to the
portion between the output and the GND.
When the IC is used at a high speed for PWM, etc., note that
switching of output results in delay of approx.10
µs.
2) When VCC is used as a fixed power supply and VCC’ is used as
a variable power supply
3) When VCC is used as a variable power supply and VCC’ is used
as a fixed power supply
VCC
R2=3
R1=
2
Input 2
Input 1
10
7
8
9
6
M54543AFP
1
4
3
25
M
10 – 100
µF
VCC
Input 2
Input 1
10
7
8
9
6
M54543AFP
1
4
3
25
M
1 – 10
µF
2
C
C
10 – 100
µF
VCC
Input 2
Input 1
10
7
8
9
6
M54543AFP
1
4
3
25
M
10 – 100
µF
2
C
C
1 – 10
µF


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