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M54544L Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor

No. de Pieza. M54544L
Descripción  Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION
Descarga  4 Pages
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Fabricante  MITSUBISHI [Mitsubishi Electric Semiconductor]
Página de inicio  http://www.mitsubishichips.com
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M54544L Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor

   
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Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION
M54544L
MITSUBISHI <CONTROL / DRIVER IC>
CAUTIONS
Since pass current of 2 to 4A flows from the power supply to the
GND for the period of 2 to 4
µs when a mode is switched to
another, be sure to put the capacitance of 10 to 100
µF between
the output power supply and the GND.
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.
APPLICATION EXAMPLES
1) When VCC and VCC’ are used as the same power supply
2) When VCC is used as a fixed power supply and VCC’ is used as
a variable power supply
1
2
3
4
5
6
7
8
9
M54544L
VB
R2=3
R1=2
C
10 – 100
µF
Input 2
Input 1
M
1
2
3
4
5
6
7
8
9
M54544L
VCC
2
C
10 – 100
µF
Input 2
Input 1
M
C
1 – 10
µF
VCC1
VCC2
VCC2
VCC1
VCC1
VCC2
VCC2


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