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M54544AL Fiches technique(PDF) 4 Page - Mitsubishi Electric Semiconductor |
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M54544AL Fiches technique(HTML) 4 Page - Mitsubishi Electric Semiconductor |
4 / 4 page Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION M54544AL MITSUBISHI <CONTROL / DRIVER IC> 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. 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 M54544AL VB R2=3 Ω R1=2 Ω C 10 – 100 µF Input 2 Input 1 M 1 2 3 4 5 6 7 8 9 M54544AL VCC 2 Ω C 10 – 100 µF Input 2 Input 1 M C 1 – 10 µF VCC’2 VCC’1 VCC1 VCC2 VCC’2 VCC2 VCC1 |
Numéro de pièce similaire - M54544AL |
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Description similaire - M54544AL |
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