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M56781FP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor |
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M56781FP Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor |
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1 / 6 page  2-CHANNEL ACTUATOR MOTOR DRIVER M56781FP MITSUBISHI <CONTROL / DRIVER IC> PIN CONFIGURATION (TOP VIEW) DESCRIPTION The M56781FP is a semiconductor IC developed as the motor driver used DVD, DVD-ROM, CD-ROM and CD Player. This device include 2 channel BTL drivers and can drive 2 actuators with one IC at the same time. Also, the mute circuit, thermal protection circuit and VREF voltage monitor circuit functions are included. FEATURES q Low output saturation voltage (typ. 1.35V at 0.5A). q Wide operating supply voltage range (4.5 – 15V). q High current drive capability (maximum 0.9A). q Low crossover distortion. q High frequency capability. APPLICATION DVD, DVD-ROM, CD-ROM, CD-PLAYER BLOCK DIAGRAM Outline 24P2Q-A VCC1 CH1 MUTE TSD MUTE2A MUTE1 GND CH2 MUTE VCC2 + - CH1 VCC1 VM1+ VM1- CTL1- Vrefm 5k + - 5k 5k 5k CTL1+ PA PA +- A1 25k 25k 25k 25k + - CH2 VCC2 VM2+ VM2- Vrefm 5k + - 5k 5k 5k CTL2+ PA PA 25k 25k 25k 25k CTL2- + - A2 CTL2OUT ×5 ×5 ×5 ×5 TSDS +- A3 IN+ IN- OPOUT CTL1OUT VREF 5 14 11 15 17 16 8 9 10 19 21 20 22 23 4 18 6 7 3 MUTE2B H : Mute On L, Open : Mute Off 2 H, H Mute On VCC2 VCC2 + - 1.4V VCC2 2 VCC1 2 GND VCC1 OPOUT IN+ VCC2 VM2+ VM1+ IN- MUTE2B MUTE1 MUTE2A GND CTL1OUT GND VM2- CTL2OUT CTL2+ CTL2- CTL1- CTL1+ VM1- TSDS VREF GND 24 21 22 23 1 4 3 2 20 5 19 6 18 7 17 8 16 9 15 10 11 12 14 13 |
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