m56781fp Mitsumi Electronics, Corp., m56781fp Datasheet

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... 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 V monitor circuit functions are included. ...

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... With infinite heatsink With infinite heatsink M56781FP Function GND CH1 Amp. inverted output CH1 input Amp. output CH1 Amp. non-inverted input CH1 Amp. inverted input Thermal monitor Reference voltage input CH2 Amp. inverted input CH2 Amp. non-inverted input CH2 input Amp ...

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... CC (CTL Amp. = buffer 2.5V VBS = 12V REF CTL CC (CTL Amp. = buffer.) {VM(+) – VM(-)} (CTL Amp. = buffer.) (V – CTL REF CH2 is Mute-ON mode when MUTE2A = H and MUTE2B = H condition. MUTE1 = MUTE2A = MUTE2B = 5V M56781FP Units V Limits Units Min. Typ. Max. — 1.0 2.0 mA — 4.5 7.0 mA — — ...

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... MITSUBISHI <CONTROL / DRIVER IC> 2-CHANNEL ACTUATOR MOTOR DRIVER Test conditions A1 and A2 Amps. A1 and A2 Amps. Load = 0 Load = 0 Load = 0 When V voltage is under this values, REF M56781FP makes the Bias shut off 2.5V REF 1.25V V 3.75V CTL V REF + (2.5V) VM+ - REFM + VM REFM ...

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... MITSUBISHI <CONTROL / DRIVER IC> 2-CHANNEL ACTUATOR MOTOR DRIVER Top side saturation voltage 0.89 0.95 1.00 The voltage range that is able to drive a motor. 0.12 0.18 0.24 200 300 400 GAIN PHASE 0.3 0 FREQUENCY M56781FP 1.05 0.30 Bottom side saturation voltage 500 (mA) (deg) 180 PHASE 90 0 -90 -180 100 300 600 (kHz) ...

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... APPLICATION CIRCUIT This show the 4 actuators drive circuit using two M56781FP MITSUBISHI <CONTROL / DRIVER IC> 2-CHANNEL ACTUATOR MOTOR DRIVER + - - + + + - - + M56781FP + - + - (-) Input ...