M56749FP Datasheet PDF

MITSUBISHI M56749FP 4 CHANNEL ACTUATOR MOTOR DRIVER DESCRIPTION The M56749FP is a semiconductor ...

MITSUBISHI M56749FP 4 CHANNEL ACTUATOR MOTOR DRIVER DESCRIPTION The M56749FP is a semiconductor integrated circuit designed for a CD-ROM actuator driver. This device can function 4 channel actuators by 1 chip due to include 4 channel BTL drivers. Also, this device include a mute circuit, a Vcc check circuit and TSD function. PIN CONFIGURATION (TOP VIEW) Vrefm-out Mute3chMute4chVctl1L Vctl1H 1 2 3 4 5 6 7 36 35 34 33 32 31 30 Vref Vrefm SS . GND Vctl4L Vctl4H VM4(-) VM4(+) FEATURES q Lower saturation voltage. (typical 1.35V at load current 500mA) q Wide supply voltage range. (4.5V to 13.2V) q Lower cross-over distortion. VM1(-) VM1(+) M56749FP 8 9 GND 10 11 VM2(+) 12 13 14 15 16 17 18 29 28 27 26 25 24 23 22 21 20 19 VM3(+) VM3(-) Vctl3(-) Vctl3(+) Vm2 Vbs2 -Por GND APPLICATION CD-ROM VM2(-) Vctl2H Vctl2L Vm1 Vbs1 Vcc Outline 36P2R-D BLOCK DIAGRAM Vm1 Vbs1 16 17 Vref 36 Vcc 18 - POR -Por 19 Vrefm 35 Vrefm-out 1 Vbs2 Vm2 20 21 + Vctl1L Vctl1H 4 5 + + + Vm2 + + + 33 Vctl4L 32 Vctl4H VM1(+) 7 VM1(-) 6 CH1 Vm2 2 + - 30 VM4(+) 31 VM4(-) CH4 22 Vctl3(+) Vctl2L 15 Vctl2H 14 VM2(+) 12 VM2(-) 13 + + + Mute on : Low or open + 23 Vctl3(-) 4ch TSD CH3 3ch CH2 + + 25 VM3(+) 24 VM3(-) 2 Mute3ch- 3 Mute4ch- 34 SS.GND 8 – 11 26 – 29 PGND (8PIN) MITSUBISHI M56749FP 4 CHANNEL ACTUATOR MOTOR DRIVER PIN DESCRIPTION Pin No. 1 2 3 4 5 6 7 8 to 12 13 14 15 16 17 18 11 Symbol Vrefm-out Mute3chMute4chVctl1L Vctl1H...