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(+)...