KA3031

www.fairchildsemi.com KA3031 6-Channel Motor Drive IC Features 4-CH balanced transformerless (BTL) driver 2-CH (forward-reverse) control DC motor driver Operating supply voltage (4.5V ~ 16V) Built-in thermal shut down circuit (TSD) Built-in under voltage lockout circuit (UVLO) Built-in over voltage protection circuit (OVP) Built-in mute circuit (CH1, CH2, CH3 and CH4) Built-in normal op-amp Built-in 5V regulator with reset Description The KA3031 is a monolithic integrated circuit suitable for a 6-ch motor driver which drives the tracking actuator, focus actuator, sled motor, tray motor, change motor and spindle motor of the CDP/CAR-CD systems. 48-QFPH-1414 Typical Applications Compact disk player (CDP) with tray and changer Compact disk player (VCD) with tray and changer Automotive compact disk player (CDP) with tray and changer Mixing with compact disk player (CDP) and mini disk player (MD) with tray and changer Other compact disk media Ordering Information Device KA3031 Package 48-QFPH-1414 Operating Temp. −35°C ~ +85°C Rev. 1.0.1 February. 2000. ©2000 Fairchild Semiconductor International 1 KA3031 Pin Assignments IN1.1 REG50 REG050 REF SVCC RES50 48 47 46 45 44 43 OPIN(+)OPIN(−)OPOUT PVCC2 DO1.1 DO1.2 42 41 40 39 38 37 IN1.2 1 36 DO2.1 OUT1 IN2.1 2 3 35 DO2.2 PGND3 34 IN2.2 4 32 DO3.1 OUT2 IN3.1 5 32 31 DO3.2 PGND2 6 KA3031 IN3.2 7 30 PGND1 OUT3 IN4.1 8 29 DO4.1 DO4.2 9 28 IN4.2 10 11 27 DO5.1 OUT4 CTL1 ...