KA3016D

CD-ROM PRODUCTS KA3016D SPINDLE MOTOR DRIVER The KA3016D is a monolithic integrated circuit, suitable for a 3-phase spindle motor drive of a CD system. 28-SSOPH-375 FEATURES 3-phase, full-wave, linear BLDC motor driver Power save at stop mode Built-in current limiter Built-in TSD (Thermal shutdown) circuit Built-in 3X or 1X hall FG output Built-in hall bias circuit Built-in rotational direction detector Built-in reverse rotation preventer Built-in short braker Corresponds to 3.3V or 5V DSP Device KA3016D Package 28-SSOPH-375 Operating Temperature −25°C ~ +75°C ORDERING INFORMATION BLOCK DIAGRAM VCC ECR FGS CS1 PC1 DIR S/S VM NC NC EC 28 27 26 25 24 FG Generator 23 22 − + 21 20 19 18 17 16 15 Start Stop Short Brake Current sense Amp Output Current limit Reverse rotation Absolute Values Logic FG Selector TSD Upper Distributor Detection Detector Lower Distributor Communication Selector Hall amp 1 NC 2 A3 3 NC 4 A2 5 NC 6 NC 7 A1 8 GND 9 H1+ 10 H1− 11 H2+ 12 H2− 13 H3+ 14 H3− Hall VH FG SB Rev. B MIC-99D001 January 1999 © 1999 Fairchild Semiconductor Corporation 1 KA3016D CD-ROM PRODUCTS PIN CONFIGURATION VCC ECR CS1 FGS VM NC FG EC NC 16 13 H3+ 28 27 26 25 24 23 22 21 20 19 18 17 15 KA3016D 1 NC 2 A3 3 NC 4 A2 5 NC 6 NC 7 A1 FIN(GND) 8 GND 9 H1+ 10 H1− 11 H2+ 12 H2− 14 H3− PIN DESCRIPTIONS Pin No. Symbol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NC A3 NC A2 NC NC A1 GND H...