作者: Jin-Seak Kim , Hyung-Joon Cho
DOI:
关键词: Controller (computing) 、 Electrical engineering 、 Voice coil 、 Head (vessel) 、 Current (fluid) 、 Voltage 、 Voltage reference 、 Engineering 、 Printed circuit board
摘要: A hard disk drive which includes a voice coil motor driving portion supplies current to motor, and controller compares supply voltage supplied predetermined chips installed on printed circuit board with parking reference previously set higher than power-on-reset controls the apply of through park magnetic head in zone, when is lower voltage.