AM9858

AM9858 Optical Disc ICs 180 Deg BLDC Motor Driver for Optical Storage AM9858 The AM9858 is developed to drive Brush-less spindle motor. This IC has braking select. Forward rotation mode and braking mode are able to be selected by two control terminals.  Applications CD-ROM, DVD-ROM, DVD-RW , BD-ROM and car DVD drive  Features 1) Silent Direct-PWM-driving system 2) Current limit circuit 3) Built in FG-output 4) Hall Bias circuit 5) Reverse rotation detect and protection 6) Low consumption 7) Short brake 8) Built-in thermal-shut-down circuit  Absolute Maximum Ratings (Ta = 25℃) Parameter 5V voltage Supply Motor power supply Thermal Resistance Junction-ambient Spindle output current Power dissipation Operating temperature Storage temperature Symbol Vcc1/Vcc2 VM  ja Io Pd Topr Tstg Limits 7 15 *57 *1.6 *2.2 -40 to +85 **-40 to +150 Unit V V oC/W A W ℃ ℃ *Note : Absolute maximum ratings are those values beyond which the device could be permanently damaged. Abs...