SA5664

SA5664 3-PHASE SPINDLE MOTOR DRIVER FOR CD-ROM DESCRIPTION The SA5664 is a CD-ROM spindle motor driver supporting reverse- rotation preventing circuit. It incorporates power save circuit, thermal shut down circuit, FG output, hall bias, etc. The 3-phase full-wave pseudo linear driving system achieves high-performance and multi-function. FEATURES * 3 -phase, full-wave, pseudo linear driving system. * Built-in power save in stop mode. * Built-in current limiter. * Built-in 3X and 1X hall FG output. * Built-in TSD (thermal shutdown) circuit. * Built-in gain switch pin. * Built-in hall bias circuit. * Built-in rotational direction detector. * Built-in short-brake. * Built-in reverse rotation prevented circuit. * Built-in brake mode pin. * Corresponds to 3.3V DSP. HSOP-28-375-0.8 ORDERING INFORMATION Device SA5664 Package HSOP-28-375-0.8 BLOCK DIAGRAM HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2005.08.09 Page 1 of 12 SA5664 ABSOLUTE MAXIMUM RATINGS (Ta...