AN3895FHQ

AN3861SA Sensor-less Motor Drive IC for VTR Movie Cylinder s Overview The AN3861SA is a sensor-less motor drive IC for VTR movie cylinder. It uses both sensor-less and sine wave drive, thus excellent for low-noise applications. 11.0±0.3 32 17 Unit : mm 6.1±0.3 8.1±0.3 Operating supply voltage range : VCC=3.0 to 5.5V, VB=4.0 to 10.5V Reduced magnetosound using 3-phase full-wave overlap drive. Built-in power transistor. Standby mode for minimizing power consumption Voltage output for controlling SW power supply Motor neutral point input terminal 1 16 0.65±0.1 0.2 – 0.05 1.5±0.2 + 0.1 (0.5) 0.65 (0.625) 0.3 – 0.05 SEATING PLANE + 0.1 SEATING PLANE 32-pin SSOP Package (SSOP032-P-0300) s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol U CS VSC WIN VIN UIN PCV SG SL3 SL2 SL1 FC BR FR HSL STB Description U-phase drive output terminal Drive current output terminal Switching power supply control output terminal W-phase detection terminal V-phase detection terminal U-phase detection terminal Voltage feedback system compensation terminal Signal ground Slope waveform generate terminal (3) Slope waveform generate terminal (2) Slope waveform generate terminal (1) Oscillation terminal Short brake control terminal Forward/Reverse change-over terminal Slope current change-over terminal Stand-by input terminal Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbol VCC IN2H OUT2 IN1– IN1+ MM OUT1 Vref PCI VS VB CS W PG V PG Description Power ...