KA3080

www.fairchildsemi.com KA3080/KA3080D/KA3080DM 3-Phase BLDC Motor Driver Features 3-Phase, Full-Wave, Linear BLDC Motor Driver With 3 Hall Sensors Built-in TSD (Therml Shutdown) Circuit Built-in Torque Ripple Control Circuit Built-in Output Current Limiter Motor Speed Control High Output Current Built-in FG Amplifier With Sinusoidal Waveforms Built-in Hall Amplifier Built-in CW and CCW Circuit Description The KA3080 , KA3080D, KA3080DM are a monolithic integrated circuit, and it is suitable for 3-phase capstan motor driver for VCR system. 32-SDIPH-400 28-SSOPH-375 28-SSOPH-375SG2 Target Application Video Cassette Recorder (VCR) Capstan Motor Other 3-Phase BLDC Motor Ordering Information Device KA3080C KA3080BD KA3080BDTF KA3080BD3 Package 32-SDIPH-400 28-SSOPH-375 28-SSOPH-375 28-SSOPH-375SG2 Operating Temp. -25°C ~ +75°C -25°C ~ +75°C -25°C ~ +75°C -25°C ~ +75°C -25°C ~ +75°C KA3080BD3TF 28-SSOPH-375SG2 Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation KA3080/KA3080D/KA3080DM Pin Assignments (32SDIPH) FGOUT2 FGOUT1 F/RCTL TRCTL FGIN2 FGIN1 VREF VCTL GND ILIM NC 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 CI 15 WOUT 17 KA3080 1 U+ 2 U− 3 V+ 4 V− 5 W+ 6 W− 7 8 GND 9 10 11 RS 12 GOUT 13 UOUT 14 VOUT 16 VCC2 Pin Definitions (32SDIPH) Pine Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Pin Name U+ UV+ VW+ WGND GND GND GND RS GOUT UOUT VOUT WOUT VCC2 VCC1 CI ILIM VCTL VREF NC ...