TA8488AF

The TA8488AF is a kind of single-chip IC for VTR movie cylinder motor controllers and capstan motor controllers. Both the cylinder and capstan areas are soft-switching pre-drivers based on a 3-phase full-wave sensorless drive and pseudo-sine commutation control.

There are some features of the TA8488AF as follows: first is about the cylinder area: (1)built-in filter amplifier; (2)3-phase full-wave drive with hole sensors; (3)soft swithing with pseudo-sine commutation control; (4)built-in short-break function; then is about the capstan area:  (1)built-in filter amplifier; (2)3-phase full-wave drive with hole sensors; (3)soft swithing with pseudo-sine commutation control; (4)built-in short-break function.

The following is about  the maximum ratings (Ta=25) of the TA8488AF: (1)logic power voltage, VCC: 8 V at VCC pin; (2)motor power voltage, VM: 8 V at pins YVM, CVM; (3)output pin voltage, VN: 10 V at pins YM1, YM2, YM3, YU1, YU2, YU3, YL1, YL2, YL3, CM1, CM2, CM3, CU1, CU2, CU3, CL1, CL2, CL3; (4)input pin voltage, VI: -0.3 to VCC+0.3 V at pins YEC, YSTB, YH1+, YH1-, YH2+, YH2-, YH3+, YH3-, CH1+, CH1-, CH2+, CH2-, CH3+, CH3-, CR5F, CSIN, CTL, FC, YPGI, YFGI, CIN-, CIN+; (5)power dissipation, PD: 0.95 W; (6)operating temperature, Topr: -20 to 75; (7)storage temperature, Tstg: -55 to 125. Then is about the recommended operating conditions: (1)logic power voltage, VCC: 4.0 V min, 4.5 V typ and 5.5 V max; (2)motor power voltage, VM: 2.0 V min and 6.0 V max; (3)output current of the TA8488AF, IO: 12 mA.