BA664FP - Motor driver for CD-ROM
BA6664FP/BA6664FM CD-ROM BA6664FP/BA6664FM 3 CD-ROM 1 IC 3 BA6664FP / BA6664FM ! CD-ROM CD-R/RW DVD ! 1 3 2 3 4 FG FG 3 5 6 7 8 9 10 DSP3.3V ! Ta=25°C ! Ta=25°C BA6664FP/BA6664FM ! RNF 28 DRIVER VM 27 TSD A3 2 GAIN SWITCH GAIN CONTROL CURRENT SENSE AMP VCC 25 FG 24 7 HALL AMP 8 PS TORQUE SENSE AMP 22 H1 HALL 1 H1 10 VCC FR 20 H2 HALL 2 H2 12 D H3 HALL 3 H3 14 BRAKE MODE 16 VH HALL BIAS 15 CK 13 R Q Q 17 BR SHORT BRAKE SB 18 CNF 11 19 FG2 9 VCC 21 ECR PS 23 EC SERVO SIGNAL GSW 26 VCC V.