M64611FP

M64611FP DIGITAL SERVO MOTOR CONTROL FOR RADIO CONTROL REJ03F0017-0100Z Rev.1.00 Aug.26.2003 Description The M64611FP is a semiconductor integrated circuit of the BiCMOS structure for servo motor control for the radio control application. Features A quick response and a powerful holding torque Simple settings of dead band, pulse stretcher, boost time addition, and max duty. Application Digital proportional system for radio control Recommended operating condition Supply voltage range: 4 to 9 V Block diagram ROP2 ROP1 ROP3 DB1 DB2 ST2 BT2 MD2 BT1 MD1 ST1 Pin CL1 CL2 amp1 Input measure circuit Calculation circuit Dead band Strecher pulse boost time addition Max duty POT 13.5k Servo position voltage measure circuit 40.5k CMOS LOGIC Timing circuit Output control circuit DMPDMP+ Vreg amp2 amp3 13.5k Voltage Regulating Circuit Vreg Output off Circuit Vcc Vmos Vreg OUT1 D/A Conv OUT2 GND Neutral DAO Rev.1.00, Aug.26.2003, page 1 of 6 M64611FP Pin Arrangement Vreg DAO Neutral Vcc OUT1 OUT2 MD1 MD2 BT1 BT2 ST1 ST2 GND POT Rop1 Rop3 Rop2 DMPDMP+ Pin CL1 CL2 DB1 DB2 Outline : 24P2E M64611FP Pin Description Pin No. 1 2 3 Symbol Vreg DAO Neutral Function Regulated voltage output D/A converter output Neutral voltage output Notes Connect a capacitor for the stabilization between Vreg and GND Connect the capacitor for the filter of 100 – 1000pF between DAO and GND. Make it open usually. Connect a capacitor for the stabilization between Neutral and GND if Neu...