SE6651

www.DataSheet4U.com SEAWARD ELECTRONICS Motor Control Circuit (Preliminary) Feature ¾ ¾ ¾ ¾ SE6651 Description The SE6651 is an IC designed for the rotating speed control of a compact DC motor, which is used for tape recorder, record player, etc. Small four-lead plastic package for compact motor. Fewer external parts. Stable low reference voltage (1.0V typical), wide motor speed setting. Highly stable operation over a wide range of supply voltage and torque supply voltage, VCC = 3.5V – 14.4V. Pin Configuration TOP-VIEW ¾ Built-in reverse voltage protection. TO-126B Typical Application VCC 22uH Pin Description RT = 180 Ohm Micro Motor RS EA M RA 10uF Pin No. 1 2 3 4 Pin Name VCC Control Pin GND Motor Pin DataSheet4U.com 1 SE6651 2 4 Motor Constant KA: Electromotive force constant = 1.1 mV/rpm RA: Internal Resistor = 5 Ohm KT: Torque constant = 100 g-cm/A DataShee 3 Block Diagram 2 VREF Vcc 1 COM 40 4 3 GND DataSheet4U.com Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., 2004. www.seawardinc.com 1 DataSheet 4 U .com www.DataSheet4U.com SEAWARD ELECTRONICS Motor Control Circuit (Preliminary) SE6651 Absolute Maximum Rating Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC 2 Maximum 14.4 2000 1300 -20 ~ +75 -40 ~ +150 Unit V mA mW °C °C PD1 TA TSTG Electrical Characteristics Parameter Reference Voltage Bias Current Cur...