SE6651 SEAWARD | Alldatasheet

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Technical content

All contents are subject to change without prior notice. Motor Control Circuit (Preliminary) 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. Feature ¾ Small four-lead plastic package for compact motor. ¾ Fewer external parts. ¾ Stable low reference voltage (1.0V typical), wide motor speed setting. ¾ Highly stable operation over a wide range of supply voltage and torque supply voltage, VCC = 3.5V – 14.4V. ¾ Built-in reverse voltage protection. Pin Configuration TO-126B TOP-VIEW Pin Description Pin No. Pin Name

1 VCC

2 Control Pin

3 GND

4 Motor Pin

M VCC 10uF EA RA Micro Motor RS RT = 180 Ohm SE6651 22uH Motor Constant KA: Electromotive force constant = 1.1 mV/rpm RA: Internal Resistor = 5 Ohm KT: Torque constant = 100 g-cm/A Block Diagram GND 4Vcc V COM REF

All contents are subject to change without prior notice. Motor Control Circuit (Preliminary) SE6651 Absolute Maximum Rating Parameter Symbol Maximum Unit Supply Voltage V CC 14.4 V Supply Current ICC 2 2000 mA Power Dissipation PD 1 1300 mW Operating Ambient Temperature T A -20 ~ +75 °C Storage Temperature T STG -40 ~ +150 °C

Electrical Characteristics

Parameter Symbol Condition Min Typ. Max Unit Reference Voltage V REF V CC = 6V, RA = 1KΩ 1 1.02 1.04 V Bias Current I BIAS V CC = 6V 0.425 0.484 0.543 mA Current Proportional Constance K VCC = 6V, DI4 = 40mA 40.96 41.53 42.09 Line Regulation REF REF V VΔ / VCC VCC = 3.5V ~ 14V, RA = 1KΩ 0.1 0.13 0.16 %/V Load Regulation REF REF V VΔ / I4 I 4 = 50mA ~ 200mA 0.038 0.04 0.043 %/mA Voltage Characteristics K KΔ / VCC VCC = 3.5V ~ 14V, DI4 = 40mA 0.61 0.68 0.75 %/V Current Characteristics K KΔ / I4 I 4 = 50mA ~ 200mA -0.0046 -0.008 -0.0123 %/mA Temperature Characteristics REF REF V VΔ / TA TA = -20°C ~ 75°C, VCC = 6V, RA = 1KΩ 0.05 %/°C Temperature Characteristics K KΔ / TA TA = -20°C ~ 75°C, DI4 = 40mA 0.001 %/°C

All contents are subject to change without prior notice. Motor Control Circuit (Preliminary) SE6651 Outline Drawing for TO-126B A B C D H G I J L K M E F TO-126B P1P2 I I I J J MIN MAX MIN MAX A 0.312 0.328 7.800 8.200 B 0.196 0.204 4.900 5.100 C 0.156 0.164 3.900 4.100 D 0.432 0.448 10.800 11.200 E 0.076 0.084 1.900 2.100 F 0.116 0.124 2.900 3.100 G 0.046 0.054 1.155 1.355 H 0.560 0.640 14.000 16.000 I 0.024 0.024 0.600 0.600 J 0.071 0.071 1.778 1.778 K 0.066 0.070 1.650 1.750 L 0.124 0.132 3.100 3.300 M 0.019 0.021 0.485 0.515 N1 0.028 0.028 0.700 0.700 N2 0.024 0.024 0.600 0.600 P1 0.128 0.128 3.200 3.200 P2 0.122 0.122 3.050 3.050 DIMENSIONS DIMN INCHES MM

All contents are subject to change without prior notice. Motor Control Circuit (Preliminary) SE6651 Customer Support Seaward Electronics Incorporated – China Section B, 2nd Floor, ShangDi Scientific Office Complex, #22 XinXi Road Haidian District, Beijing 100085, China Tel: 86-10-8289-5700/01/05 Fax: 86-10-8289-5706 Seaward Electronics Corporation – Taiwan 2F, #181, Sec. 3, Minquan East Rd, Taipei, Taiwan R.O.C Tel: 886-2-2712-0307 Fax: 886-2-2712-0191 Seaward Electronics Incorporated – North America 1512 Centre Pointe Dr. Milpitas, CA95035, USA Tel: 1-408-821-6600 Last Updated - 12/4/2008