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| Data Sheet MOTOR CONTROL CIRCUIT General Description The AM6651B is a monolithic integrated circuit that provides motor speed control, reverse voltage protection, and stable reference voltage. This IC is specially designed for tape recorder and recorder player. The AM6651B is available in plastic TO-126B package. AM6651B Features * * * * * * Small 4-lead Plastic Package for Compact Motor Few External Components Stable Low Reference Voltage (1.0V, Typ) Wide Motor Speed Control Highly Stable Operation over a Wide Range of Supply Voltage, VCC=3.5V to 14.4V Reverse Voltage Protection Circuit Built-in Applications * * Tape Recorder Recorder Player TO-126B Figure 1. Package Type of AM6651B Mar. 2007 Rev. 1. 3 1 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Pin Configuration AM6651B U Package (TO-126B) OUT GND CON 1 VCC Figure 2 Pin Configuration of AM6651B (Top View) Pin Description Pin Number 1 2 3 4 Pin Name VCC CON GND OUT Function Supply voltage Control pin Ground Output Mar. 2007 Rev. 1. 3 2 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Functional Block Diagram AM6651B CON 2 VREF 4 OUT VCC 1 COM 3 GND Figure 3. Functional Block Diagram of AM6651B Mar. 2007 Rev. 1. 3 3 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Ordering Information AM6651B Circuit Type E1: Lead Free Blank: Tin Lead Blank: Tube AM6651B Package U: TO-126B Package TO-126B Temperature Range 0 to 70 Part Number Tin Lead AM6651BU Lead Free AM6651BU-E1 Marking ID Tin Lead AM6651BU Lead Free AM6651BU-E1 Packing Type Tube BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Absolute Maximum Ratings (Note 1) Parameter Supply Voltage Supply Current Power Dissipation Storage Temperature Range Symbol VCC ICC PD TSTG Value 16 500 (Note 2) 1300 -40 to 150 Unit V mA mW Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Note 2: The transient startup/shutdown current is allowed to exceed 1.0A. Recommended Operating Conditions Parameter Supply Voltage Operating Temperature Symbol VCC TA Min 3.5 0 Max 14.4 70 Unit V Mar. 2007 Rev. 1. 3 4 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Electrical Characteristics (VCC=6V, TA=25oC, unless otherwise specified.) Parameter Reference Voltage Bias Current Current Coefficient Saturation Voltage Voltage Characteristic of Reference Voltage Voltage Characteristic of Current Coefficient Current Characteristic of Reference Voltage Current Characteristic of Current Coefficient Temperature Characteristic of Reference Voltage Temperature Characteristic of Current Coefficient Symbol VREF IBIAS K VSAT (VREF/VREF)/ VCC (K/K)/VCC (VREF/VREF)/I4 (K/K)/I4 Conditions VCC=6V, RA=1k (Figure 6) VCC=6V (Figure 5) VCC=6V, I4=40mA (Figure 4) (Note 3) VCC=4.2V, RA=5 VCC=3.5 to 14V, RA=1k VCC=3.5 to 14V, I4=40mA I4=50 to 200mA I4=50 to 200mA VCC=6V, RA=1k TA=0 to 70 VCC=6V, I4=40mA TA=0 to 70 35 1.06 -0.02 Min 0.90 Typ 1.0 0.9 Max 1.10 1.8 45 2 V %/V Unit V mA AM6651B 0.39 %/V -0.06 -0.01 %/mA %/mA (VREF/VREF)/TA 0.01 %/ (K/K)/TA 0.01 %/ Note 3: I4 is the motor driver current, please see Figures 4 and 5. Mar. 2007 Rev. 1. 3 5 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Test Circuits AM6651B VCC VCC I2 I4 RT 180 2 4 RA 1k I2 2 I4 1 AM 6651B 1 AM 4 6651B 3 3 Figure 4. Test Circuit 1 (K = I4/I2) Figure 5. Test Circuit 2 (IBIAS=I2-I4/K) VCC RT 200 VREF V RS 2 1 AM 6651B RA 240 4 V VSAT 3 Figure 6. Test Circuit 3 Mar. 2007 Rev. 1. 3 6 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Typical Application AM6651B 22H VCC RT 180 M 10F RS 2 1 AM 6651B R 4 Motor (6V DC Motor) constants KA: Electromotive force constant = 1.1mV/rpm RA: Internal resistor = 5 KT: Torque constant = 100g.cm/A 3 Figure 7. Typical Application of AM6651B Mar. 2007 Rev. 1. 3 7 BCD Semiconductor Manufacturing Limited Data Sheet MOTOR CONTROL CIRCUIT Mechanical Dimensions TO-126B Unit: mm(inch) AM6651B 7.800(0.307) 8.200(0.323) 3.700(0.146) 3.900(0.154) 3.000(0.118) 3.400(0.134) 1.500(0.059) 1.900(0.075) 10.800(0.425) 11.200(0.441) 2.900(0.114) 3.100(0.122) 0.500(0.020) 0.700(0.028) 0.600(0.024) 0.800(0.031) 1.717(0.068) 1.917(0.075) 0.600(0.024) 0.800(0.031) 15.300(0.602) 15.700(0.618) 0.900(0.035) 1.100(0.043) 1.778(0.070) TYP 5.234(0.206) 5.434(0.214) 0.450(0.018) 0.600(0.024) Mar. 2007 Rev. 1. 3 8 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. MAIN SITE BCD Semiconductor Manufacturing Limited - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 BCD Semiconductor Manufacturing Limited - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corporation 30920 Huntwood Ave. Hayward, CA 94544, U.S.A Tel : +1-510-324-2988 Fax: +1-510-324-2788 |
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