MC33033_07 ONSEMI [ON Semiconductor], MC33033_07 Datasheet
MC33033_07
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MC33033_07 Summary of contents
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MC33033, NCV33033 Brushless DC Motor Controller The MC33033 is a high performance second generation, limited feature, monolithic brushless dc motor controller which has evolved from ON Semiconductor’s full featured MC33034 and MC33035 controllers. It contains all of the active functions ...
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FWR/REV 60°/120° Enable Undervoltage V CC Reference Regulator Speed Set Error Amp Thermal Faster Shutdown PWM R T Oscillator C T This device contains 266 active transistors. Figure 1. Representative Schematic Diagram MC33033, NCV33033 Rotor Position Decoder Lockout R Q ...
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MAXIMUM RATINGS Power Supply Voltage Digital Inputs (Pins 18, 19) Oscillator Input Current (Source or Sink) Error Amp Input Voltage Range Error Amp Output Current Current Sense Input Voltage Range Top Drive Voltage (Pins 1, 2, ...
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ELECTRICAL CHARACTERISTICS (V Characteristic REFERENCE SECTION Reference Output Voltage (I = 1.0 mA) ref T = 25°C A (Note 4) Line Regulation ( ref Load Regulation ( ...
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ELECTRICAL CHARACTERISTICS (continued) (V Characteristic OSCILLATOR SECTION Oscillator Frequency Frequency Change with Voltage ( Sawtooth Peak Voltage Sawtooth Valley Voltage LOGIC INPUTS Input Threshold Voltage (Pins 18, 19) High ...
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100 1.0 10 100 R , TIMING RESISTOR (kΩ) T Figure 2. Oscillator Frequency versus Timing Resistor ...
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− 25°C A − REFERENCE OUTPUT SOURCE CURRENT (mA) ref Figure 8. Reference Output Voltage ...
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1 25° ns/DIV Figure 14. Top Drive Output Waveform ...
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Pin Symbol Fwd//Rev Reference Output 8 Oscillator 9 Error Amp Noninverting Input 10 Error Amp Inverting ...
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INTRODUCTION The MC33033 is one of a series of high performance monolithic dc brushless motor controllers produced by ON Semiconductor. It contains all of the functions required to implement a limited−feature, open loop, three or four phase motor control system. ...
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MC33033, NCV33033 Sensor Inputs Forward/Revers 60°/120° Select Output Enable Reference Regulator Reference Output 7 Noninv. Input ...
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Inputs (Note 2) Sensor Electrical Phasing (Note 4) 60° 120° ...
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V. If one or both of the comparators detects an undervoltage condition, the top drives are turned off and the Capacitor C T Error Amp Out/ PWM Input ...
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R C 100 mV The addition of the RC filter will eliminate current−limit instability caused by the leading edge spike on the current waveform. Resistor R should be a low inductance type. S Figure 25. Current ...
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Enable Increase Speed 11 C Resistor R with capacitor C sets the acceleration time constant while R 1 controls the deceleration. The values of R and greater than the ...
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RC filter in series with the Current Sense Input. Using a low inductance type resistor for R will also aid in spike S reduction. Figure 36 shows the commutation waveforms over two electrical cycles. The first cycle (0° to ...
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S A Sensor Inputs S B 60°/120° Select Pin S Open C Code 100 110 S A Sensor Inputs S B 60°/120° Select Pin S Grounded C Code 100 110 A T Top Drive B T Outputs C ...
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Figure 37 shows a three phase, three step, half wave motor controller. This configuration is ideally suited for automobile and other low voltage applications since there is only one power switch voltage drop in series with a given 4 5 ...
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Three Phase Closed Loop Controller The MC33033, by itself, is capable of open loop motor speed control. For closed loop speed control, the MC33033 requires an input voltage proportional to the motor speed. Traditionally this has been accomplished by means ...
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Sensor Phasing Comparison There are four conventions used to establish the relative phasing of the sensor signals in three phase motors. With six step drive, an input signal change must occur every 60 electrical degrees, however, the relative signal phasing ...
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MC33033, NCV33033 Figure 42. Four Phase, Four Step, Full Wave Controller http://onsemi.com 21 ...
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S A Sensor Inputs 60°/120° Select Pin Open Code Top Drive Outputs Bottom Drive Outputs C B Conducting Power Switch Transistors + A ...
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MC33033, NCV33033 Figure 44. Four Phase, Four Step, Half Wave Motor Controller http://onsemi.com 23 ...
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Brush Motor Control Though the MC33033 was designed to control brushless dc motors, it may also be used to control dc brush−type motors. Figure 45 shows an application of the MC33033 driving a H−bridge affording minimal parts count to operate ...
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Device Operating Temperature Range MC33033DW MC33033DWG MC33033DWR2 T MC33033DWR2G MC33033P MC33033PG NCV33033DWR2* T NCV33033DWR2G* A †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. *NCV33033: ...
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SEATING PLANE 0.25 (0.010) MC33033, NCV33033 PACKAGE DIMENSIONS PDIP−20 P SUFFIX CASE 738−03 ISSUE 0.25 (0.010 ...
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20X 0. 18X ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes ...