NCV33033 ON Semiconductor, NCV33033 Datasheet
NCV33033
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NCV33033 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 required for the implementation of open loop, three or four phase motor control. The ...
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... 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 http://onsemi.com Motor ...
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... The input common mode voltage or input signal voltage should not be allowed to go negative by more than 0 The compliance voltage must not exceed the range of − 0 NCV33033 −40° 125°C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and change ...
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... Output Voltage Swing High State ( Gnd) L Low State ( ref 4. MC33033 −40° 85°C; NCV33033 Maximum package power dissipation limits must be observed. MC33033, NCV33033 = 4 nF 25°C, unless otherwise noted ...
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... Low State ( mA) CC sink Bottom Drive Output Switching Time (C = 1000 pF) L Rise Time Fall Time Under Voltage Lockout Drive Output Enabled (V Increasing) CC Hysteresis Power Supply Current MC33033, NCV33033 = 4 nF Symbol Min f OSC Δf /ΔV OSC V OSC( ...
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... T = 25°C A −16 − 100 k f, FREQUENCY (Hz) Figure 4. Error Amp Open Loop Gain and Phase versus Frequency 3.05 3.0 2.95 1.0 μs/DIV Figure 6. Error Amp Small−Signal Transient Response MC33033, NCV33033 4 25° 2 − − 4.0 1000 − ...
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... AMBIENT TEMPERATURE (°C) A Figure 10. Reference Output Voltage versus Temperature 250 200 150 100 50 0 1.0 2.0 3.0 4 CURRENT SENSE INPUT VOLTAGE (NORMALIZED TO V Sense Figure 12. Bottom Drive Response Time versus Current Sense Input Voltage MC33033, NCV33033 7.0 6.0 5.0 4.0 3.0 2.0 1 Figure 9. Reference Output Voltage versus 100 ...
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... T = 25°C 100 ns/DIV Figure 16. Bottom Drive Output Waveform 8.0 6.0 4.0 2 Figure 18. Supply Current versus Voltage MC33033, NCV33033 100 0 Figure 15. Bottom Drive Output Waveform 0 −1 25°C − 2.0 A 2.0 1 Figure 17. Bottom Drive Output Saturation ...
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... 60°/120° Select 19 Output Enable MC33033, NCV33033 PIN FUNCTION DESCRIPTION Description These three open collector Top Drive Outputs are designed to drive the external upper power switch transistors. The Forward/Reverse Input is used to change the direction of motor rotation. These three Sensor Inputs control the commutation sequence. ...
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... With six valid input codes, the decoder can resolve the motor rotor position to within a window of 60 electrical degrees. MC33033, NCV33033 The Forward/Reverse input (Pin 3) is used to change the direction of motor rotation by reversing the voltage across the stator winding ...
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... MC33033, NCV33033 Sensor Inputs Forward/Revers 60°/120° Select Output Enable Reference Regulator Reference Output 7 Noninv. Input Error Amp 9 Faster 10 PWM Error Amp Out PWM Input 8 Oscillator C T Sink Only ...
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... stator(max) The dual−latch PWM configuration ensures that only one single output conduction pulse occurs during any given oscillator cycle, whether terminated by the output of the Error Amplifier or the current limit comparator. MC33033, NCV33033 Top Drives Current F/R Enable Sense ...
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... The collector diode is required low. Figure 23. High Voltage Interface with NPN Power Transistors MC33033, NCV33033 Bottom Drive Outputs are held in a low state. Each of the comparators contain hysteresis to prevent oscillations when crossing their respective thresholds. To Control Circuitry and Sensor Power The NPN circuit is recommended for powering Hall or opto sensors, where the output voltage temperature coefficient is not critical ...
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... This circuit generates V for Figure 24. Boost Figure 29. High Voltage Boost Supply MC33033, NCV33033 R S Series gate resistor R by the MOSFET input capacitance and any series wiring induction in the gate−source circuit. Diode D is required if the negative current into the Bottom Drive Outputs exceeds 50 mA ...
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... Each output is capable of sourcing and sinking up to 100 mA. Thermal Shutdown Internal thermal shutdown circuity is provided to protect the IC in the event the maximum junction temperature is exceeded. When activated, typically at 170°C, the IC acts as though the regulator was disabled, in turn shutting down the IC. MC33033, NCV33033 16 REF ...
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... T 8 Oscillator C T Figure 35. Three Phase, Six Step, Full Wave Motor Controller MC33033, NCV33033 to 720°) shows a reduced speed with about 50% pulse width modulation. The current waveforms reflect a constant torque load and are shown synchronous to the commutation frequency for clarity. Rotor ...
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... Transistors + A O − + Motor Drive B O Current − − Figure 36. Three Phase, Six Step, Full Wave Commutation Waveforms MC33033, NCV33033 Rotor Electrical Position (Degrees) 120 180 240 300 360 100 111 011 001 000 010 011 001 101 100 Q ...
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... T 8 Oscillator C T Figure 37. Three Phase, Three Step, Half Wave Motor Controller MC33033, NCV33033 stator winding. Current flow is unidirectional or half wave because only one end of each winding is switched. The stator flyback voltage is clamped by a single zener and three diodes. Rotor Position ...
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... Close Loop Figure 38. Closed Loop Brushless DC Motor Control With the MC33033 Using the MC33039 MC33033, NCV33033 pulses present at Pin 5 of the MC33039 are integrated by the Error Amplifier of the MC33033 configured as an integrator, to produce a dc voltage level which is proportional to the motor speed. This speed proportional ...
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... Figure 40. Sensor Phasing Table MC33033, NCV33033 In this data sheet, the rotor position has always been given in electrical degrees since the mechanical position is a function of the number of rotating magnetic poles. The relationship between the electrical and mechanical position is: Electrical Degrees + Mechanical Degrees #Rotor Poles An increase in the number of magnetic poles causes more electrical revolutions for a given mechanical revolution ...
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... MC33033, NCV33033 Figure 42. Four Phase, Four Step, Full Wave Controller http://onsemi.com 21 ...
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... Transistors + A O − − Motor Drive + Current C O − − Figure 43. Four Phase, Four Step, Full Wave Commutation Waveforms MC33033, NCV33033 Rotor Electrical Position (Degrees) 180 270 360 450 ...
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... MC33033, NCV33033 Figure 44. Four Phase, Four Step, Half Wave Motor Controller http://onsemi.com 23 ...
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... Faster PWM Oscillator 0.005 MC33033, NCV33033 fly, using the normal Forward/Reverse switch, and not have to completely stop before reversing. LAYOUT CONSIDERATIONS Do not attempt to construct any of the motor control ) and a bottom−right 1 circuits on wire−wrap or plug−in prototype boards. High ...
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... Guaranteed by design. NCV prefix is for automotive and other applications requiring site and change low high control. SO−20L DW SUFFIX CASE 751D 20 MC33033DW AWLYYWWG 1 20 NCV33033DW AWLYYWWG 1 MC33033, NCV33033 ORDERING INFORMATION Package SO−20L SO−20L (Pb−Free) SO−20L = −40°C to +85°C SO−20L A (Pb−Free) PDIP−20 PDIP−20 (Pb−Free) SO−20L = − ...
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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 http://onsemi.com 26 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...
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... Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com MC33033, NCV33033 PACKAGE DIMENSIONS SO−20L DW SUFFIX CASE 751D−05 ...