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MC33033PG Datasheet(PDF) 1 Page - ON Semiconductor |
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MC33033PG Datasheet(HTML) 1 Page - ON Semiconductor |
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1 / 27 page  © Semiconductor Components Industries, LLC, 2007 January, 2007 − Rev. 9 1 Publication Order Number: MC33033/D 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 device consists of a rotor position decoder for proper commutation sequencing, temperature compensated reference capable of supplying sensor power, frequency programmable sawtooth oscillator, fully accessible error amplifier, pulse width modulator comparator, three open collector top drivers, and three high current totem pole bottom drivers ideally suited for driving power MOSFETs. Unlike its predecessors, it does not feature separate drive circuit supply and ground pins, brake input, or fault output signal. Included in the MC33033 are protective features consisting of undervoltage lockout, cycle−by−cycle current limiting with a selectable time delayed latched shutdown mode, and internal thermal shutdown. Typical motor control functions include open loop speed, forward or reverse direction, and run enable. The MC33033 is designed to operate brushless motors with electrical sensor phasings of 60 °/300° or 120 °/240°, and can also efficiently control brush dc motors. Features • 10 to 30 V Operation • Undervoltage Lockout • 6.25 V Reference Capable of Supplying Sensor Power • Fully Accessible Error Amplifier for Closed Loop Servo Applications • High Current Drivers Can Control External 3−Phase MOSFET Bridge • Cycle−By−Cycle Current Limiting • Internal Thermal Shutdown • Selectable 60°/300° or 120°/240° Sensor Phasings • Also Efficiently Control Brush DC Motors with External MOSFET H−Bridge • NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes • Pb−Free Packages are Available SO−20L DW SUFFIX CASE 751D PIN CONNECTIONS PDIP−20 P SUFFIX CASE 738 AT BT Top Drive Output 12 Bottom Drive Outputs 11 (Top View) 13 14 15 16 17 10 9 8 7 6 5 Sensor Inputs 4 Error Amp Inverting Input Error Amp Non Inverting Input Oscillator Reference Output SC SB SA 60 °/120° Select Fwd/Rev Error Amp Out/ PWM Input Current Sense Non Inverting Input Gnd CT 18 19 BB CB 3 20 Output Enable 2 AB 1 VCC 20 1 20 1 http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 25 of this data sheet. ORDERING INFORMATION See general marking information in the device marking section on page 25 of this data sheet. DEVICE MARKING INFORMATION |
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