MC33035P

Product Summary

The MC33035P is one of a series of high performance monolithic DC brushless motor controllers produced by Motorola. It contains all of the functions required to implement a full-featured, open loop, three or four phase motor control system. In addition, the controller can be made to operate DC brush motors. Constructed with Bipolar Analog technology, MC33035P offers a high degree of performance and ruggedness in hostile industrial environments. The MC33035P contains a rotor position decoder for proper commutation sequencing, a temperature compensated reference capable of supplying a sensor power, a frequency programmable sawtooth oscillator, a fully accessible error amplifier, a pulse width modulator comparator, three open collector top drive outputs, and three high current totem pole bottom driver outputs ideally suited for driving power MOSFETs.

Parametrics

MC33035P absolute maximum ratings: (1)Power Supply Voltage VCC: 40 V; (2)Digital Inputs (Pins 3, 4, 5, 6, 22, 23): Vref V; (3)Oscillator Input Current (Source or Sink) IOSC: 30 mA; (4)Error Amp Input Voltage Range VIR: -0.3 to Vref V; (5)Error Amp Output Current, IOut: 10 mA; (6)Current Sense Input Voltage Range VSense: -0.3 to 5.0 V; (7)Fault Output Voltage VCE(Fault): 20 V; (8)Fault Output Sink Current ISink(Fault): 20 mA; (9)Top Drive Voltage (Pins 1, 2, 24) VCE(top): 40 V; (10)Top Drive Sink Current (Pins 1, 2, 24) ISink(top): 50 mA; (11)Bottom Drive Supply Voltage (Pin 18) VC: 30 V; (12)Bottom Drive Output Current (Source or Sink, Pins 19, 20, 21) IDRV: 100 mA; (13)Operating Junction Temperature TJ: 150 ℃; (14)Storage Temperature Range Tstg: -65 to +150 ℃.

Features

MC33035P features: (1)10 to 30 V Operation; (2)Undervoltage Lockout; (3)6.25 V Reference Capable of Supplying Sensor Power; (4)Fully Accessible Error Amplifier for Closed Loop Servo Applications; (5)High Current Drivers Can Control External 3-Phase MOSFET; (6)Bridge; (7)Cycle-By-Cycle Current Limiting; (8)Pinned-Out Current Sense Reference; (9)Internal Thermal Shutdown; (10)Selectable 60300or 120240Sensor Phasings; (11)Can Efficiently Control Brush DC Motors with External MOSFET H-Bridge; (12)NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes; (13)Pb-Free Packages are Available.

Diagrams