IC CTLR DC MOTOR BRSHLSS 20SOIC

MC33033DWG

Manufacturer Part NumberMC33033DWG
DescriptionIC CTLR DC MOTOR BRSHLSS 20SOIC
ManufacturerON Semiconductor
TypeBrushless DC Motor Controller
MC33033DWG datasheet
 


Specifications of MC33033DWG

ApplicationsDC Motor Controller, Brushless (BLDC), 3 PhaseNumber Of Outputs1
Current - Output100mAVoltage - Load5.9 V ~ 6.5 V
Voltage - Supply10 V ~ 30 VOperating Temperature-40°C ~ 85°C
Mounting TypeSurface MountPackage / Case20-SOIC (7.5mm Width)
Operating Supply Voltage10 V to 30 VSupply Current22 mA
Mounting StyleSMD/SMTLead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesMC33033DWG
MC33033DWGOS		  
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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
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
© Semiconductor Components Industries, LLC, 2007
November, 2007 - Rev. 10
http://onsemi.com
PDIP-20
P SUFFIX
CASE 738
SO-20L
DW SUFFIX
CASE 751D
PIN CONNECTIONS
Top Drive
1
B
T
Output
A
2
T
3
Fwd/Rev
S
4
A
Sensor
S
5
B
Inputs
S
6
C
7
Reference Output
8
Oscillator
Error Amp
9
Non Inverting Input
Error Amp
10
Inverting Input
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 25 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 25 of this data sheet.
1
20
1
20
1
20
C
T
19
Output Enable
18
60°/120° Select
A
17
B
Bottom
16
B
Drive
B
Outputs
15
C
B
14
V
CC
13
Gnd
Current Sense
12
Non Inverting Input
Error Amp Out/
11
PWM Input
Publication Order Number:
MC33033/D

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MC33033DWG Summary of contents

  • Page 1

    ... 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 ...

  • Page 2

    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 ...

  • Page 3

    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, ...

  • Page 4

    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 ( ...

  • Page 5

    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 ...

  • Page 6

    100 1.0 10 100 R , TIMING RESISTOR (kΩ) T Figure 2. Oscillator Frequency versus Timing Resistor ...

  • Page 7

    25° REFERENCE OUTPUT SOURCE CURRENT (mA) ref Figure 8. Reference Output Voltage ...

  • Page 8

    1 25° ns/DIV Figure 14. Top Drive Output Waveform ...

  • Page 9

    Pin Symbol Fwd//Rev Reference Output 8 Oscillator 9 Error Amp Noninverting Input 10 Error Amp Inverting ...

  • Page 10

    ... 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. Constructed with Bipolar Analog technology, it offers a high degree of performance and ruggedness in hostile industrial environments. The ...

  • Page 11

    MC33033, NCV33033 Sensor Inputs Forward/Revers 60°/120° Select Output Enable Reference Regulator Reference Output 7 Noninv. Input ...

  • Page 12

    Inputs (Note 2) Sensor Electrical Phasing (Note 4) 60° 120° ...

  • Page 13

    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 ...

  • Page 14

    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 ...

  • Page 15

    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 R 1 greater than the speed ...

  • Page 16

    RC filter in series with the Current Sense Input. Using a low inductance type resistor for R S reduction. Figure 36 shows the commutation waveforms over two electrical cycles. The first cycle (0° to 360°) depicts motor operation at ...

  • Page 17

    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 ...

  • Page 18

    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 ...

  • Page 19

    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 ...

  • Page 20

    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 ...

  • Page 21

    MC33033, NCV33033 Figure 42. Four Phase, Four Step, Full Wave Controller http://onsemi.com 21 ...

  • Page 22

    S A Sensor Inputs 60°/120° Select Pin Open Code Top Drive Outputs Bottom Drive Outputs C B Conducting Power Switch Transistors + A ...

  • Page 23

    MC33033, NCV33033 Figure 44. Four Phase, Four Step, Half Wave Motor Controller http://onsemi.com 23 ...

  • Page 24

    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 ...

  • Page 25

    ... Device Operating Temperature Range MC33033DW MC33033DWG MC33033DWR2 T MC33033DWR2G MC33033P MC33033PG NCV33033DWR2* T NCV33033DWR2G* 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 -40C +125C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and change ...

  • Page 26

    SEATING PLANE MC33033, NCV33033 PACKAGE DIMENSIONS PDIP-20 P SUFFIX CASE 738-03 ISSUE 0.25 (0.010) 0.25 (0.010 ...

  • Page 27

    ... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT:  Literature Distribution Center for ON Semiconductor   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   ...

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