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MC33033DWG 데이터시트(PDF) 1 Page - ON Semiconductor

부품명 MC33033DWG
상세설명  Brushless DC Motor Controller
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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© 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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