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MC33033 반도체 회로 부품 판매점

BRUSHLESS DC MOTOR CONTROLLER



Motorola Semiconductors 로고
Motorola Semiconductors
MC33033 데이터시트, 핀배열, 회로
Order this document by MC33033/D
Brushless DC
Motor Controller
The MC33033 is a high performance second generation, limited feature,
monolithic brushless dc motor controller which has evolved from Motorolas
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 predessors, 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.
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
Device
MC33033DW
MC33033P
ORDERING INFORMATION
Operating
Temperature Range
TA = – 40° to + 85°C
Package
SO–20L
Plastic DIP
MC33033
BRUSHLESS DC
MOTOR CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
20
1
P SUFFIX
PLASTIC PACKAGE
CASE 738
20
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751D
(SO–20L)
PIN CONNECTIONS
Top Drive
Output
BT 1
AT 2
Fwd/Rev 3
Sensor
Inputs
SA 4
SB 5
SC 6
Reference Output 7
Oscillator 8
Error Amp
Non Inverting Input
Error Amp
Inverting Input
9
10
20 CT
19 Output Enable
18 60°/120° Select
17 AB
16 BB
15 CB
Bottom
Drive
Outputs
14 VCC
13 Gnd
12
Current Sense
Non Inverting Input
11 Error Amp Out/
PWM Input
(Top View)
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 3
1


MC33033 데이터시트, 핀배열, 회로
MC33033
Representative Schematic Diagram
VM
FWR/REV
60°/120°
Enable
VCC
Speed
Set
Faster
RT
CT
Rotor
Position
Decoder
Reference
Regulator
Undervoltage
Lockout
Error Amp
PWM
Oscillator
Thermal
Shutdown
R
Q
S
S
Q
R
Output
Buffers
Current Sense
This device contains 266 active transistors.
N
SS
N
Motor
2 MOTOROLA ANALOG IC DEVICE DATA




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MC33033 controller

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