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MC33039 데이터시트(PDF) 1 Page - ON Semiconductor

부품명 MC33039
상세설명  CLOSED LOOP BRUSHLESS MOTOR ADAPTER
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC33039 데이터시트(HTML) 1 Page - ON Semiconductor

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Device
Operating
Temperature Range
Package
MC33039
SEMICONDUCTOR
TECHNICAL DATA
CLOSED LOOP
BRUSHLESS MOTOR
ADAPTER
ORDERING INFORMATION
MC33039D
MC33039P
TA = – 40° to +85°C
SO–8
Plastic DIP
Order this document by MC33039/D
PIN CONNECTIONS
fout
RT/CT
Gnd
Inputs
φB
φA
φA
4
3
2
8
7
6
5
φC 1
(Top View)
VCC
P SUFFIX
PLASTIC PACKAGE
CASE 626
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
1
8
1
8
1
MOTOROLA ANALOG IC DEVICE DATA
Closed Loop Brushless
Motor Adapter
The MC33039 is a high performance closed–loop speed control adapter
specifically designed for use in brushless DC motor control systems.
Implementation will allow precise speed regulation without the need for a
magnetic or optical tachometer. This device contains three input buffers
each with hysteresis for noise immunity, three digital edge detectors, a
programmable monostable, and an internal shunt regulator. Also included is
an inverter output for use in systems that require conversion of sensor
phasing. Although this device is primarily intended for use with the MC33035
brushless motor controller, it can be used cost effectively in many other
closed–loop speed control applications.
Digital Detection of Each Input Transition for Improved Low
Speed Motor Operation
TTL Compatible Inputs With Hysteresis
Operation Down to 5.5 V for Direct Powering from MC33035 Reference
Internal Shunt Regulator Allows Operation from a Non–Regulated
Voltage Source
Inverter Output for Easy Conversion between 60°/300° and 120°/240°
Sensor Phasing Conventions
Representative Block Diagram
15 k
+
To Rotor
Position
Sensors
VCC
7
Gnd
φC
4
φA
+
20 k
0.3 V
+
+
8.25 V
8
RT
fout
5
2R
R
+
R
Delay
Q
S
1
φA
φB
6
3
2
CT
Delay
Delay
+
© Motorola, Inc. 1996
Rev 0


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