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MC33035PN/a60avaiBrushless DC Motor Controller
MC33039MOTOROLAN/a100avaiClosed-Loop Brushless Motor Adapter


MC33039 ,Closed-Loop Brushless Motor Adapterblock diagram. Selection every mechanical revolution, each Hall–effect sensorof timing components f ..
MC33039D ,Closed-Loop Brushless Motor AdapterThermal CharacteristicsMaximum Power Dissipation @ T = + 85°C P 650 mWA DThermal Resistance, Juncti ..
MC33039DR2G , Closed Loop Brushless Motor Adapter
MC33039DR2G , Closed Loop Brushless Motor Adapter
MC33039P ,CLOSED LOOP BRUSHLESS MOTOR ADAPTERthe need for a magnetic or optical tachometer. This device containsthree input buffers each with hy ..
MC3303D ,Quad Operational AmplifierMAXIMUM RATINGS CC EERating Symbol Value Unit5 10+ +42Inputs 3Inputs 2Power Supply Voltages Vdc– –6 ..
MC74HC133N ,13-Input NAND GateELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ..
MC74HC133N ,13-Input NAND GateMAXIMUM RATINGS*ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ..
MC74HC137N ,1-of-8 Decoder/Demultiplexer with Address LatchELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ..
MC74HC137N ,1-of-8 Decoder/Demultiplexer with Address LatchMAXIMUM RATINGS*ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ..
MC74HC138A ,1-of-8 Decoder/DemultiplexerLOGIC DIAGRAMA = Assembly Location115A0 Y0WL = Wafer LotADDRESS 142Y1 YY = YearA1INPUTS13WW = Work ..
MC74HC138AD ,1-of-8 Decoder/Demultiplexer* High–Performance Silicon–Gate CMOSThe MC74HC138A is identical in pinout to the LS138. The devicei ..


MC33035P-MC33039
Brushless DC Motor Controller
AN1046/D
Three Piece Solution for
Brushless Motor Controller
Design
Prepared by: Kim Gauen and Jade Alberkrack

Until recently, motor control designers who wished to
take advantage of the brushless DC motor’s unique
attributes were faced with a difficult task. There were
no control ICs designed to decode data coming from Hall
effect sensors, let alone perform all the ancillary functions
such as forward/reverse selection, overcurrent shutdown,
undervoltage lockout, overtemperature shutdown, and so
forth. Using discrete components to include these functions
was an alternative, but discretes often consumed far too
much circuit board area, especially if the control unit was to
be placed inside the motor housing.
Another problem area was the inadequate performance of
the available power transistors. Power bipolars weren’t
favored because they can’t be driven directly from a control
IC, and Darlingtons have on–state voltages that are
sometimes too high. Power MOSFETs seemed to be the
ideal choice since they are easy to drive, efficient
inexpensive. However, designers were sometimes troubled
by their inability to withstand stresses common in pulse
width modulate motor controllers.
Three recently introduced devices, a power module and
two linear ICs, combine to overcome the limitations of the
semiconductors to form a simple design, high performance
system. The power module is the MPM3003, a three–phase
bridge housed in a 12–pin power package (Figure 1). Its
three upper transistors are 0.28 ohm P–channel power
MOSFETs and the three lower devices are 0.15 ohm
N–channels. All six devices have drain–to–source voltage
ratings of 60 V
P-CHANNEL SOURCES
GATE OF Q1
GATE OF Q3
GATE OF Q5
TO PHASE A
GATE OF Q6
GATE OF Q4
GATE OF Q2
N-CHANNEL SOURCES
Aluminum
Substrate
Lead Frame and
Die Attachment
Wire Bonding
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