MC33033 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

MC33033

Brushless DC Motor Controller

ON Semiconductor 

MC33033, NCV33033

Rotor Electrical Position (Degrees)

Sensor Inputs

60°/120°

Select Pin

Open

0

SA

90

180

270

360

450

540

630

720

SB

Code

10

10

01

00

10

11

01

00

BT

Top Drive

Outputs

CT

Bottom Drive

Outputs

Conducting

Power Switch

Transistors

Motor Drive

Current

BB

CB

+

AO

−

+

BO

-

+

CO

−

+

DO

−

Q3 + Q5 Q4 + Q6 Q1 + Q7 Q2 + Q8 Q3 + Q5 Q4 + Q6 Q1 + Q7 Q2 + Q8

Full Speed (No PWM)

FWD/REV = 1

Figure 43. Four Phase, Four Step, Full Wave Commutation Waveforms

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