MC33033DW ON Semiconductor, MC33033DW Datasheet - Page 18
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MC33033DW
Manufacturer Part Number
MC33033DW
Description
IC CTRLR DC MOTOR BRSHLSS 20SOIC
Manufacturer
ON Semiconductor
Type
Brushless DC Motor Controllerr
Datasheet
1.MC33033DWR2G.pdf
(27 pages)
Specifications of MC33033DW
Applications
DC Motor Controller, Brushless (BLDC), 3 Phase
Number Of Outputs
1
Current - Output
100mA
Voltage - Load
5.9 V ~ 6.5 V
Voltage - Supply
10 V ~ 30 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Operating Supply Voltage
10 V to 30 V
Supply Current
22 mA
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Manufacturer
Quantity
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controller. This configuration is ideally suited for
automobile and other low voltage applications since there is
only one power switch voltage drop in series with a given
Figure 37 shows a three phase, three step, half wave motor
R
C
T
FWR/REV
T
60°/120°
Enable
Speed
Set
V
M
Faster
10
11
18
19
14
6
3
7
9
8
4
5
Figure 37. Three Phase, Three Step, Half Wave Motor Controller
Error Amp
Reference
Regulator
Oscillator
PWM
Undervoltage
Shutdown
Thermal
MC33033, NCV33033
13
Decoder
R
S
S
R
Position
http://onsemi.com
Rotor
Lockout
Q
Q
Gnd
18
stator winding. Current flow is unidirectional or half wave
because only one end of each winding is switched. The stator
flyback voltage is clamped by a single zener and three
diodes.
I
Limit
20
1
17
16
2
15
12
V
M
S
Motor
N
N
S