MC33033DW ON Semiconductor, MC33033DW Datasheet - Page 16
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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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an RC filter in series with the Current Sense Input. Using a
low inductance type resistor for R
reduction. Figure 36 shows the commutation waveforms
over two electrical cycles. The first cycle (0° to 360°) depicts
motor operation at full speed while the second cycle (360°
R
C
FWR/REV
T
T
60°/120°
Enable
Speed
Set
V
M
Faster
10
11
18
19
14
6
3
7
9
8
4
5
Error Amp
Reference
Regulator
Figure 35. Three Phase, Six Step, Full Wave Motor Controller
Oscillator
PWM
S
will also aid in spike
Undervoltage
Shutdown
Thermal
MC33033, NCV33033
Decoder
R
S
S
R
Position
13
Rotor
Lockout
Q
Q
http://onsemi.com
Gnd
16
to 720°) shows a reduced speed with about 50% pulse width
modulation. The current waveforms reflect a constant
torque load and are shown synchronous to the commutation
frequency for clarity.
I
Limit
20
1
2
17
16
15
12
C
Q
Q
3
6
R
V
M
Q
Q
2
5
Q
1
Q
R
4
S
A
B
C
S
Motor
N
N
S