MC33033DWG ON Semiconductor, MC33033DWG Datasheet - Page 16

• Manufacturer Part Number: MC33033DWG
• Description: IC CTLR DC MOTOR BRSHLSS 20SOIC
• Manufacturer: ON Semiconductor
• Type: Brushless DC Motor Controllerr

Specifications of MC33033DWG

• 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: Lead free / RoHS Compliant
• Other names: MC33033DWG; MC33033DWGOS

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