MC33033DWR2G ON Semiconductor, MC33033DWR2G Datasheet - Page 18

• Manufacturer Part Number: MC33033DWR2G
• Description: IC CTRLR MOTOR DC BRSHLSS 20SOIC
• Manufacturer: ON Semiconductor
• Type: Brushless DC Motor Controllerr

Specifications of MC33033DWR2G

• 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: MC33033DWR2GOS; MC33033DWR2GOS; MC33033DWR2GOSTR

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