tmp88cs43fg TOSHIBA Semiconductor CORPORATION, tmp88cs43fg Datasheet - Page 137

• Manufacturer Part Number: tmp88cs43fg
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Figure 13-2 Example of Sensorless DC Motor Control Timing Chart
Position
detection
Position
detection start
Commutation
Failure
determination
Six-phase
U phase
V phase
X phase
Y phase
Z phase
Induced
Internal
voltage
output
signal
Mode
CU
phase
Error handling,
Speed control
Figure 13-1 Conceptual Diagram of DC Motor Control
etc.
H
L
30
60
45
0
120
P D circuit
Three-phase PW
Protective control
Position detection
Electrical angle timer
Waveform calculation
crossing
Zero
1
U phase
Page 127
2
U, V, W, X, Y, Z
PDU, PDV, PDW
CL, E G
3
V phase
4
Power drive
Upper phase: u, v, w
Lower phase: x, y, z
DC motor
5
DC current
phase
TMP88CS43FG