tmp88ph40mg TOSHIBA Semiconductor CORPORATION, tmp88ph40mg Datasheet - Page 73

• Manufacturer Part Number: tmp88ph40mg
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Figure 11-2 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
voltage
Internal
output
Mode
signal
CU
phase
Error handling,
Speed control
Figure 11-1 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 63
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
TMP88PH40MG