TB6556F TOSHIBA [Toshiba Semiconductor], TB6556F Datasheet - Page 14

• Manufacturer Part Number: TB6556F
• Description: 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

Operation Flow
Positional signal
(Hall IC)
Voltage
instruction
Oscillator
System clock
generator
detector
Position
(Note)
100%
92%
0
Phase matching
Voltage command signal V
Voltage command signal V
Counter
Driven by square wave
Driven by sine wave
2.1 V (typ.)
2.1 V (typ.)
14
Note: Output ON time is decreased by the dead time
Phase U
Phase V
Phase
W
(carrier frequency × 92% − T
(carrier frequency)
(modulation signal)
Sine-wave pattern
Triangular wave
e
e
5.0 V (typ.)
5.4 V (typ.)
Comparator
d
× 2)
TB6556F/FG
2005-01-19
U
X
V
Y
W
Z