TB6539N TOSHIBA [Toshiba Semiconductor], TB6539N Datasheet - Page 11

• Manufacturer Part Number: TB6539N
• Description: 3-PHASE FULL-WAVE SINE-WAVE PWM BRUSHLESS MOTOR CONTROL
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

Operation Flow
Positional signal
(Hall IC)
Voltage
instruction
Oscillator
System clock
generator
Position
detector
(Note)
100%
92%
0
Phase matching
0.2 V (typ.)
(Phase U)
0.2 V (typ.)
Counter
Driven by square wave
Voltage instruction V
Voltage instruction V
Driven by sine wave
11
Phase U
Phase
Phase V
W
Note: Output ON time is decreased by the dead time.
(carrier frequency)
(modulation signal)
Sine-wave pattern
Triangular wave
(carrier frequency ´ 92% - T
e
e
5 V (V refout )
4.6 V
Comparator
d
´ 2)
TB6539N/F
2002-06-12
U
X
V
Y
W
Z