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TB6556FG Datasheet(PDF) 14 Page - Toshiba Semiconductor

Part No. TB6556FG
Description  3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TB6556FG Datasheet(HTML) 14 Page - Toshiba Semiconductor

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TB6556FG
2012-10-22
14
Operation Flow
Note: Output ON time is decreased by the dead time
(carrier cycle
 92% − Td  2)
Sine-wave pattern
(modulation signal)
Triangular wave
(carrier frequency)
Position
detector
Counter
System clock
generator
Phase matching
Positional signal
(Hall IC)
Voltage
instruction
Oscillator
Comparator
Phase
W
Phase V
Phase U
U
X
V
Y
W
Z
Voltage command signal Ve
Driven by sine wave
2.1 V (typ.)
100%
5.4 V (typ.)
0
Voltage command signal Ve
Driven by square wave
2.1 V (typ.)
92%
(Note)
5.0 V (typ.)


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