TB6556FG Toshiba, TB6556FG Datasheet - Page 14

• Manufacturer Part Number: TB6556FG
• Manufacturer: Toshiba

Specifications of TB6556FG

• Function: Controller
• Vopmax (vm*): 7V (12V)
• Io (lpeak): 2mA
• Sinusoidal Current Wave: yes
• Sensor-less: no
• Speed Feedback Loop: no
• Package: SSOP24
• Rohs Compatible†: yes

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 cycle × 92% − T
(carrier frequency)
(modulation signal)
Sine-wave pattern
Triangular wave
e
e
5.0 V (typ.)
5.4 V (typ.)
Comparator
d
× 2)
TB6556FG
2009-02-10
U
X
V
Y
W
Z