TB6551F
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6551F
3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller Features
· · · · · · · · Sine-wave PWM control Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz)) Built-in lead angle control function (0° to 58° in 32 steps) Built-in dead time function (setting 2.
6 µs or 3.
8 µs) Supports bootstrap circuit Overcurrent protection signal input pin Built-in
regulator (Vref = 5 V (typ.
), 30 mA (max)) Operating supply voltage range: VCC = 6 V to 10 V Weight: 0.
33 g (typ.
)
1
2002-12-24
TB6551F
Block Diagram
LA 23 6-bit triangular wave generator 10 Td Comparator 9 U Comparator 6 X 8 V 5 Y 7 W 4 Z 5-bit AD 4 bits Coun...