This file is the datasheet of TB6551F, which introduces the features and characteristics of the product
The Toshiba TB6551F is an integrated circuit designed as a 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller. It features built-in functions including a triangular-wave generator, lead angle control (0° to 58°), and dead time settings.
The device operates with a supply voltage range of 6 V to 10 V and includes an internal regulator providing a reference voltage of approximately 5 V. Key electrical characteristics include input hysteresis for positional signals and specific output drive capabilities for turn-on signals.
| Product Type | 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller |
|---|---|
| Supply Voltage Range | 6 V to 10 V |
| Reference Voltage (Vref) | 5 V (typ.) |
| Crystal Oscillation Frequency | 2 MHz to 8 MHz |
| Package Type | SSOP24-P-300-1.00 |
The built-in lead angle control function supports a setting from 0° to 58° in 32 steps.
The device supports a built-in dead time function with setting options of 2.6 µs or 3.8 µs.
The push-pull output for turn-on signals can deliver a maximum of +1 mA to +2 mA depending on the specific pin.