Description
VSP HUP HUM HVP HVM HWP HWM Vrefout LA GND CW/CCW OSC/C OSC/R RS RESET VCC FGC UL VL WL UH VH WH FG Speed control input U-phase Hall signal input (+) pin U-phase Hall signal input (-) pin V-phase Hall signal input (+) pin V-phase Hall signal input (-) pin W-phase Hall signal input (+) pin W-phase Hall signal input (-) pin Outputs reference voltage signal (5 V / 35 mA) Lead angle setting signal input pin (30° / 4 bits) Ground pin Rotation direction signal input pin Connect to capacitor for PWM oscillator Connect to resistor for PWM oscillator Overcurrent protection (0.5 V) Energization width toggle pin (Low: 150°, High: Reset, 6.35 V: 120°) Power supply FG pulse count select (High = 1 ppr; Low or open = 3 ppr) U-phase output pin (Low side) V-phase output pin (Low side) W-phase output pin (Low side) U-phase output pin (High side) V-phase output pin (High side) W-phase output pin (High si.
Key Features
- Designed for low-speed motor operation: Minimum ON duty = 0.6 μs (typ.)
- Upper-phase PWM control
- Built-in triangular-wave generator
- Support of a bootstrap circuit
- Built-in Hall amplifier (support of a Hall element)
- Selectable 120°/150° energization
- Built-in lead angle control function
- Overcurrent protection signal input pin (VRS = 0.5 V (typ.))
- Built-in regulator (Vrefout = 5 V (typ.), 35 mA (max))
- Operating supply voltage range: VCC = 6.5 to 16.5 V