3-Phase Sine-Wave PWM Driver for BLDC Motors

Features

• Sine-wave PWM drive

• Triangular-wave generator

• Hall amplifier

• Lead angle control

• Current limit control input (VRS = 0.5 V (typ.))

• Rotation pulse output (3 pulse/electrical degree 360°)

• Operating supply voltage range: VM = 4.5 to 42 V

• Reference supply output: Vrefout = 4.4 V (typ.), 20 mA (max)

• Output current: IOUT = 1.8 A (max), 1.2 A (typ.)

• Output On-resistance Ron (P-channel and N-channel sum) = 0.7 Ω (typ.)