SPWM103F-2S0P – Dual Sinusoidal PWM Signal Generator

• MOSFET and IGBT gate-drive applications
• H-bridge and half-bridge driver circuits
• Single-phase sine inverter applications
• DC/AC converter applications
• Solar and wind energy inverters
• Single-phase motor speed control applications
• Frequency transformer applications
• UPS systems
• Hobby and experimental electronics applications

SPWM103F is a sinusoidal PWM core that digitally models a sine wave. The 2S0P model provides two SPWM outputs, while the 1S2P model provides one SPWM and two PWM outputs. The frequency, sampling count, and Dead-Time parameters of the sine model are programmable. In the 1S2P model, the frequency, phase angle, and duty cycle parameters of the two PWM outputs are also configurable. The device operates from a 5 V – 24 V input supply and provides 5 V signal outputs. The maximum frequency tolerance is 100 ppm.

Communication is simple and easy to use. All control operations are performed through command codes sent to the SPWM103F Rx pin. The command format and communication rules are described below with examples. The device can save all signal configurations in its internal memory, eliminating the need for reconfiguration at each use.