STEVAL-IPFC02V1

STEVAL-IPFC02V1 is a 2kW two-channel interleaved PFC reference design based on the STNRGPF02 digital controller. The 2kW interleaved PFC reference design features the performance of analogue cycle-by-cycle current regulation and the flexibility of digital control to generate sinusoidal supplies with very high power factor and very low harmonic distortion. Digital power control is based on the STNRGPF02 digital PFC controller, which can drive up to two interleaved PFC channels using mixed signal (analogue and digital) average current mode control in CCM at fixed frequency. The 2kW interleaved PFC reference design consists of a power board with 2-ch interleaved CCM boost power stage, auxiliary power supply, a control board with embedded STNRGPF02 digital controller and a small adapter board for programming the STNRGPF02.

• Input voltage range from 90 to 265V AC
• Line frequency range from 47 to 63Hz
• Maximum output power is 2kW at 230V
• Inrush current limiter
• Output voltage is 400V
• Power factor is greater than 0.98 at 20% load
• Total harmonic distortion is less than 5% at 20% load
• Mixed-signal average current mode control
• Switching frequency is 60kHz
• Thermal protection

附註

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