Microchip Technology Low Voltage PFC Development Kit

Microchip Technology Low Voltage PFC Development Kit is based on conventional Interleaved Boost Power Factor Correction (PFC) topology. The board offers safe voltage levels at moderate power. This is achieved while designing algorithms on a boost power factor correction topology. These algorithms can be applied to real systems under development with minimal changes. The LVPFC Development Board utilizes the dsPIC33EP128GS806 device, supporting full digital and advanced power control algorithm schemes.

Features

The main blocks of the LVPFC Development Board are
- EMI/EMC Filter at the input (capable of high voltage)
- Bridge Rectifier (3A max, capable of high voltage)
- Phase 1 (MOSFET, Current Transformer, Diode rectifier)
- Phase 2 (MOSFET, Current Transformer, Diode rectifier)
- Ultra-Wide Voltage Range (UWVR) 5W Flyback (capable of low and high voltage); It is providing 12V primary, non-galvanic isolated and 12V secondary, 4kV galvanic isolated voltage
The LVPFC Development Board supports
- Single-Phase or Dual-Phase Operation mode
- Discontinuous, Transition, Continuous Current mode of operation
- Input AC Voltage, Output DC voltage: resistive voltage divider sense
- Current Sense in each power switch leg: current transformers
- Zero Cross Detection (ZCD): auxiliary winding placed at storage chokes
- Inrush Current Limiter: Negative Temperature Coefficient (NTC) resistor and relay
- Output Overvoltage Protection (OVP) analog comparator with hysteresis, disabling gate drivers. Power reset (unplug the power) is needed to reset that comparator
- Mating Socket for DP PIM Board