Current/Recent Projects:
Active projects can broadly be categorized into integrated and non-integrated power electronic converters (PECs), depending on the processed power level. In the first category, the power losses are sufficiently low to allow integration of multiple power transistors, sensors and control circuits into mixed-signal power management ICs (PMICs). Projects in the second category involve applications in the hundreds of watts to above 100 kW, where the focus is on system-level design, topologies, control, reliability and efficiency optimization. Most projects involve industry collaboration.
Example topics:
- High-frequency dc-dc converter and driver ICs (efficiency optimization, digital control, fault-tolerance, system-level control schemes, etc.)
- Gallium Nitride power ICs (adaptive drivers, protection, on-chip waveform sensing)
- Battery management for electric vehicles (state-of-health, state-of-charge determination, active cell balancing, auxiliary supply generation, online electrochemical impedance spectroscopy)
- Charging technologies for electric vehicles (on-board, off-board, AC and DC fast charging, wireless charging, liquid thermal management)
- Hybrid energy storage systems (multi-chemistry as well as supercapacitor/battery combinations, power-mix control, topology optimization)
- PECs for driving and optimizing the efficiency of solid-state lighting and industrial applications (LLC, PFC, visible light communication applications, EMI mitigation)
- Power electronics for photovoltaic and renewable energy applications (distributed maximum power point tracking)
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