Laurent FUZIER

Design of high-precision sensors for automotive industry, ensuring a high level of safety. Applications : Battery Management System (BMS), Battery Junction Box and Battery Disconnect Unit (BJB / BDU), High-Voltage architecture). Current measurement. Voltage measurement. Insulation measurement.

Design, validation and qualification of uninterruptible power supplies for critical applications (videoprotection, access control, fire safety, building management) - Topology : Flyback, Forward, Phase Shifted Full-Bridge, LLC resonant converter - Power : 50W à 600W - Input voltage : 85Vac to 265Vac - Output voltage : 12Vdc à 48Vdc with battery charging control Design, validation and qualification of Battery Management System (BMS) for Lithium Ion (Li-Ion) battery packs : - Analog and digital based - Integrated algorithm for State of Charge (SOC) and State of Health (SOH) calculation

Design, validation and qualification of power converters for railway rolling stock : - Topology : Buck, Boost, Full Bridge, 3-phase Inverter - Power : 1kW to 25kW - Input voltage : 24Vdc to 1500Vdc - Analog and digital power control Design of electronic board for railway rolling stock : - Digital (µC based) control boards - Power driver boards (MOSFET, IGBT) - Analog measurement boards - Auxiliary power supply (Buck, Boost, Forward) Example of customer projects : - 14kW DC/DC power converter and 3-phase inverter for tram passenger’s air conditioning (Alstom / Citadis) - 25kW DC/DC power converter for tram battery charger (Alstom / TFS) - 1kW DC/DC power converter and 2-phase inverter for tram driver's cab air conditioning - 5kW DC/DC power converter and 3-phase inverter for diesel locomotive air conditioning (Alstom BB66400)