• System parameters:

– Two independent 48 V 3-phase half-bridge arrangements with standalone DC-link circuits

– Standalone DC-link pre-charging for each DC-link circuit in two steps

– Extended low voltage operation starting from 24 V

– Phase current capability up to 80 A(RMS) and 120 A(MAX) for each 3-phase half-bridge

– Power supply converters for internal digital and analog subsystems:

– 48 V/15 V Non-Isolated DC/DC Buck-Boost converter

– 12 V/12 V Isolated DC/DC Flyback converter

• Analog quantities measurement:

– Phase current sensing using triple-shunt configuration

– Parallel connection of two shunts in each leg of inverter

– Various hardware (HW) configurations allow to change maximum current sensing range

– Measurement of following voltages:

– BEMF voltage sensing by voltage divider

– Phase voltage reconstruction realized by external comparators and dedicated microcontroller (MCU)

peripherals with software (SW) routine

– DC-link voltage measurement

– Forward voltage measurement

– Battery voltage measurement

– Temperature measurement on different positions of Power Stage board

– Measurement of temperature in each leg of inverter

– Temperature measurement of pre-charge MOSFETs

– Multiplexing of temperature signals