The MC3390x devices are System Basis Chips featuring multi-output power supplies, safety supervision and a CAN transceiver for automotive-based microcontroller systems.
Flexible SMPS pre-regulator allowing two topologies: non-inverting buck-boost or standard buck Switch mode power supply (SMPS) for MCU Vcore supply: +1.2V or +3.3V @ 0.8A (MC33907) LDO regulator for MCU ADC reference voltage or I/O supply (VCCA): +5V or +3.3V LDO regulator for auxiliary functions or sensors (VCCA tracker or independent +5V / +3.3V) Multiple wake-up sources in low power mode: CAN and/or I/O Battery voltage sensing & MUX output terminal Enhanced safety block associated with fail-safe outputs High-Speed CAN interface meets the ISO11898-2 and -5 standards Local and bus failure diagnostics, protection and fail-safe operation mode Six configurable I/O