FS6500, FS4500 Safety Power System Basis Chip with CAN FD and LIN Transceivers Short data sheet: advance information
●General description
■The FS6500/FS4500 SMARTMOS devices are a multi-output, power supply, integrated circuit, including CAN Flexible Data (FD) and/or LIN transceivers, dedicated to the automotive market.
■Multiple switching and linear voltage regulators, including low-power mode (32 μA) are available with various wake-up capabilities. An advanced power management schemeis implemented to maintain high efficiency over a wide range of input voltages (down to2.7 V) and output current ranges (up to 2.2 A).
■The FS6500/FS4500 includes configurable fail-safe/fail silent safety behavior and features, with two fail-safe outputs, becoming a full part of a safety oriented system partitioning, to reach a high integrity safety level (up to ASIL D).
■The built-in CAN FD interface fulfills the ISO 11898-2 and -5 standards. The LIN interface fulfills LIN protocol specifications 2.0, 2.1, 2.2, and SAEJ2602-2.2
●Features
■Battery voltage sensing and MUX output pin
■Highly flexible SMPS pre-regulator, allowing two topologies: non-inverting buck-boostand standard buck
■Family of devices to supply MCU core from 1.0 V to 5.0 V, with SMPS (0.8 A, 1.5 A or2.2 A) or LDO (0.5 A)
■36 V maximum input operating voltage
■Linear voltage regulator dedicated to auxiliary functions, or to sensor supply (VCCAtracker or independent), 5.0 V or 3.3 V
■Linear voltage regulator dedicated to MCU A/D reference voltage or I/Os supply (VCCA),5.0 V or 3.3 V
■3.3 V keep alive memory supply available in low-power mode
■Long duration timer, counting up to 6 months with 1.0 s resolution
■Multiple wake-up sources in low-power mode: CAN, LIN, IOs, LDT
■Five configurable I/Os
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