Safe SBC with Buck and Boost DC/DC Up to 800 mA on Vcore

MC34FS6407

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The MC34FS6407 system basis chip (SBC), an NXP® Energy-Efficient solution, provides power to MCUs and offer system loads and optimize energy consumption through DC/DC switching regulators, linear regulators and ultra-low-power saving modes.

  • Advanced functional safety measures.
  • IEC 61508 functional safety metrics available upon demand.
  • Serial peripheral interface (SPI) to allow control and diagnostics with the MCU.
  • Integrates CAN physical interface compliant with the ISO11898-2 and -5 standards along with the latest automotive OEM standards for EMC and ESD.

Product Details

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Block Diagram

MC34FS6407/8 Product Block Diagram

MC34FS6407/8 Product Block Diagram
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Features

Key Features

  • Independent safety monitoring unit with fail safe output
  • Secure SPI interface
  • Configurable digital I/Os through SPI registers, including monitoring of FCCU
  • Analog multiplexer sense and monitor supply voltage, for space savings

Energy Management Unit

  • Flexible DC/DC pre-regulator: buck-boost and standard buck
  • DC/DC voltage regulator to supply MCU core up to 800 mA, from 1.2 V to 3.3 V
  • Multiple wake-up sources in low-power mode: CAN and/or I/Os
  • Linear voltage regulator dedicated to auxiliary loads
  • Linear voltage regulator dedicated to MCU A/D reference voltage or I/Os supply
  • Input supply = 24 V DC

Functional Safety Measures

  • Enhanced safety block associated with fail-safe outputs
  • Designed for ASIL D applications (FMEDA, Safety manual)
  • Secured SPI interface
  • Configurable I/Os for wake-up and safety purposes

Robust Physical Layer

  • ISO11898-2,-5 CAN high-speed physical interface
  • High EMC immunity and ESD robustness

SafeAssure Program

SafeAssure Functional Safety Program

When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
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Documentation

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Design Resources

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Hardware

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