Grade 1 and Grade 0 Safety Power System Basis Chip with CAN Flexible Data Transceiver

FS4500

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The FS45 system basis chip (SBC) provides power to MCUs and optimizes energy consumption through a DC/DC pre-regulator and linear regulators and ultra-low-power saving modes. Featuring:

  • Advanced functional safety measures to target ASIL B or D applications
  • A serial peripheral interface (SPI) to allow control and diagnostics with the MCU
  • Integration of CAN FD and LIN physical interfaces compliant with the ISO 11898-2,-5, LIN 2.2, 2.1 /J2602-2 standards along with the latest automotive OEM standards for EMC and ESD
  • A range of integrated safety features such as monitoring of critical analog parameters, a fail-safe state machine and an advanced watchdog reduce software complexity with dual-core lock-step MCUs
  • High-temperature capability up to TA = 150 °C and TJ = 175 °C, compliant with AEC-Q100 Grade 0 automotive qualification

Block Diagram

FS4500 Fail Silent SBC with DCDC, ASIL B/D ready

FS4500 Fail Silent SBC with DCDC, ASIL B/D ready
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Features

MC33FS4500xxx (Grade 1 Automotive) Features

  • MC33FS4500xxx are compliant with Grade 1 automotive qualification (up to TA=125°C and TJ=150°C)
  • Battery voltage sensing and MUX output pin
  • Highly flexible SMPS pre-regulator, allowing two topologies: non-inverting buck-boost and standard buck
  • The Family of devices to supply MCU core from 1.0 V to 5.0 V, with SMPS (0.8 A, 1.5 A or 2.2 A) or LDO (0.5 A)
  • 36 V maximum input operating voltage
  • Linear voltage regulator dedicated to auxiliary functions, or to sensor supply (VCCA tracker 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
  • MC33FS4500xxx datasheet

MC35FS4500xxx (Grade 0 Automotive) Features

  • High-temperature capability up to TA = 150 °C and TJ = 175 °C, compliant with AECQ100 Grade 0 automotive qualification
  • Battery voltage sensing and MUX output pin
  • Highly flexible SMPS pre-regulator, allowing two topologies: non-inverting buck-boost and standard buck
  • The Family of devices to supply MCU core from 1.0 V to 5.0 V, with SMPS (0.8 A or 1.5 A) or LDO (0.5 A)
  • Linear voltage regulator dedicated to auxiliary functions, or to sensor supply (VCCA tracker 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, IOs, LDT
  • Five configurable I/Os
  • MC35FS4500xxx short datasheet.

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The FS4500 is included in the 15-year program

Recommended Supersets

Part Number FS1B LDT CAN LIN Preferred superset PN w/ Linear VCORE Preferred superset PN w/ DC-DC VCORE
FS45/FS65x5NAE No No No No FS4507L or FS4508C FS6527L or FS6528C
FS45/FS65x5CAE No No Yes No FS4507L or FS4508C FS6527L or FS6528C
FS45/FS65x5KAE No No No Yes FS4507L FS6527L
FS45/FS65x5LAE No No Yes Yes FS4507L FS6527L
FS45/FS65x6NAE Yes No No No FS4508C FS6528C
FS45/FS65x6CAE Yes No Yes No FS4508C FS6528C
FS45/FS65x7NAE No Yes No No FS4507L or FS4508C FS6527L or FS6528C
FS45/FS65x7CAE No Yes Yes No FS4507L or FS4508C FS6527L or FS6528C
FS45/FS65x7KAE No Yes No Yes FS4507L FS6527L
FS45/FS65x7LAE No Yes Yes Yes FS4507L FS6527L
FS45/FS65x8NAE Yes Yes No No FS4508C FS6528C
FS45/FS65x8CAE Yes Yes Yes No FS4508C FS6528C

SafeAssure Functional Safety 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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BYLink System Power Platform

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