Safety System Basis Chip (SBC) Family with Power Management, CAN and LIN

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製品詳細

ブロック図

FS23 Block Diagram

FS23 Block Diagram

Features

Power Management

  • Tree power rails to supply the microcontroller and sensors
  • Scalable family from 100 mA to minimum 400 mA solution with a pin-to-pin compatibility
  • Configurable voltages and power up / down sequences
  • 3 power modes (run, low power ON and low power off) to manage low system quiescent current and faster wake-up

System Solutions

  • CAN flexible data rate (FD) up to 5 Mbit/s transceiver and a LIN transceiver
  • High side drivers with cyclic sense or wake-up source
  • Analog multiplexer for system sensing
  • Long duration timer with independent counter up to 194 days
  • External voltage monitoring on the board
  • Configurable GPIOs (high voltage and low voltage)
  • Wake-up sources
  • Advanced 'limp home' functionality

Functional Safety

  • Scalable safety concept (QM and ASIL B) by design and process ISO 26262)
  • Supports fail-safe features including an advanced watchdog
  • Implements a ABIST on demand for latent fault monitoring
  • Contains FCCU independent MCU HW monitoring to address several type of applications

Configuration and Enablement

  • QFN48 pins with exposed pad for optimized thermal management
  • Permanent device customization via one-time-programming (OTP) fuse memory
  • Temporary OTP emulation mode for system development and evaluation

比較表

High Voltage DC-DC
High Voltage LDO1
High Voltage LDO2
High Voltage LDO3
CAN FD Transceiver
LIN Transceiver
Long Duration Timer
32bit SPI/I2C
Analog Multiplexers
High Voltage IOs
Low Voltage IOs
Wake up pins
High Side Drivers
Watchdog
LIMP0/1/2
FCCU Monitoring
Fail Safe Output
External Voltage
ABIST on Demand
Functional Safety
FS2300M QM
FS2301M QM
FS2302M QM
FS2303M QM
FS2300B ASIL B
FS2301B ASIL B
FS2302B ASIL B
FS2303B ASIL B
FS2320M QM
FS2321M QM
FS2322M QM
FS2323M QM
FS2320B ASIL B
FS2321B ASIL B
FS2322B ASIL B
FS2323B ASIL B

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