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Devices in the FS26 automotive safety System Basis Chip (SBC) family are designed to support entry and mid-range safety microcontrollers, like those in the S32K3 series. FS26 devices have multiple power supplies and the flexibility to work with other microcontrollers targeting automotive electrification. Possible FS26 applications include power train, chassis, safety and low-end gateway technology. 

This family of devices consist of several versions that are pin to pin and software compatible. These versions support a wide range of applications with Automotive Safety Integrity Levels (ASIL) B or D, offering choices in number of output rails, output voltage settings, operating frequencies, power up sequencing, and integrated system level features. 

The FS26 features multiple switch mode regulators and low dropout (LDO) voltage regulators to supply the microcontroller, sensors, peripheral ICs and communication interfaces. It offers a high precision reference voltage supply for the system, and for two independent tracking regulators. 

The FS26 also offers various functionality for system control and diagnostics, including an analog multiplexer, General Purpose Input/Outputs (GPIOs), and selectable wakeup events from I/O, long duration timer or Serial-Peripheral Interface (SPI) communication. The FS26 is developed in compliance with the ISO26262 standard, and includes enhanced safety features with multiple fail-safe outputs. It uses the latest on-demand latent fault monitoring, and can be part of a safety-oriented system partitioning scheme covering both ASIL B and ASIL D safety integrity levels.

Product Features

Power management

- Maximum DC input voltage of 40V

- Tight start-up operation with its BOOST controller (3.2V battery)

- Low power off mode with very low sleep current (typical value: 30uA)

- Low power standby mode, VPRE activated. LDO1 or LDO2 can be selected for activation via OTP configuration (typical: 35uA)

- Multiple switching regulators as well as LDO regulators to power microcontrollers, sensors, peripheral ICs and communication interfaces

System solutions

- Space-saving and complexity-reducing systems: LDTs, AMUXs, dual trackers, Vrefs

- Long time timer (LDT) settable for system shutdown/wakeup control

- Optional wake-up sources: WAKE/GPIO pins, LDT or SPI activity

Functional safety

- Expandable product portfolio covering Automotive Safety Integrity Levels (ASIL) B to D

- Potential fault monitoring enabled while the system is running: ABIST on demand

- Independent monitoring circuitry

- Dedicated interface for microcontroller monitoring

- Simple watchdog and challenger watchdog functions

- Safety outputs with potential fault detection mechanism (RSTB, FS0B, FS1B)

Configuration and support

- LQFP48 pins with exposed pads for optimized thermal management

- Permanent device customisation via one-time programming (OTP) fuse memory

- Temporary OTP simulation mode for system development and evaluation

- Available with S32K3 + FS26 hardware and software

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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• 6.Can the company issue an invoice?

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