MC33907LAER2

System Basis Chip, CAN/LIN, 5V , 0.7A VCORE, QFP 48

Overview

The ® MC33907 system basis chip SBC provides power to MCUs and optimizes energy consumption through DC/DC switching regulators, linear regulators and ultra-low-power saving modes. Featuring:

* Advanced functional safety measures

* A serial peripheral interface SPI to allow control and diagnostics with the MCU

* Integration of CAN 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 failsafe state machine and an advanced watchdog reduces software complexity with dual-core lock-step MCUs

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## Features

### Energy Management Unit

* Flexible DC/DC pre-regulator allowing Buck or Buck-Boost

* Optional Boost to improve system availability at cranking

* Multiple output power supplies from 0.5 up to 2 A

* DC/DC voltage regulator to supply MCU core up to 0.8 A

* 5 V/ 3.3 V linear voltage regulator dedicated to MCU I/Os

* Linear voltage regulator dedicated to auxiliary loads

* Multiple wake-up sources combined with ultra-low-power mode: CAN, LIN, I/Os, current detection....

* Battery sensing before and after reverse battery protection

* Analog multiplxer to sense critical signals

### 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 Layers

* ISO11898-2,-5 CAN high-speed physical interface

* LIN 2.2/2.1, J2602-2 physical interface

* High EMC immunity and ESD robustness