The NXP® MC33789 is a mixed signal IC for airbag safety applications that provides a cost-effective and flexible system IC solution across the range of airbag partitions used in cars and other vehicles. * Connects to the 12 V vehicle battery and supplies the multiple voltages of a typical airbag system * Can detect switched input states and communicate with both local and remote crash sensors * Offers an industry standard interface (SPI) and four PSI5 leader interfaces * Diagnostic - self protection capability and a programmable analog interface accessible by the system MCU * The MC33789 is a SafeAssure® functional safety solution.