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.
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Connects to the 12 V vehicle battery and supplies the multiple voltages of a
typical airbag system
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Can detect switched input states and communicate with both local and remote
crash sensors
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Offers an industry standard interface (SPI) and four PSI5
interfaces
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Diagnostic - self protection capability and a programmable analog interface
accessible by the system MCU
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The MC33789 is a
SafeAssure® functional safety solution.
