The NCV7429 is a monolithic LIN System-Basis-Chip with enhanced feature set useful in Automotive Body Control systems. Besides the LIN bus interface the IC features a 5 V voltage regulator, high-side and low-side switches to control LEDs and relays, and supervision functionality like a window watchdog. This allows a highly integrated solution by replacing external discrete components while maintaining the system flexibility. As a consequence, the board space and ECU weight can be minimized.
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Main Supply Functional Operating Range from 5 V to 28 V
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Main Supply Parametrical Operating Range 6 V to 18 V
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LIN Physical Layer According to LIN 2.x and SAE J2602
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Power Management Through Operating Modes: Normal, Standby, Sleep and Flash
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Software Development Mode for Software Debugging
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Low Drop Voltage Regulator VR1: 5 V/150 mA, 2%
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One Wake-up Input, e.g. for Contact Monitoring
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Wake-up Logic with Cyclic Contact Monitoring
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Wake-up Source Recognition
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Independent PWM Functionality for All Outputs (Integrated PWM Registers)
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Window Watchdog with Programmable Times
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2x Low-side Driver (typ. 1.5 ) with Over-load Protection and Active Clamp; e.g. for Relays
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3x High-side Driver (typ. 5 ) with Over- and Under-load Detection; e.g. for LED’s and Switches
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Protection against Short Circuit, Over-voltage and Over-temperature
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NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
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These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant
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