System Basis Chip with LIN, LS and HS Switches

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Overview

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.

  • De-centralized Door Electronic Systems
  • Automotive Rear Door
  • Main Supply Functional Operating Range from 5 V to 28 V
  • Main Supply Parametrical Operating Range 6 V to 18 V
  • LIN Physical Layer According to LIN 2.x and SAE J2602
  • Power Management Through Operating Modes: Normal, Standby, Sleep and Flash
  • Software Development Mode for Software Debugging
  • Low Drop Voltage Regulator VR1: 5 V/150 mA, 2%
  • One Wake-up Input, e.g. for Contact Monitoring
  • Wake-up Logic with Cyclic Contact Monitoring
  • Wake-up Source Recognition
  • Independent PWM Functionality for All Outputs (Integrated PWM Registers)
  • Window Watchdog with Programmable Times
  • 2x Low-side Driver (typ. 1.5 ) with Over-load Protection and Active Clamp; e.g. for Relays
  • 3x High-side Driver (typ. 5 ) with Over- and Under-load Detection; e.g. for LED’s and Switches
  • 24-bit SPI Interface
  • Protection against Short Circuit, Over-voltage and Over-temperature
  • TSSOP−20 EP Package
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

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NCV7429DE5R2G

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-20

2

260

REEL

2500

N

LIN

20 kbaud

5

1

5

28

-

-

-

Price N/A

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