3-Channel controller with diagnostics for Automotive LED Lamps

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Overview

The NCV7693 is a device which drives multiple external switchingcomponents for 3 independent functions. The average current in eachLED string can be regulated with a proper choice of duty−cycle andbattery voltage. The target application for this device is automotiverear combination lamps. Each individual driver has its own diagnosticto detect open load, short circuit to ground or to battery.LED average brightness levels are easily programmed usingappropriate duty cycle control and external resistors in series with theswitching transistors.Multiple strings of LEDs can be operated with a single NCV7693device. The device is available in a TSSOP−14 package.

  • Rear Combination Lamps (RCL)
  • Daytime Running Lights (DRL)
  • Fog Lights
  • Center High Mounted Stop Lamps (CHMSL) Arrays
  • Turn Signal
  • 3x Pulse Width Modulation (PWM) Control
  • Independent Diagnostic Feedback per Function
  • External Switching Device for Wide Current Range Flexibility
  • External Resistors Define Maximum Current
  • Open LED String Diagnostic
  • Short−Circuit LED String Diagnostic
  • Thermal Shut−down Diagnostic and Protection
  • Protection against Short−Circuit on the PWM Input Pins
  • Multiple LED String Control
  • TSSOP−14 Package
  • AEC−Q100 Qualified and PPAP Capable

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NCV7693DB0R2G

Active

Pb

A

H

P

TSSOP-14 WB

2

260

REEL

2500

Y

50

50

10

3

$0.6246

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