LED Driver for Automotive LED Rear Combination Lamps

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Overview

The NCV7680 consists of eight linear programmable constant current sources. The part is designed for use in the regulation and control of LED based Rear Combination Lamps for automotive applications. System design with the NCV7680 allows for two brightness levels, one for stop and one for tail illumination, or optional PWM control can also be implemented.
Discrete LED brightness levels are easily programmed (stop current value, tail duty cycle value) optional external ballast FET allows for power distribution on designs requiring high currents. Set back power limit reduces the drive current during overvoltage conditions. This is most useful for low current applications when no external FET is used.

  • Automotive Rear Combination Lamps
  • Daytime Running Lights
  • Fog Lights
  • Center High Mounted Stop Lamps
  • Turn Signal and Other Externally Modulated Applications
  • LCD Backlighting
  • Lighting Module
  • Constant Current Outputs for LED String Drive
  • LED Drive Current up to 75mA per Channel
  • Open LED String Diagnostic with Open-Drain Output
  • Slew Rate Control
  • Low Dropout Operation
  • External Modulation Capable
  • On-chip 1 kHz Tail PWM Dimming
  • Stop Current Set Point programmability
  • Tail Dimming Set Point programmability
  • Overvoltage Set Back Power Limitation
  • Pb-Free

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NCV7680PWR2G

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Obsolete

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A

H

P

SOIC-16 WB EP

1

260

REEL

1000

N

45

75

1

16

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