LED Driver, Automotive, Octal, 100 mA

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Overview

The NCV7681 consists of eight 100 mA linear programmable constant current sources. The part is designed for use in the regulation and control of LED based Rear Combination Lamps and blinking functions for automotive applications. System design with the NCV7681 allows for two programmed levels for stop (100% Duty Cycle) and tail illumination (programmable Duty Cycle), or anoptional external PWM control can be implemented. LED brightness levels are easily programmed (stop is programmed to the absolute current value, tail is programmed to the duty cycle) with two external resistors. The use of an 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 power applications when no external FET is used. The device is available in a SOIC−16 WB package with exposed pad.

  • Automotive Rear Combination Lamps
  • Automotive Daytime Running Lights
  • Automotive Fog Lights
  • Automotive Center High Mounted Stop Lamps (CHMSL)
  • Turn Signal and Other Externally Modulated Applications
  • Signature Lamp
  • Automobile
  • Constant Current Outputs for LED String Drive
  • LED Drive Current up to 100mA per Channel
  • Open LED String Diagnostic with Open-Drain Output in All Modes
  • Slew Rate Control
  • Low Dropout Operation
  • External Modulation Capable.
  • On-Chip 800Hz Tail PWM Dimming
  • Single Resistor for Stop Current Set Point
  • Single Resistor for Tail Dimming Set Point
  • Overvoltage Set Back Power Limitation
  • AEC-Q100 Qualified and PPAP Capable
  • 16 Lead SOICW with exposed pad
  • Improved EMC Performance
  • Programmable Latch-Off function on Open String (NCV7681L)
  • Overtemperature Fault Reporting

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NCV7681APWR2G

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Active, Not Rec

CAD Model

Pb

A

H

P

SOIC-16 WB EP

3

260

REEL

1000

Y

40

100

3

8

$1.4108

More Details

NCV7681LPWR2G

Loading...

Active, Not Rec

CAD Model

Pb

A

H

P

SOIC-16 WB EP

3

260

REEL

1000

N

40

100

3

8

$1.5344

More Details

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