DC-DC LED Drivers | NCV78902

High Efficiency 2 Phase Booster LED Driver for Automotive Front Lighting

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Generation 4+ of our intelligent LED drivers is targeting Front lighting LED driver modules for legacy Domain Architecture as well as the emerging Zonal Architecture for Software Defined Vehicles (SDV) with 10Base-T1S.

NCV78902 - a two-phase booster provides complete solution for automotive front lighting applications when paired with buck LED driver (current source). Designed for high current LEDs in front lighting application like low beam, high beam, turn indicator and more. Two devices can be combined and operate together as a multi-phase booster. This allows to further optimize the filtering effect and allow cost effective dimensioning.

The device enables Current sensing on Shunt Resistor or MOSFETs' RDSon, allows for Stand-alone or Limp home modes, incorporates built-in Programmable Soft-Start and especially brings superior stability and response time even with small output capacitance. The device is designed to operate at frequencies up to 2 MHz to allow for small inductor sizes and at the same time to keep EMC under control.

The NCV78902 can be operated in SEPIC mode - Output voltage can be lower than input voltage (car battery).

Thanks to the SPI programmability, one single hardware configuration can support various application platforms.

  • High Beam
  • Low Beam
  • Turn Indicator
  • DRL
  • Position light
  • Adaptive Driving Beam
  • Pixel Applications
  • Fog and Static Cornering
  • Park light

  • Automotive

  • Single Chip 2 Phase Booster Solution
  • Current Sensing on Shunt Resistors or MOSFETs’ RDSon
  • 2 Phase Current-mode Boost Controller
  • SEPIC mode option - Output voltage can be lower than input voltage (car battery)
  • Active Input Filter with Low Current Ripple from Battery
  • Low EMC Emission for LED Switching and Dimming
  • High Overall Efficiency
  • Minimum of External Components
  • High Operating Frequencies to Reduce Inductor Sizes
  • 4 MHz SPI Interface for Dynamic Control of System Parameters
  • Fail Safe Operation (FSO) and Stand-Alone Modes Available
  • ASIL B compliant; AEC−Q100 Qualified and PPAP Capable
  • This Device is Pb-Free, Halide Free and are RoHS Compliant

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NCV78902DE0R2G

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Pb

A

H

P

TSSOP-16 WB

948

3

260

REEL

4000

F

Step-Up/Step-Down/SEPIC

3

60

62

NA

400

$0.937

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