DC-DC LED Drivers | NCV78723

High Efficiency Buck Dual LED Driver with Integrated Current Sensing for Automotive Front Lighting

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The NCV78723 is a single-chip and high efficient Buck Dual LED Driver designed for automotive front lighting applications like high beam, low beam, DRL (daytime running light), turn indicator, fog light, static cornering, etc. The NCV78723 is in particular designed for high current LEDs and provides a complete solution to drive 2 LED strings of up-to 60 V. It includes 2 independent current regulators for the LED strings and required diagnostic features for automotive front lighting with a minimum of external components – the chip doesn’t need any external sense resistor for the buck current regulation. The available output current and voltages can be customized per individual LED string. When more than 2 LED channels are required on 1 module, then 2, 3 or more devices NCV78723 can be combined; also with NCV78713 device – the derivative of the NCV78723 incorporating Buck Single LED Driver. Thanks to the SPI programmability, one single hardware configuration can support various application platforms.

  • High Beam
  • Low Beam
  • DRL
  • Position or Park Light
  • Turn Indicator
  • Fog
  • Static Cornering
  • Front Lighting High Beam and Low Beam

  • Automotive

  • Single Chip
  • Buck Topology
  • 2 LED Strings up-to 60 V
  • High Current Capability up to 1.6 A DC per Output
  • High Overall Efficiency
  • Minimum of External Components
  • Integrated High Accuracy Current Sensing
  • Integrated Switched Mode Buck Current Regulator
  • Average Current Regulation through the LEDs
  • High Operating Frequencies to Reduce Inductor Sizes
  • Low EMC Emission for LED Switching and Dimming
  • SPI Interface for Dynamic Control of System Parameters
  • Fail Safe Operating (FSO) Mode, Stand-Alone Mode
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHSCompliant

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NCV78723MW0CR2G

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Pb

A

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P

QFN-24

485CS

1

260

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5000

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NCV78723MW0R2G

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Pb

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P

QFN-24

485CS

1

260

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5000

N

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8

67

67

1600

350

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NCV78723MW2R2G

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QFNW-24

484AF

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260

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可靠性数据

Die Related Summary Data

Device: NCV78723MW0CR2G

Equivalent to wafer fab process: I3T

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平均故障间隔时间/平均无故障时间（按小时计算）

FITS

I3T

4

4350769675

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Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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