NCV78825DQ0R2G
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onsemi NCV78825DQ0R2G

Manufacturer No:
NCV78825DQ0R2G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
NCV78825DQ0R2G
Delivery:
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Product Introduction

Overview

The NCV78825 is a high-efficiency, single-chip synchronous buck dual LED driver designed specifically for automotive front lighting applications. It is optimized for driving high-current LEDs and supports up to two LED strings with a maximum voltage of 60 V. This device integrates high-side switches and current sensing, minimizing the need for external components. The NCV78825 is AEC-Q100 qualified and PPAP capable, ensuring reliability and compliance with automotive standards.

Key Specifications

Characteristic Symbol Min Typ Max Unit
Boost Supply Voltage VBOOST 6 - 67 V
VINBCKx Supply Voltage VINBCKx VBOOST - 0.1 - VBOOST + 0.1 V
VDRIVE Supply Voltage VDRIVE 4.5 - 10 V
Buck Switch Peak Output Current I_LBCKSW - - 3.8 A
Functional Operating Junction Temperature Range TJF -40 - 155 °C
Parametric Operating Junction Temperature Range TJP -40 - 150 °C

Key Features

  • Single-chip design with buck topology
  • Supports two LED strings up to 60 V
  • High current capability up to 3 A DC per output
  • Integrated high-side switch and low-side pre-driver for external NMOS device
  • High overall efficiency and low EMC emission
  • Integrated high accuracy current sensing and switched mode buck current regulator
  • Average current regulation through the LEDs
  • High operating frequencies to reduce inductor sizes
  • SPI interface for dynamic control of system parameters
  • Fail-safe operating (FSO) mode, stand-alone mode, and master-slave synchronization mode of the buck channels

Applications

  • High beam headlights
  • Low beam headlights
  • Daytime Running Lights (DRL)
  • Position or park lights
  • Turn indicators
  • Fog lights
  • Static cornering lights

Q & A

  1. What is the NCV78825 designed for?

    The NCV78825 is designed for automotive front lighting applications, including high beam, low beam, DRL, turn indicators, fog lights, and static cornering lights.

  2. How many LED strings can the NCV78825 support?

    The NCV78825 can support up to two LED strings with a maximum voltage of 60 V each.

  3. What is the maximum output current per LED string?

    The maximum output current per LED string is up to 3 A DC.

  4. Does the NCV78825 require external sense resistors for buck current regulation?

    No, the NCV78825 does not require external sense resistors for buck current regulation.

  5. What interface does the NCV78825 use for dynamic control?

    The NCV78825 uses an SPI interface for dynamic control of system parameters.

  6. What are the operating temperature ranges for the NCV78825?

    The functional operating junction temperature range is -40°C to 155°C, and the parametric operating junction temperature range is -40°C to 150°C.

  7. Is the NCV78825 AEC-Q100 qualified?
  8. Can multiple NCV78825 devices be combined for more LED channels?
  9. What is the package type of the NCV78825?

    The NCV78825 is available in an SSOP36-EP package.

  10. What is the recommended operating voltage range for VDRIVE?

    The recommended operating voltage range for VDRIVE is 4.5 V to 10 V.

Product Attributes

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Voltage - Supply (Max):- 
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