Monolithic Power Systems (MPS) MPQ2484U LED Controllers

Monolithic Power Systems (MPS) MPQ2484U LED Controllers are flexible, multi-topology, asynchronous controllers. The Monolithic Power Systems (MPS) MPQ2484U can be used for LED lights requiring high luminous output. The devices support buck, boost, and buck-boost configurations, which makes them suitable for various LED lighting applications.

Features

  • Built for automotive lighting
    • Load dump up to 45V
    • Cold crank down to 4.5V
    • Maximum 75V boost output
    • Two-step dimming via the H/L pin
    • PWM dimming via the PDIM pin
    • Integrated P-Channel MOSFET driver for switch dimming
    • Available in AEC-Q100 Grade 1
  • Robust protection suite
    • Cycle-by-cycle current limit
    • Output Over-Voltage Protection (OVP)
    • Open LED protection
    • LED string anode/cathode to battery/ground short protection
    • One or multiple LED short protection
    • Over-temperature shutdown
    • Fault Flag Output (/FLT)
  • Multi-topology
    • Supports buck, boost, and buck-boost topologies
  • Low-noise EMI/EMC
    • Frequency Spread Spectrum (FSS)
    • Configurable or Synchronizable Switching Frequency (fSW)
  • Additional features
    • <5μA shutdown current
    • <1mA quiescent current
    • Configurable current-sense reference via an external resistor
    • External loop compensation
    • Available in a TSSOP-28EP package

Applications

  • Automotive exterior LED lighting
    • Headlights
    • Tail lights
    • Fog lights
  • Commercial and industrial LED lighting

TYPICAL APPLICATION

Application Circuit Diagram - Monolithic Power Systems (MPS) MPQ2484U LED Controllers

Application Circuit Diagram - Monolithic Power Systems (MPS) MPQ2484U LED Controllers

Application Circuit Diagram - Monolithic Power Systems (MPS) MPQ2484U LED Controllers

Monolithic Power Systems (MPS) MPQ2484U LED Controllers