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Monolithic Power Systems (MPS) MPQ4425M LED Drivers

Monolithic Power Systems (MPS) MPQ4425M LED Drivers are rectified, step-down, switch-mode white LED drivers with built-in power MOSFETs. The integrated MOSFETs simplify design and reduce external component requirements, resulting in a lower BOM. The MPQ4425M series delivers a continuous 1.5A output current with excellent load and line regulation over a wide 4V to 36V input supply range. The synchronous mode operation ensures high efficiency, while the current-mode operation provides a fast transient response and eases loop stabilization. Full protection features include overcurrent protection (OCP) and thermal shutdown. MPS) MPQ4425M LED Drivers are AEC-Q100 qualified and come in a space-saving 13-pin QFN package.

Features

  • Wide 4V to 36V operating input range
  • 85mΩ/50mΩ low RDS(ON) internal power MOSFETs
  • EMI reduction technique
  • High-efficiency synchronous mode operation
  • Default 2.2MHz switching frequency
  • Pulse width modulation (PWM) dimming from 100Hz to 2kHz
  • Forced CCM mode
  • 0.2V reference voltage
  • Internal soft-start
  • Fault indication for LED short, open, and thermal shutdown
  • OCP with valley-current detection
  • -40°C to +125°C operating temperature range
  • Thermal shutdown
  • Compact 2.5mm x 3.0mm QFN-13 package
  • CISPR25 Class 5 compliant
  • AEC-Q100 Grade 1

Applications

  • Automotive
  • Reading lights
  • Dome lights
  • Puddle lights
  • Map lights
  • Daytime running lamp
  • Backup lights

Typical Application

Monolithic Power Systems (MPS) MPQ4425M LED Drivers
Published: 2017-04-12 | Updated: 2022-05-20