MPQ4481-AEC1

36V, 3A, Step-Down Converter with Programmable Frequency and Spread Spectrum Option Single USB Charging Port Supporting EN_USB, Fault Indication for Automotive, AEC-Q100 Qualified

MPQ4481-AEC1

NOT RECOMMENDED FOR NEW DESIGNS

36V, 3A, Step-Down Converter with Programmable Frequency and Spread Spectrum Option Single USB Charging Port Supporting EN_USB, Fault Indication for Automotive, AEC-Q100 Qualified

MPQ4481-AEC1 continues to be in production for existing customers. Please consider this alternative for new designs:

MPQ4228GRE-AEC1

Active

MPQ4228GRE-AEC1

Active

3A, 36V, Buck Converter with USB Charging Port Supporting DCP and Type-C 5V @ 3A DFP Mode, AEC-Q100 Qualified

Features & Benefits

  • Supports Charging Only Type-C or Type-A Port
  • Negative Temperature Coefficient (NTC) Over-Temperature (OT) Detection
  • Passes Apple MFI R33 Certification Test
  • USB-IF Type-C Certified
  • 145°C Internal Load Shedding Entry Temperature
  • Independent USB On/Off Control Pin (EN1)
  • Supports BC1.2 DCP Mode, Apple 3A Divider Mode, and 1.2V/1.2V Mode
  • USB_OUT, DP/DM, CC1/CC2 Pins Short to Battery Protection
  • Wide 4.2V to 36V Continuous Operating Input Voltage (VIN) Range
  • Selectable Switching Frequency (fSW) (420kHz and 2.2MHz with Spread Spectrum)
  • 3A Output Current (IOUT)
  • Integrated, Low, 20mΩ On Resistance (RDS(ON)) USB Switch
  • Line Drop Compensation
  • Selectable Forced Continuous Conduction Mode (FCCM) Operation/Automatic Pulse-Frequency Modulation (PFM)/Pulse-Width Modulation (PWM) Operation
  • EN Shutdown Discharge Function
  • Fault Indication for Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Over-Temperature Protection (OTP)
  • 200kHz to 2.2MHz Frequency Sync
  • Hiccup Current Limit for Both Buck and USB
  • ±8kV IEC 61000-4-2 Contact Discharge ESD Rating for CC1 and CC2 Pins
  • ±8kV IEC 61000-4-2 Contact Discharge ESD Rating with Small Resistor, Capacitor on DP and DM Pins
  • ±15kV IEC 61000-4-2 Air Discharge ESD Rating for DP, DM, CC1, and CC2 Pins
  • Available in a QFN-22 (4mmx4mm) Package with Wettable Flanks
  • Available in AEC-Q100 Grade 1

… and many more!

Active Part Numbers:

MPQ4481GU-AEC1-P MPQ4481GU-AEC1-Z MPQ4481GU-FD-AEC1-P MPQ4481GU-FD-AEC1-Z

Meaning of P & Z Show more

Design Resources

Reference Materials
Type
Title
Video
AEC-Q100 Webinar Late Session
Symbol, Footprint & 3D Model
30+ more formats Show more
Cad Symbols Symbols (36)
Cad Footprints Footprint (34)
Cad 3D Models 3D Models (15)

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Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.