MPQ2143-AEC1

AEC1-Automotive Grade, 3A, 5.5V, 1.2MHz, 40μA IQ, COT Synchronous Step-Down Switcher

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MPQ2143-AEC1

NOT RECOMMENDED FOR NEW DESIGNS

AEC1-Automotive Grade, 3A, 5.5V, 1.2MHz, 40μA IQ, COT Synchronous Step-Down Switcher

MPQ2143-AEC1 continues to be in production for existing customers. Please consider this alternative for new designs:

MPQ2179GQHE-AEC1

Active

MPQ2179GQHE-AEC1

Active

5.5V, Peak 3A, 2.4MHz, Synchronous Step-Down Converter with PG and SS, AEC-Q100 Qualified

Features & Benefits

  • Wide 2.5V to 5.5V Operating Input Voltage (VIN) Range
  • Up to 3A Peak Output Current (IOUT)
  • 2.4MHz Switching Frequency (fSW)
  • EN for Power Sequencing
  • 1% FB Accuracy
  • Output Voltage (VOUT) Adjustable from 0.6V
  • 65mΩ and 35mΩ Internal Power MOSFET Switches
  • 100% Duty Cycle On
  • Output Discharge
  • Power Good (PG)
  • External Soft Start (SS) Control
  • Output Over-Voltage Protection (OVP)
  • Short-Circuit Protection (SCP) with Hiccup Mode
  • Forced Continuous Conduction Mode (FCCM)
  • Available in a QFN-8 (1.5mmx2mm) Package
  • Available in a Wettable Flank Package
  • Available in AEC-Q100 Grade 1

… and many more!

Active Part Numbers:

MPQ2143DJ-AEC1-LF-Z MPQ2143DJ-AEC1-LF-P

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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Standard Pricing


In stock

MPQ2143DJ-AEC1-LF-Z MPQ2143DJ-AEC1-LF-P Info Icon
  • Package: TSOT23-8

3,000 per Reel

Buy Now Price $1.45 1K

  • Quantity Unit Price
  • 1
    $2.84
  • 10
    $2.12
  • 100
    $1.75
  • 250
    $1.65
  • 500
    $1.59
  • 1K
    $1.45
Special Pricing Available for
Larger Quantities
Quote
In stock now: 100

Order now, up to 100 estimated to ship by 11 Jul, 2025

Lead Time For Additional Quantities

Additional quantities estimated to ship by 28 Oct, 2025


3,000 per Reel

Arrives 3-4 business days. Shipping only $5 per order.

100 Max per Company.
Limited Inventory to support product development.

MPS Pay: Pay by Invoice Net30 Terms Learn More

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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.