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LM51551QDSSRQ1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM51551QDSSRQ1 product

LM51551QDSSRQ1

DC DC Switching Controllers

AutomotiveBoost ControllerSEPICFlyback

The LM51551-Q1 is a versatile, automotive-grade non-synchronous controller for boost, SEPIC, and flyback power supplies.

Best for

  • Automotive power supplies
  • High-frequency DC-DC conversion

Avoid if

  • Synchronous rectification is required

Check before use

  • Ensure the BIAS pin configuration matches your input voltage range

Key specifications

Topology
Boost, SEPIC, Flyback
Max Frequency
2.2 MHz
Input Voltage
3.5V - 45V
Protection
Hiccup Mode

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
EAR99
HTSUS
8542.39.0001

Application

AutomotivePower Supply

Datasheet

pYYBAGHCvaqAVFVVACHqQ26GQCg392.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM51551QDSSRQ1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a wide-input, non-synchronous controller for boost, SEPIC, and flyback topologies, optimized for automotive applications.