Comparison page

MP1584EN vs ULN2003

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

MP1584EN

Projects needing Buck and Compact with a commonly available power part.

ULN2003

Projects needing Driver array and Stepper kit with a commonly available power part.

Specification Matrix

DimensionMP1584EN ULN2003

CategoryPowerPower

MakerMonolithic Power SystemsTexas Instruments

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesNeeds verificationArduino

Price$0.30 - $1.20$0.10 - $0.60

Known Tradeoffs

MP1584EN

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

ULN2003

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

MP1584EN

Monolithic Power Systems

Compact buck converter used in small adjustable DC-DC step-down modules.

China-madePower80% confidence

ULN2003

Texas Instruments

Darlington transistor array often sold with 28BYJ-48 stepper motor kits.

China-madePower82% confidence