Comparison page

ULN2003 vs XL6009

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.

ULN2003

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

XL6009

Projects needing Boost and High voltage with a commonly available power part.

Specification Matrix

DimensionULN2003 XL6009

CategoryPowerPower

MakerTexas InstrumentsXLSEMI

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoNeeds verification

Price$0.10 - $0.60$0.30 - $1.20

Known Tradeoffs

ULN2003

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

XL6009

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

Open Individual Model Pages

ULN2003

Texas Instruments

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

China-madePower82% confidence

XL6009

XLSEMI

Adjustable boost converter used in higher-voltage step-up modules.

China-madePower72% confidence