Comparison page

A4988 vs SY8089

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.

A4988

Projects needing Stepper and 3D printer with a commonly available power part.

SY8089

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

Specification Matrix

DimensionA4988 SY8089

CategoryPowerPower

MakerAllegro MicroSystemsSilergy

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoNeeds verification

Price$1.00 - $4.00$0.10 - $0.50

Known Tradeoffs

A4988

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

SY8089

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

Open Individual Model Pages

A4988

Allegro MicroSystems

Common stepper motor driver used in older 3D printer and CNC control boards.

China-madePower86% confidence

SY8089

Silergy

Small synchronous buck regulator seen on compact embedded boards.

China-madePower70% confidence