Comparison page

A4988 vs TCA9548A

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.

TCA9548A

Projects needing I2C mux and Address conflicts with a commonly available power part.

Specification Matrix

DimensionA4988TCA9548A
CategoryPowerPower
MakerAllegro MicroSystemsTexas Instruments
CoreNot specifiedNot specified
ClockNot specifiedNot specified
WirelessNot specifiedNot specified
Voltage3.3V3.3V
LibrariesArduinoArduino, MicroPython
Price$1.00 - $4.00$1.00 - $4.00

Known Tradeoffs

A4988

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

TCA9548A

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

Open Individual Model Pages