Comparison page

AO3400 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.

AO3400

Projects needing MOSFET and Switching with a commonly available power part.

TCA9548A

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

Specification Matrix

DimensionAO3400 TCA9548A

CategoryPowerPower

MakerAlpha & Omega SemiconductorTexas Instruments

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesNeeds verificationArduino, MicroPython

Price$0.03 - $0.20$1.00 - $4.00

Known Tradeoffs

AO3400

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

AO3400

Alpha & Omega Semiconductor

Small N-channel MOSFET used for switching loads in low-voltage maker circuits.

China-madePower76% confidence

TCA9548A

Texas Instruments

8-channel I2C multiplexer used to connect sensors with duplicate I2C addresses.

China-madePower88% confidence