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Specifications
Part NumberTCA9548A
ManufacturerTexas Instruments
TypeI²C Switch / Multiplexer
Channels8 bidirectional I²C channels
FreqUp to 400 kHz per channel
PackageTSSOP-24
Supply Voltage1.65–5.5 V
Operating Temp−40°C to +85°C
RoHSYes
VDD1.65–5.5 V
SCL/SDAStandard I²C bus
Active current2 mA
AddressA0/A1/A2 — 8 device addresses
I2CMaster I²C in, 8× channel out
RSTReset pin
INTPass-through interrupt
Part NumberTCA9548A
Orderable Qty1 pcs – 10,000+ pcs
Price (1–9 pcs)Contact for quote
Price (10–99 pcs)Contact for quote
Price (100–499 pcs)Contact for quote
Price (500+ pcs)Best pricing available
Lead Time (stock)3–7 business days
PackagingTray / Tape & Reel (T&R)
Export ControlEAR99 (No license required)
Product Description

The TCA9548A is a I2C Multiplexer · 8-channel · 5.5V · TSSOP-24 · I2C Hub from Texas Instruments, widely used in UAV and drone applications.

This component is a popular choice among drone engineers for its reliability, performance, and industry ecosystem support. UAVCHIP maintains stock of TCA9548A for rapid global fulfillment.

Key Features

  • Part Number: TCA9548A
  • Manufacturer: Texas Instruments
  • Type: I²C Switch / Multiplexer
  • Channels: 8 bidirectional I²C channels
  • Freq: Up to 400 kHz per channel
  • Package: TSSOP-24
UAV Applications
Multi-IMU
8 IMUs on single I2C bus without address conflict
Sensor Hub
IMU + compass + baro + flow sensor hub
GPS Expansion
Multiple GPS modules on one I2C bus
Payload
Camera + LiDAR + sonar I2C bus management
Similar Products (Power Management IC)

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