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8-channel 1.65- to 5.5-V I2C/SMBus switch with reset & voltage translation

TCA9548AMRGER General Description

The TCA9548AMRGER is a versatile I2C switch with reset functionality, featuring 8 channels in a compact VQFN-24 package. This IC is designed for use in a variety of interface applications such as factory automation, products with I2C slave address conflicts, routers, and servers. With a supply voltage range of 1.65V to 5.5V, the TCA9548AMRGER is suitable for a wide range of electronic devices

Key Features

  • 1-to-8 Bidirectional translating switches
  • I2C Bus and SMBus compatible
  • Active-low reset input
  • Three address pins, allowing up to eight TCA9548A devices on the I2C bus
  • Channel selection through an I2C Bus, in any combination
  • Power up with all switch channels deselected
  • Low RON switches
  • Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V buses
  • No glitch on power up
  • Supports hot insertion
  • Low standby current
  • Operating power-supply voltage range of
    1.65 V to 5.5 V
  • 5-V Tolerant inputs
  • 0- to 400-kHz Clock frequency
  • Latch-up performance exceeds 100 mA Per JESD 78, class II
  • ESD Protection exceeds JESD 22
    • ±2000-V Human-body model (A114-A)
    • 200-V Machine model (A115-A)
    • ±1000-V Charged-device model (C101)


Addresses 8 Supply voltage (max) (V) 5.5
Supply voltage (min) (V) 1.65 Features Reset pin
Rating Catalog Frequency (max) (MHz) 0.4
Operating temperature range (°C) -40 to 85 Number of channels 8

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In Stock: 6,425

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $1.122 $1.12
10+ $0.954 $9.54
30+ $0.861 $25.83
100+ $0.757 $75.70
500+ $0.710 $355.00
1000+ $0.690 $690.00

The prices below are for reference only.