Lead expander - 4-channel - with I2C multiplexer - PCA9546 - Adafruit 5663

Brand: Adafruit
Product Code: AN-22544
Availability: 4-6 business days
Planned delivery date after ordering: 2025-07-11
10.70€
Ex Tax: 8.84€

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A multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect up to 4 separate I2C digital buses to one microcontroller interface. The address of the I2C bus occupied by the multiplexer is 0x70, it can also be configured in the range from 0x70 to 0x77.

Specification:
  • Type: lead expander with multiplexer
  • Built-in chip: PCA9546
  • Number of channels: 4
  • Communication interface: I2C bus
  • Bus address: 0x70, adjustable from 0x70 to 0x77
  • Supply voltage: 3 V to 5 V
  • Leads: solder pads
  • Board dimensions: 20.5 x 17.7 x 2.6 mm
  • Weight: 2.3 g
Set includes:
  • Leads expander - 4-channel - with I2C multiplexer - PCA9546
  • Goldpin strip 1x16 - raster 2.54 mm