TCA9548AMRGER

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TCA9548AMRGER

IC BUS SWITCH 1 X 8:1 24-VQFN

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  • Mfr. Part #TCA9548AMRGER
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  • Datasheet
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Specifications

Series TCA
Part Status Active
Base Product Number TCA9548
Type Bus Switch
Circuit 1 x 8:1
Independent Circuits 1
Voltage Supply Source Single Supply
Voltage - Supply 1.65V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 24-VFQFN Exposed Pad
Supplier Device Package 24-VQFN (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The TCA9548AMRGER is an I²C multiplexer designed for managing multiple I²C bus channels. It allows a single I²C master to communicate with up to eight different I²C slave devices, thus expanding the number of devices that can be connected to the I²C bus without address conflicts. The device operates by enabling one of its eight channels at a time, ensuring only the selected channel communicates with the master.
Key features include:
- 8-Channel Multiplexing: Switches between multiple I²C bus segments.
- I²C Compatibility: Works seamlessly with standard I²C devices.
- Address Management: Allows devices with the same address to be used in the same system.
- Low Power Consumption: Suitable for battery-operated devices.
- Multiple Supply Voltages: Compatible with 1.8V to 5.5V power supplies.
The TCA9548AMRGER is commonly used in applications requiring sensor management, data acquisition systems, and scenarios where multiple devices need to be controlled without address conflicts.

Features

The TCA9548AMRGER is an 8-channel I2C multiplexer designed to expand the number of I2C devices that can be connected to a microcontroller. Key features include:
1. 8 Channels: It allows communication with up to eight different I2C buses while using a single I2C master.
2. I2C Compatibility: Supports standard I2C bus speeds of up to 1 MHz.
3. Addressing: The device has a fixed I2C address, and the individual channels can be selected through software control.
4. Power Supply: Operates on a supply voltage range of 1.65V to 5.5V, making it suitable for a variety of applications.
5. Low Power Consumption: Designed for low power usage, ideal for battery-powered devices.
6. Interrupt Output: Provides an interrupt output to signal the master of a change in the state of the selected channels.
7. Integration: Easy integration into existing I2C systems, supporting multiple bus configurations.
These features make the TCA9548AMRGER suitable for applications like sensor multiplexing, expansion of I/O ports, and managing multiple I2C devices in complex systems.

Package

The TCA9548AMRGER is available in a VQFN (Very Thin Quad Flat No-lead) package type, specifically a 24-pin VQFN, which is designed for high-density applications and provides good thermal performance.

Pinout

The TCA9548AMRGER is an I2C multiplexer with 16 pins. Its primary function is to allow one I2C master device to communicate with multiple I2C slave devices without address conflicts.
### Pin Count and Function:
- Total Pins: 16
- Key Pins:
- VCC (Pin 1): Power supply (typically 1.65V to 5.5V).
- GND (Pin 8): Ground.
- SDA (Pin 2, 15): Serial Data Line for I2C communication.
- SCL (Pin 3, 14): Serial Clock Line for I2C communication.
- A0, A1, A2 (Pins 4, 5, 6): Address selection pins to choose which channel to activate.
- Enable Pins (Pins 7, 9, 10, 11, 12, 13): Control the multiplexed outputs.
The device can select one of the 8 I2C channels to connect to the master, effectively expanding the I2C bus capability.

Manufacturer

The TCA9548AMRGER is manufactured by Texas Instruments (TI), a leading semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions, including microcontrollers, processors, and connectivity devices. The company serves various industries, such as automotive, industrial, communications, and consumer electronics. TI is well-known for its innovation in signal processing, power management, and embedded control, making it a key player in the global electronics market.

Application

The TCA9548AMRGER is an 8-channel I2C multiplexer, commonly used in applications that require multiple I2C devices on a single bus. It allows for the connection of multiple sensors, displays, or other peripherals while avoiding address conflicts. Typical application areas include industrial automation, sensor networks, robotics, and embedded systems where multiple I2C devices need to communicate without interference. It is also useful in expanding I2C capacity in microcontroller-based projects.

Equivalent

The TCA9548AMRGER is an I2C multiplexer. Equivalent products include:
1. PCA9548A - Similar functionality with slight variations.
2. TCA9548A - Another version from Texas Instruments with similar features.
3. PCA9546A - A 4-channel I2C multiplexer.
Always check datasheets for specific features, voltage levels, and pin configurations when substituting components.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

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