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TCA9548AMRGER
+BOMIC BUS SWITCH 1 X 8:1 24-VQFN
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ManufacturerTexas Instruments
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Mfr. Part #TCA9548AMRGER
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In Stock7342
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Specifications
| Attribute | Value |
| 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 a versatile electronic component, specifically an I2C switch, produced by Texas Instruments. This device allows a single I2C bus to be expanded into multiple channels, enabling communication with multiple I2C devices using the same bus lines. By doing so, it helps in overcoming the limitations of address conflicts and supports a broader interconnection within complex systems.
Key features of the TCA9548AMRGER include eight bidirectional translating switches, which can be individually controlled via the I2C bus, allowing for the selection of which downstream channel to engage. This is beneficial in applications where you need to interface with a large number of I2C devices, such as in complex sensor networks, multi-functional systems, or modular designs.
The device operates over a wide power supply range and supports hot insertion, making it suitable for applications requiring flexibility and reliability. Its compact design, along with its robust functionality, makes the TCA9548AMRGER a crucial component in modern electronic designs that require efficient I2C bus management.
Key features of the TCA9548AMRGER include eight bidirectional translating switches, which can be individually controlled via the I2C bus, allowing for the selection of which downstream channel to engage. This is beneficial in applications where you need to interface with a large number of I2C devices, such as in complex sensor networks, multi-functional systems, or modular designs.
The device operates over a wide power supply range and supports hot insertion, making it suitable for applications requiring flexibility and reliability. Its compact design, along with its robust functionality, makes the TCA9548AMRGER a crucial component in modern electronic designs that require efficient I2C bus management.
Equivalent
The TCA9548AMRGER is an I2C multiplexer from Texas Instruments. Equivalent products include:
1. PCA9548A from NXP Semiconductors
2. MAX14661 from Maxim Integrated
3. SC18IS602B from NXP Semiconductors
4. LTC4303 from Analog Devices
These products may vary in terms of specific features, voltage levels, or supported temperatures, so always check the datasheet for compatibility with your application.
1. PCA9548A from NXP Semiconductors
2. MAX14661 from Maxim Integrated
3. SC18IS602B from NXP Semiconductors
4. LTC4303 from Analog Devices
These products may vary in terms of specific features, voltage levels, or supported temperatures, so always check the datasheet for compatibility with your application.
Features
The TCA9548AMRGER is an I²C-bus switch with multiple channels, designed to enable the connection of multiple devices to a single I²C bus. Key features include:
1. I²C Interface: Supports up to 400 kHz fast-mode I²C operations.
2. 8-Channel Multiplexer: Allows for connection of up to eight I²C buses to a single master.
3. Bus Isolation: Each channel can be individually enabled or disabled, providing isolation between devices on different channels.
4. Voltage Range: Operates on a supply voltage range of 1.65 V to 5.5 V, compatible with a variety of systems.
5. Low Standby Current: Offers low power consumption, with standby current typically in the microampere range.
6. Interrupt Logic: Each channel features interrupt logic to detect and signal events.
7. Address Selection: Supports multiple programmable slave addresses, allowing for use of multiple devices on the same bus.
8. Compact Package: Available in a space-saving QFN package, making it suitable for applications with size constraints.
These features make the TCA9548AMRGER ideal for applications requiring multiple sensor connections, such as industrial automation, data acquisition systems, and consumer electronics.
1. I²C Interface: Supports up to 400 kHz fast-mode I²C operations.
2. 8-Channel Multiplexer: Allows for connection of up to eight I²C buses to a single master.
3. Bus Isolation: Each channel can be individually enabled or disabled, providing isolation between devices on different channels.
4. Voltage Range: Operates on a supply voltage range of 1.65 V to 5.5 V, compatible with a variety of systems.
5. Low Standby Current: Offers low power consumption, with standby current typically in the microampere range.
6. Interrupt Logic: Each channel features interrupt logic to detect and signal events.
7. Address Selection: Supports multiple programmable slave addresses, allowing for use of multiple devices on the same bus.
8. Compact Package: Available in a space-saving QFN package, making it suitable for applications with size constraints.
These features make the TCA9548AMRGER ideal for applications requiring multiple sensor connections, such as industrial automation, data acquisition systems, and consumer electronics.
Pinout
The TCA9548AMRGER is an I2C switch with 8 channels, commonly used to expand the number of I2C devices that can be connected to a single I2C bus. It is a 24-pin device with the following pin functions:
1. VCC (Pin 1): Power supply.
2. SDA (Pin 2): I2C data line.
3. SCL (Pin 3): I2C clock line.
4. RESET (Pin 4): Resets the I2C switch.
5. A0 to A2 (Pins 5-7): I2C address selection pins.
6. GND (Pin 8): Ground reference.
7. SDx/SCLx (Pins 9-16): Data and clock lines for each of the 8 switch channels (SD0/SC0 to SD7/SC7).
8. INT (Pin 17): Interrupt output.
9. Other Pins (18-24): Not used or are part of the package's mechanical structure.
Each channel can be individually enabled or disabled, allowing for isolation or connection of specific I2C devices to the bus, facilitating multi-device communication without address conflicts.
1. VCC (Pin 1): Power supply.
2. SDA (Pin 2): I2C data line.
3. SCL (Pin 3): I2C clock line.
4. RESET (Pin 4): Resets the I2C switch.
5. A0 to A2 (Pins 5-7): I2C address selection pins.
6. GND (Pin 8): Ground reference.
7. SDx/SCLx (Pins 9-16): Data and clock lines for each of the 8 switch channels (SD0/SC0 to SD7/SC7).
8. INT (Pin 17): Interrupt output.
9. Other Pins (18-24): Not used or are part of the package's mechanical structure.
Each channel can be individually enabled or disabled, allowing for isolation or connection of specific I2C devices to the bus, facilitating multi-device communication without address conflicts.
Manufacturer
The TCA9548AMRGER is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is a leader in the semiconductor industry, known for producing a wide range of products, including microcontrollers, digital signal processors, and analog semiconductors. These components are used in a variety of applications, from consumer electronics to automotive systems and industrial equipment. Texas Instruments is recognized for its innovation and extensive portfolio of products that support the development of electronic devices worldwide.
Application
The TCA9548AMRGER is a multiplexer used in I²C applications to enhance communication capabilities. Key application areas include:
1. Consumer Electronics: Facilitates efficient communication between multiple I²C devices in smart appliances and audio/video equipment.
2. Industrial Automation: Enables complex sensor networks and control systems by expanding I²C bus capabilities.
3. Automotive Systems: Supports advanced driver-assistance systems (ADAS) by managing multiple sensor inputs.
4. Medical Devices: Allows integration of various sensors and components in diagnostic and monitoring equipment.
5. IoT Devices: Enhances scalability and functionality in connected devices by managing multiple I²C peripherals.
These applications leverage the TCA9548AMRGER's ability to manage multiple I²C devices effectively, enhancing system flexibility and scalability.
1. Consumer Electronics: Facilitates efficient communication between multiple I²C devices in smart appliances and audio/video equipment.
2. Industrial Automation: Enables complex sensor networks and control systems by expanding I²C bus capabilities.
3. Automotive Systems: Supports advanced driver-assistance systems (ADAS) by managing multiple sensor inputs.
4. Medical Devices: Allows integration of various sensors and components in diagnostic and monitoring equipment.
5. IoT Devices: Enhances scalability and functionality in connected devices by managing multiple I²C peripherals.
These applications leverage the TCA9548AMRGER's ability to manage multiple I²C devices effectively, enhancing system flexibility and scalability.
Package
The TCA9548AMRGER is a multiplexer/switch manufactured by Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package type with a nominal dimension of 24 pins. This packaging is designed for compact and high-performance applications, providing efficient routing and thermal management.
