TCA6424ARGJR Expander: Features, Applications and Datasheet

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Published: 06 November 2023 | Last Updated: 06 November 2023

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TCA6424ARGJR

TCA6424ARGJR

Texas Instruments

32 Termination 2/5V Gold I/O Expander TCA6424 32 Pin 3.3V 32-UFQFN Exposed Pad

Purchase Guide

32 Termination 2/5V Gold I/O Expander TCA6424 32 Pin 3.3V 32-UFQFN Exposed Pad

The Texas Instruments TCA6424ARGJR is a 24-bit I/O expander for I2C and SMBus interface. This article will introduce its features, applications and datasheet.

TCA6424ARGJR Description

The Texas Instruments TCA6424ARGJR is a 24-bit I/O expander for I2C and SMBus interface. It is designed to provide general-purpose remote I/O expansion for most microcontroller families via the I2C interface. It can operate from 1.65V to 5.5V on both the P-port side and the SDA/SCL side, making it compatible with different voltage levels. It also features low standby current consumption of 1µA, an open-drain interrupt output, a reset input, and configuration registers. It comes in a UQFN-32 package and can be used for applications such as keypad, LED, and GPIO control.


TCA6424ARGJR Features

  • It is a 24-bit I/O expander for I2C and SMBus interface, which means it can provide 24 additional input/output pins that can be controlled by a microcontroller via the I2C or SMBus protocol.

  • It can operate from 1.65V to 5.5V on both the P-port side and the SDA/SCL side, which means it can work with different voltage levels and devices.

  • It has low standby current consumption of 1µA, which means it can save power and extend battery life when not in use.

  • It has an open-drain interrupt output, which means it can signal the microcontroller when there is a change in the input pins or an error condition.

  • It has a reset input, which means it can be reset to its default state by an external signal.

  • It has configuration registers, which means it can be programmed to set the direction, polarity, and output state of each pin.

  • It comes in a UQFN-32 package, which means it has a small footprint and a low profile.

  • It can be used for applications such as keypad, LED, and GPIO control, which means it can expand the functionality and flexibility of the microcontroller.


Specifications

Texas Instruments TCA6424ARGJR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TCA6424ARGJR.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    ACTIVE (Last Updated: 1 day ago)
  • Factory Lead Time
    6 Weeks
  • Contact Plating

    Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.

    Gold
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    32-UFQFN Exposed Pad
  • Surface Mount

    having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

    YES
  • Number of Pins
    32
  • Weight
    59.987591mg
  • Number of I/Os
    24
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tape & Reel (TR)
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e4
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    32
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • HTS Code

    HTS (Harmonized Tariff Schedule) codes are product classification codes between 8-1 digits. The first six digits are an HS code, and the countries of import assign the subsequent digits to provide additional classification. U.S. HTS codes are 1 digits and are administered by the U.S. International Trade Commission.

    8542.39.00.01
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    1.65V~5.5V
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    QUAD
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    260
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    3.3V
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    TCA6424
  • Pin Count

    a count of all of the component leads (or pins)

    32
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Push-Pull
  • Power Supplies

    an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?

    2/5V
  • Interface

    In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.

    I2C, SMBus
  • Number of Ports

    A port is identified for each transport protocol and address combination by a 16-bit unsigned number,.

    3
  • Output Current

    The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

    25mA
  • Number of Bits
    24
  • Clock Frequency

    Clock frequency, also known as clock speed, refers to the rate at which a processor or electronic component can execute instructions. It is measured in hertz (Hz) and represents the number of cycles per second that the component can perform. A higher clock frequency typically indicates a faster processing speed and better performance. However, it is important to note that other factors such as architecture, efficiency, and workload also play a significant role in determining the overall performance of a component. In summary, clock frequency is a crucial parameter that influences the speed and efficiency of electronic components in processing data and executing tasks.

    400kHz
  • Supply Current-Max

    Supply Current-Max refers to the maximum amount of current that an electronic component or circuit can draw from its power supply under specified operating conditions. It is a critical parameter that determines the power consumption and thermal performance of the device. Exceeding this limit can lead to overheating, potential damage, or failure of the component. Knowing the Supply Current-Max helps in designing circuits that ensure proper operation and reliability.

    0.03mA
  • Interrupt Output

    In electronic components, "Interrupt Output" refers to a feature that allows a device to signal the occurrence of a specific event or condition that requires immediate attention from the system or user. When the specified event occurs, the interrupt output generates a signal to pause the normal operation of the device and divert the attention to handle the urgent task. This feature is commonly used in microcontrollers, processors, and other integrated circuits to efficiently manage tasks and prioritize critical operations. By utilizing interrupt outputs, electronic systems can respond promptly to important events, improve overall performance, and enhance real-time responsiveness.

    Yes
  • Current - Output Source/Sink

    The parameter "Current - Output Source/Sink" in electronic components refers to the maximum amount of current that the component can either source (provide) or sink (absorb) at its output pin. This parameter is crucial in determining the capability of the component to drive external loads such as other components or devices. The source current indicates the maximum current that the component can supply to the load, while the sink current indicates the maximum current that the component can draw from the load. Understanding this parameter is essential for designing circuits that require specific current-handling capabilities to ensure proper functionality and reliability.

    10mA 25mA
  • Features

    In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.

    POR
  • Height
    600μm
  • Length
    5mm
  • Width
    5mm
  • Thickness

    Thickness in electronic components refers to the measurement of how thick a particular material or layer is within the component structure. It can pertain to various aspects, such as the thickness of a substrate, a dielectric layer, or conductive traces. This parameter is crucial as it impacts the electrical, mechanical, and thermal properties of the component, influencing its performance and reliability in electronic circuits.

    0m
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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TCA6424ARGJR Alternatives

Part Number

Description

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TCA6424ARSMR

24 I/O, PIA-GENERAL PURPOSE, QCC32, QFN-32

Texas Instruments


TCA6424ARGJR Applications

  • Keypad control: The TCA6424ARGJR can be used to scan and debounce a matrix keypad, reducing the number of pins required by the microcontroller and simplifying the software.

  • LED control: The TCA6424ARGJR can be used to drive multiple LEDs with different brightness levels, using the PWM feature of the microcontroller and the output registers of the expander.

  • GPIO control: The TCA6424ARGJR can be used to expand the number of general-purpose input/output pins for the microcontroller, allowing more flexibility and functionality for various applications


TCA6424ARGJR Manufacturer

Texas Instruments is a global semiconductor company that designs, manufactures, tests and sells analog and embedded processing chips. It has been making progress possible for decades by creating innovative technologies that improve the performance, efficiency, reliability and affordability of electronics. It has more than 80,000 products that help its customers in various markets such as industrial, automotive, personal electronics, communications equipment and enterprise systems. It also operates in a socially responsible way and supports education, giving and public policy initiatives.


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Frequently Asked Questions

What is TCA6424ARGJR?

TCA6424ARGJR is a 24-bit I/O expander for I2C and SMBus interface. It is designed to provide general-purpose remote I/O expansion for most microcontroller families via the I2C interface. It can operate from 1.65V to 5.5V on both the P-port side and the SDA/SCL side, making it compatible with different voltage levels. It also features low standby current consumption of 1µA, an open-drain interrupt output, a reset input, and configuration registers.

How to use TCA6424ARGJR?

To use TCA6424ARGJR, you need to connect it to a microcontroller via the I2C or SMBus interface. You also need to provide power supply to both the P-port side and the SDA/SCL side of the expander. You can then use the I2C or SMBus commands to read and write the configuration and output registers of the expander, as well as to monitor the interrupt output. 
TCA6424ARGJR

Texas Instruments

In Stock: 10000

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