規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| NumberofI/O | 24 |
| Interface | I²C, SMBus |
| InterruptOutput | Yes |
| Features | POR |
| OutputType | Push-Pull |
| Current-OutputSource/Sink | 10mA, 25mA |
| ClockFrequency | 400 kHz |
| Voltage-Supply | 1.65V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 32-UFQFN Exposed Pad |
概述
Description
The TCA6424ARGJR is a 24-bit I2C/SMBus I/O expander manufactured by Texas Instruments. It is designed to provide additional I/O capability for microcontrollers with limited GPIOs. Operating on a voltage range of 1.65 to 5.5 V, it offers a flexible interface for communication, making it compatible with a wide range of microcontroller systems. The expander features three 8-bit configurable I/O ports, each capable of being configured independently as inputs or outputs. It supports both standard (100 kHz) and fast (400 kHz) I2C interfaces, ensuring efficient data transfer. Key features include interrupt outputs for input change detection, polarity inversion, and a low standby current, which makes it suitable for battery-powered applications. The TCA6424ARGJR is ideal for use in consumer electronics, industrial automation, and any application requiring GPIO expansion. It is available in a compact QFN package, ensuring efficient use of PCB space.
Equivalent
The TCA6424ARGJR is a 24-bit I2C and SMBus I/O expander from Texas Instruments. Equivalent products include:
1. PCF8575 from NXP: A 16-bit I/O expander with similar functionality.
2. PCA9535 from NXP: A 16-bit I/O expander.
3. MCP23017 from Microchip: A 16-bit I/O expander with an I2C interface.
4. MAX7317 from Maxim Integrated: A 10-port I/O expander.
These alternatives vary in port count and features, so ensure compatibility with your specific requirements.
1. PCF8575 from NXP: A 16-bit I/O expander with similar functionality.
2. PCA9535 from NXP: A 16-bit I/O expander.
3. MCP23017 from Microchip: A 16-bit I/O expander with an I2C interface.
4. MAX7317 from Maxim Integrated: A 10-port I/O expander.
These alternatives vary in port count and features, so ensure compatibility with your specific requirements.
Features
The TCA6424ARGJR is a general-purpose I/O expander from Texas Instruments, designed for applications that require additional I/O ports. Key features include:
1. Port Expander: Provides 24-bit I/O expansion through an I2C interface, allowing microcontrollers to manage additional peripherals without increasing the pin count.
2. I2C Interface: Supports standard, fast, and fast-mode plus I2C protocols for flexible integration with various systems.
3. Voltage Range: Operates over a wide voltage range of 1.65 V to 5.5 V, making it suitable for low-voltage applications.
4. Interrupt Output: Includes an interrupt output pin for generating an interrupt signal when a change is detected on the ports.
5. Configurable I/O Pins: Each I/O can be configured independently as input, output, or input with an internal pull-up resistor.
6. Low Standby Current: Designed for low power consumption, benefiting battery-powered devices.
7. High-Speed Data Transmission: Supports high-speed data transfers up to 1 MHz, allowing for efficient communication.
These features make the TCA6424ARGJR ideal for expanding I/O capabilities in embedded systems, consumer electronics, and industrial applications.
1. Port Expander: Provides 24-bit I/O expansion through an I2C interface, allowing microcontrollers to manage additional peripherals without increasing the pin count.
2. I2C Interface: Supports standard, fast, and fast-mode plus I2C protocols for flexible integration with various systems.
3. Voltage Range: Operates over a wide voltage range of 1.65 V to 5.5 V, making it suitable for low-voltage applications.
4. Interrupt Output: Includes an interrupt output pin for generating an interrupt signal when a change is detected on the ports.
5. Configurable I/O Pins: Each I/O can be configured independently as input, output, or input with an internal pull-up resistor.
6. Low Standby Current: Designed for low power consumption, benefiting battery-powered devices.
7. High-Speed Data Transmission: Supports high-speed data transfers up to 1 MHz, allowing for efficient communication.
These features make the TCA6424ARGJR ideal for expanding I/O capabilities in embedded systems, consumer electronics, and industrial applications.
Pinout
The TCA6424ARGJR is an I²C controlled GPIO expander manufactured by Texas Instruments. It has a 40-pin configuration in a VQFN package. This device provides 24 general-purpose input/output (GPIO) pins, which are divided into three 8-bit ports (P0, P1, and P2). The TCA6424A facilitates the expansion of I²C-bus controlled systems by allowing additional I/O capability without the need for additional microcontroller pins.
The pins include the I²C clock (SCL) and data (SDA) lines, which are used to interface with the main controller. There are also supply voltage (VCC) and ground (GND) pins. Other essential pins include the interrupt output (INT), reset (RESET), and address input pins (A0, A1, A2), allowing for the configuration of the I²C bus address. The GPIO pins can be configured as inputs or outputs, providing flexibility for various applications such as signal monitoring and control in embedded systems.
The pins include the I²C clock (SCL) and data (SDA) lines, which are used to interface with the main controller. There are also supply voltage (VCC) and ground (GND) pins. Other essential pins include the interrupt output (INT), reset (RESET), and address input pins (A0, A1, A2), allowing for the configuration of the I²C bus address. The GPIO pins can be configured as inputs or outputs, providing flexibility for various applications such as signal monitoring and control in embedded systems.
Manufacturer
The TCA6424ARGJR is manufactured by Texas Instruments. Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and has a broad portfolio of products that serve various industries, including automotive, industrial, personal electronics, communications, and enterprise systems. Texas Instruments is well-known for its innovation and contributions to the advancement of technology in electronics.
Application
The TCA6424ARGJR is a 24-bit I2C I/O expander commonly used in applications requiring additional I/O ports. Key areas include:
1. Industrial Automation: Expanding control and monitoring capabilities in industrial systems.
2. Consumer Electronics: Enhancing user interface options in devices like TVs and home automation systems.
3. Automotive: Managing sensor data and controls in infotainment and climate control systems.
4. Telecommunications: Supporting control interfaces in networking equipment.
5. Medical Devices: Offering additional monitoring and control points in diagnostic and therapeutic equipment.
It is valued for its ability to efficiently increase I/O capacity in microcontroller-based systems.
1. Industrial Automation: Expanding control and monitoring capabilities in industrial systems.
2. Consumer Electronics: Enhancing user interface options in devices like TVs and home automation systems.
3. Automotive: Managing sensor data and controls in infotainment and climate control systems.
4. Telecommunications: Supporting control interfaces in networking equipment.
5. Medical Devices: Offering additional monitoring and control points in diagnostic and therapeutic equipment.
It is valued for its ability to efficiently increase I/O capacity in microcontroller-based systems.
Package
The TCA6424ARGJR is a GPIO expander IC from Texas Instruments, and it comes in a VQFN (Very Thin Quad Flat No-Lead) package, specifically a 24-pin VQFN with a size of 4.00 mm x 4.00 mm.
