사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofI/O | 8 |
| 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 | 16-TSSOP (0.173, 4.40mm Width) |
개요
Description
The TCA6408APWR is an 8-bit I/O expander from Texas Instruments, designed for use in systems with limited GPIO availability. This device communicates via the I²C interface, allowing seamless integration with microcontrollers or processors. It operates in a supply voltage range of 1.65V to 5.5V, making it versatile for various applications.
Key features include interrupt output for input state changes, polarity inversion register, and configurable I/O pins, which can serve as either inputs or outputs. The TCA6408APWR boasts a low standby current consumption, enhancing efficiency in battery-powered devices. Its ability to handle multiple devices on the same I²C bus, thanks to multiple hardware address pins, increases flexibility in system design.
The device is housed in a TSSOP (Thin Shrink Small Outline Package), making it suitable for compact applications. With robust ESD protection and overvoltage tolerance, the TCA6408APWR is reliable in harsh environments. Typical applications include consumer electronics, industrial control, and instrumentation systems.
Key features include interrupt output for input state changes, polarity inversion register, and configurable I/O pins, which can serve as either inputs or outputs. The TCA6408APWR boasts a low standby current consumption, enhancing efficiency in battery-powered devices. Its ability to handle multiple devices on the same I²C bus, thanks to multiple hardware address pins, increases flexibility in system design.
The device is housed in a TSSOP (Thin Shrink Small Outline Package), making it suitable for compact applications. With robust ESD protection and overvoltage tolerance, the TCA6408APWR is reliable in harsh environments. Typical applications include consumer electronics, industrial control, and instrumentation systems.
Equivalent
The TCA6408APWR is a low-voltage 8-bit I2C I/O expander. Equivalent products include the PCA6408A from NXP, the MAX7311 from Maxim Integrated, and the MCP23008 from Microchip Technology. These alternatives offer similar I2C interfacing and expand the number of available GPIO pins. It is important to check the specific features and electrical characteristics of each product to ensure compatibility with your application.
Features
The TCA6408APWR is an integrated circuit that functions as an I²C-controlled 8-bit I/O expander. Key features include:
1. I²C Interface: Supports standard-mode (100 kHz) and fast-mode (400 kHz) I²C bus.
2. Voltage Range: Operates with a supply voltage of 1.65 V to 5.5 V, making it compatible with a wide range of systems.
3. 8-Bit I/O Port: Provides eight general-purpose input/output (GPIO) pins, which can be used for input or output operations.
4. Interrupt Output: Features an interrupt output pin to alert microcontrollers of input port changes.
5. Low Standby Current: Offers low power consumption, making it suitable for battery-operated devices.
6. I/O Polarity: Allows configurable I/O polarity inversion, which can facilitate more flexible designs.
7. High Drive Capability: Each I/O can sink up to 25 mA, suitable for directly driving LEDs or other small loads.
8. Package: Available in a TSSOP-16 package, which is compact and supports easy integration into circuit boards.
These features make the TCA6408APWR suitable for expanding I/O capabilities in microcontroller-based systems, particularly in applications where space and power efficiency are critical.
1. I²C Interface: Supports standard-mode (100 kHz) and fast-mode (400 kHz) I²C bus.
2. Voltage Range: Operates with a supply voltage of 1.65 V to 5.5 V, making it compatible with a wide range of systems.
3. 8-Bit I/O Port: Provides eight general-purpose input/output (GPIO) pins, which can be used for input or output operations.
4. Interrupt Output: Features an interrupt output pin to alert microcontrollers of input port changes.
5. Low Standby Current: Offers low power consumption, making it suitable for battery-operated devices.
6. I/O Polarity: Allows configurable I/O polarity inversion, which can facilitate more flexible designs.
7. High Drive Capability: Each I/O can sink up to 25 mA, suitable for directly driving LEDs or other small loads.
8. Package: Available in a TSSOP-16 package, which is compact and supports easy integration into circuit boards.
These features make the TCA6408APWR suitable for expanding I/O capabilities in microcontroller-based systems, particularly in applications where space and power efficiency are critical.
Pinout
The TCA6408APWR is an 8-bit I²C and SMBus low-power I/O expander with interrupt output and configuration registers. It comes in a 16-pin TSSOP package. Key functions include:
1. I²C Interface:
- It operates as an I²C slave to communicate with the host controller.
2. 8 GPIO Pins:
- Provides 8 general-purpose input/output (GPIO) pins. These can be configured individually as inputs or outputs.
3. Interrupt Functionality:
- Includes an interrupt output pin that alerts the host controller of input state changes, reducing the need for constant polling.
4. Configuration Registers:
- Offers flexibility in pin configuration through internal registers.
5. Low-Power Consumption:
- Designed for low-power applications, making it suitable for battery-powered devices.
Pin Count: 16 pins.
1. I²C Interface:
- It operates as an I²C slave to communicate with the host controller.
2. 8 GPIO Pins:
- Provides 8 general-purpose input/output (GPIO) pins. These can be configured individually as inputs or outputs.
3. Interrupt Functionality:
- Includes an interrupt output pin that alerts the host controller of input state changes, reducing the need for constant polling.
4. Configuration Registers:
- Offers flexibility in pin configuration through internal registers.
5. Low-Power Consumption:
- Designed for low-power applications, making it suitable for battery-powered devices.
Pin Count: 16 pins.
Manufacturer
The TCA6408APWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a range of semiconductor products, including analog chips, embedded processors, and digital light processing (DLP) technology. TI's products are used in a wide variety of applications and industries, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in electronics and has a strong focus on research and development to advance their technology offerings.
Application
The TCA6408APWR is an I2C-based, 8-bit I/O expander used in various applications to extend the I/O capabilities of microcontrollers. Its primary application areas include:
1. Consumer Electronics: Enhancing the interface capacity for devices like televisions and audio equipment.
2. Industrial Automation: Facilitating control systems that require additional I/O ports for sensors and actuators.
3. Communication Systems: Assisting in the management of multiple signals in routers and switches.
4. Automotive Electronics: Used in infotainment systems and advanced driver-assistance systems (ADAS).
5. Home Automation: Supporting smart home devices with additional control lines.
The device is valued for its simplicity, low-power consumption, and ability to operate in diverse environments.
1. Consumer Electronics: Enhancing the interface capacity for devices like televisions and audio equipment.
2. Industrial Automation: Facilitating control systems that require additional I/O ports for sensors and actuators.
3. Communication Systems: Assisting in the management of multiple signals in routers and switches.
4. Automotive Electronics: Used in infotainment systems and advanced driver-assistance systems (ADAS).
5. Home Automation: Supporting smart home devices with additional control lines.
The device is valued for its simplicity, low-power consumption, and ability to operate in diverse environments.
Package
The TCA6408APWR is an integrated circuit from Texas Instruments, packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. TSSOP is a surface-mount package that provides a compact size, suitable for applications requiring efficient space utilization on a PCB.
