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TCA9535RTWR

Name: TCA9535RTWR
Rating: 4.7 (12 reviews)

IC I/O EXPANDER I2C 16B 24WQFN

Производитель
Мфр. Часть #TCA9535RTWR
Пакет WQFN-24
Лист данных
В наличии2159

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
NumberofI/O	16
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	24-WFQFN Exposed Pad

Обзор

Description

The TCA9535RTWR is a 16-bit I/O port expander from Texas Instruments, designed to interface with microcontrollers using the I2C bus. It expands the number of GPIO pins available for applications that require additional inputs or outputs, such as sensors, switches, and LEDs, without needing more pins on the host microcontroller.
Key features include:
- 16 GPIO Pins: Configurable as inputs or outputs.
- I2C Interface: Supports standard-mode (up to 100 kHz) and fast-mode (up to 400 kHz) communication.
- Interrupt Capability: Can generate interrupts to alert the host of input changes.
- Multiple Device Support: Up to eight devices can be connected on the same I2C bus, allowing for a total of 128 GPIOs.
- Low Power Consumption: Ideal for battery-operated devices.
It's suitable for various applications, including industrial control systems, consumer electronics, and remote sensing. The TCA9535RTWR is available in a compact package, making it easy to integrate into space-constrained designs.

Features

The TCA9535RTWR is a 16-bit I/O port expander that interfaces with microcontrollers via I²C bus. Key features include:
1. 16 GPIO Pins: Configurable as inputs or outputs, allowing for versatile peripheral control.
2. I²C Interface: Supports standard and fast-mode I²C communication up to 400 kHz.
3. Interrupt Functionality: Provides interrupt output for pin state changes, enabling efficient event handling.
4. Programmable Pull-up Resistors: Pull-ups can be enabled on input pins for external sensor integration.
5. Multiple Chip Addressing: Allows connection of multiple devices on the same I²C bus using programmable address settings.
6. Low Power Consumption: Suitable for battery-operated applications with its low standby current.
7. Wide Operating Voltage Range: Supports 2.3V to 5.5V, making it adaptable for various power supply levels.
8. Temperature Range: Operates within -40°C to +125°C, ensuring reliability in harsh environments.
These features make the TCA9535RTWR ideal for expanding I/O capabilities in embedded systems.

Package

The TCA9535RTWR is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package type. This compact package design is suitable for space-constrained applications.

Pinout

The TCA9535RTWR is an I/O port expander with 16 pins. It is designed to interface with microcontrollers and other digital devices via the I²C bus.
Pin Count: 16 pins
Functionality:
- Port Configuration: It features 16 GPIO pins that can be configured as inputs or outputs.
- I²C Interface: It communicates over the I²C bus, allowing multiple devices to coexist on the same bus.
- Interrupt Output: It includes an interrupt output pin to signal the microcontroller when the state of any input pin changes.
- Power Management: Operates with a wide voltage range (1.65V to 5.5V), making it suitable for various applications.
- Pull-Up Resistors: Integrated pull-up resistors for input pins facilitate easier interfacing with external devices.
The TCA9535RTWR is commonly used in applications requiring additional I/O ports, such as LED control, button reading, and sensor interfacing.

Manufacturer

The TCA9535RTWR is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and produces a wide range of electronic components, including integrated circuits (ICs), processors, and analog devices. The company serves various markets, including automotive, industrial, communications, and consumer electronics. TI is well-known for its innovations in analog and embedded processing technologies, making it a leading player in the semiconductor industry. The TCA9535 is specifically a GPIO (General Purpose Input/Output) expander that communicates via I2C, enabling the extension of I/O capabilities for microcontrollers in various applications.

Application

The TCA9535RTWR is a GPIO expander used in various application areas including industrial automation, consumer electronics, remote sensor management, and communication devices. It facilitates I/O expansion for microcontrollers, enabling interfacing with multiple sensors, LED displays, and control systems. Its I2C interface allows for easy integration in embedded systems, making it suitable for robotics, home automation, and smart devices.

Equivalent

The TCA9535RTWR is a 16-pin I2C I/O port expander. Equivalent products include the MCP23017 from Microchip and the PCA9555 from NXP. Both offer similar features, such as I2C communication and configurable GPIO pins, but may have different pin configurations and specifications. Always check the datasheets for compatibility with your specific application.

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