TCA9535RGER

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TCA9535RGER

IC I/O EXPANDER I2C 16B 24VQFN

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  • Fr. Teil #TCA9535RGER
  • Paket VQFN (RGE)-24
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Spezifikationen

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-VFQFN Exposed Pad

Übersicht

Description

The TCA9535RGER is a 16-bit I²C I/O port expander designed to increase the number of GPIO (General Purpose Input/Output) pins available to a microcontroller or microprocessor. It operates through an I²C interface, allowing for easy communication and control over multiple devices using only two wires (SDA and SCL).
With its 16 GPIO pins, the TCA9535 can be configured individually as inputs or outputs, making it suitable for applications requiring multiple digital signals. The device supports interrupt functionality, enabling it to notify the host controller of changes in input states, which is beneficial for efficient power management and responsiveness.
Operating with a supply voltage range of 1.65V to 5.5V, the TCA9535 is versatile for various systems, including low-power applications. Its compact package and ability to daisy-chain multiple devices make it an ideal choice for expanding pin functionality in embedded systems, robotics, and consumer electronics.

Features

The TCA9535RGER is an I²C I/O expander designed for interfacing with microcontrollers. Key features include:
1. 16 GPIO Ports: It provides 16 general-purpose input/output pins, configurable as inputs or outputs.
2. I²C Interface: Supports I²C bus communication, allowing easy integration with various microcontrollers.
3. Address Configuration: The device can have up to four different I²C addresses, enabling multiple devices on the same bus.
4. Interrupt Output: Features an interrupt pin that signals the host when an input state change occurs.
5. Wide Voltage Range: Operates over a supply voltage range of 1.65V to 5.5V, suitable for a variety of applications.
6. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered devices.
7. Hysteresis on Inputs: Provides input signal stability, reducing false triggering from noise.
Overall, the TCA9535RGER is ideal for expanding GPIO capabilities in embedded systems.

Package

The TCA9535RGER is packaged in a 16-pin HTQFP (Thin Quad Flat Package) or TSSOP (Thin Shrink Small Outline Package).

Pinout

The TCA9535RGER is a 16-pin I2C I/O port expander. It features two 8-bit GPIO ports, allowing for a total of 16 GPIO pins. The pin functions include:
1. VCC (Pin 1): Power supply input.
2. GND (Pin 8): Ground connection.
3. SDA (Pin 2): Serial data input/output for I2C communication.
4. SCL (Pin 3): Serial clock input for I2C communication.
5. INT (Pin 4): Interrupt output, indicating changes in the GPIO state.
6. Reset (Pin 5): Active low reset pin.
7. GPIO0 to GPIO7 (Pins 6, 7, 9-15): Configurable GPIO pins for input or output functionality.
The device is primarily used to extend GPIO capabilities of microcontrollers via the I2C interface, facilitating the addition of inputs and outputs for various applications.

Manufacturer

The TCA9535RGER is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a wide range of analog and digital semiconductor devices, including microcontrollers, processors, and interface products. Founded in 1930, TI serves various industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovation in the field of analog and mixed-signal technology, specializing in providing solutions that enhance performance and efficiency in electronic systems. TI's products are utilized in a broad spectrum of applications, making it a leading player in the semiconductor industry.

Application

The TCA9535RGER is a 16-bit I/O port expander with I2C interface, commonly used in applications like GPIO expansion for microcontrollers, LED control, keypad scanning, and sensor interfacing. It is ideal for embedded systems, industrial automation, consumer electronics, and robotics, where additional digital inputs/outputs are required to enhance functionality and connectivity.

Equivalent

Equivalent products to the TCA9535RGER chip include the TCA9535, PCA9535, and TCA9555. These chips are I2C I/O expanders, offering similar functionalities for GPIO expansion. Always check the specific datasheets for pin configurations and electrical characteristics to ensure compatibility in your application.

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