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PCA9506DGG

Name: PCA9506DGG
Rating: 4.7 (12 reviews)

Interface - I/O Expanders I/O EXPANDER I2C

Производитель
Мфр. Часть #PCA9506DGG
Пакет
Лист данных PCA9506DGG DataSheet
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Спецификации

Packaging	Tube
Standard Pack Qty	875

Обзор

Description

The PCA9506DGG is an I²C-bus I/O port expander with interrupt capabilities, designed by NXP Semiconductors. It features six GPIO (General Purpose Input/Output) pins that can be configured as either inputs or outputs, enhancing the functionality of microcontrollers by providing additional I/O options. The device operates at a supply voltage of 2.3V to 5.5V, making it suitable for various low-voltage applications.
The PCA9506 communicates with master devices via the I²C interface, allowing for easy integration into existing systems. It also supports multiple devices on the same I²C bus, with programmable addresses. The interrupt feature enables efficient monitoring of GPIO states, reducing the need for constant polling.
Key applications include consumer electronics, industrial automation, and communication devices where expanded I/O capability is needed. The PCA9506DGG is available in a TSSOP-16 package, making it a compact solution for complex circuits.

Features

The PCA9506DGG is an I²C-bus I/O port expander designed for interfacing with microcontrollers. Key features include:
1. I²C Interface: Operates with a 2-wire I²C bus, supporting standard and fast mode (up to 1 Mbps).
2. 16 GPIO Pins: Provides 16 general-purpose input/output pins that can be configured individually as inputs or outputs.
3. Interrupt Functionality: Supports interrupt generation on GPIO state changes, enabling efficient CPU usage.
4. Wide Operating Voltage Range: Operates typically from 1.65V to 5.5V, making it compatible with various logic levels.
5. Multiple Device Addressing: Allows up to 8 PCA9506 devices on the same I²C bus by configuring different addresses via A0, A1, and A2 pins.
6. Low Power Consumption: Features power-saving modes to reduce energy usage during operation.
7. LED Control: Capable of controlling LEDs directly from GPIO pins.
These features make the PCA9506DGG suitable for applications requiring additional I/O expansion in embedded systems.

Package

The PCA9506DGG is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins.

Pinout

The PCA9506DGG is a 6-channel I²C bus I/O port expander. It features a total of 16 pins. Here’s a concise breakdown of its pin count and functionality:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. SDA (Pin 3): Serial Data line for I²C communication.
4. SCL (Pin 4): Serial Clock line for I²C communication.
5. A0, A1 (Pins 5, 6): Address selection pins for I²C addressing.
6. GPIO1 - GPIO6 (Pins 7-12): General-purpose I/O pins that can be configured as inputs or outputs.
7. RESET (Pin 13): Active-low reset pin.
8. INT (Pin 14): Interrupt output for signaling changes in input state.
9. NC (Pins 15, 16): No Connect, not used.
The PCA9506DGG allows for the expansion of I/O capabilities in microcontroller applications via the I²C protocol.

Manufacturer

The PCA9506DGG is manufactured by NXP Semiconductors, a global semiconductor company based in the Netherlands. NXP specializes in designing and manufacturing a wide range of integrated circuits and semiconductor solutions, focusing on various applications including automotive, industrial, and Internet of Things (IoT) devices. The company is known for its expertise in mixed-signal and RF (radio frequency) technologies, as well as for providing secure connectivity solutions. NXP is a key player in the semiconductor industry, leveraging advanced technology to enhance performance and efficiency in electronic systems.

Application

The PCA9506DGG is an I²C-bus I/O port expander, commonly used in applications such as consumer electronics, automotive systems, industrial automation, and smart home devices. It enables additional GPIOs for microcontrollers, simplifies circuit designs, and facilitates communication in constrained environments. Typical uses include LED control, sensor interfacing, and peripheral expansion in embedded systems.

Equivalent

The PCA9506DGG is a 16-bit I/O port expander with I2C interface. Equivalent products include:
1. MCP23008/MCP23017 - Microchip I/O expanders with I2C interface.
2. PCF8574/PCF8575 - NXP I/O expanders with I2C interface.
3. TCA9555 - Texas Instruments I/O port expander.
Ensure to check specifications for compatibility with your application.

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