PCA9574BS,118

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PCA9574BS,118

+BOM

IC XPND 400KHZ I2C SMBUS 16HVQFN

  • メーカーパナソニック電子部品

  • メーカー品番 #PCA9574BS,118

  • 在庫状況2960

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Part Status Obsolete
Base Product Number PCA9574
DigiKey Programmable Not Verified
Number of I/O 8
Interface I2C, SMBus
Interrupt Output Yes
Features POR
Output Type Push-Pull
Current - Output Source/Sink 1mA, 3mA
Clock Frequency 400 kHz
Voltage - Supply 1.1V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 16-VFQFN Exposed Pad
Supplier Device Package 16-HVQFN (3x3)
Packaging Cut Tape (CT), Tape & Reel (TR)

概要

Description

The PCA9574BS,118 is an I²C-bus I/O port expander designed to increase the number of input/output (I/O) pins for microcontrollers or microprocessors. It features 16 GPIO pins that can be configured individually as either input or output, allowing for flexible interfacing with various peripherals. The device operates on a voltage range of 1.8V to 5.5V, making it suitable for a wide array of applications, including consumer electronics and industrial systems.
Key features include:
- 16 GPIO pins, configurable as input or output.
- I²C interface for easy communication with microcontrollers.
- Interrupt capability for efficient polling and event handling.
- Built-in pull-up resistors on input pins.
- Low power consumption, ideal for battery-operated devices.
The PCA9574BS,118 is particularly useful in scenarios where additional I/O capacity is required, enabling designers to expand functionality in compact designs without the need for multiple components.

Equivalent

The PCA9574BS,118 is an I2C I/O port expander with 8 bits of input/output. Equivalent products include the MCP23008 (MCP23008-E/SP) from Microchip, and the TCA9555 from Texas Instruments. These alternatives provide similar functionality for expanding GPIOs via I2C communication. Always verify pin compatibility and specific application requirements before substitution.

Features

The PCA9574BS,118 is an I2C-bus I/O port expander with 16 GPIO pins, which can be configured as inputs or outputs. This device expands the GPIO capabilities of microcontrollers, allowing for more peripherals to be connected without requiring additional pins.
Key features include:
1. I2C Interface: Supports standard and fast modes (up to 400 kHz).
2. 16 GPIO Pins: Configurable as input or output.
3. Interrupt Functionality: Alerts the microcontroller when a change occurs on input pins.
4. Power Supply Range: Operates from 2.3V to 5.5V.
5. Low Power Consumption: Designed for battery-operated devices.
6. Multiple Addresses: Up to eight devices can be connected on a single I2C bus.
7. Internal Pull-Up Resistors: For GPIO input pins.
This makes the PCA9574BS,118 an effective solution for enhancing the GPIO capabilities of embedded systems in various applications, including consumer electronics and industrial controls.

Pinout

The PCA9574BS,118 is an I2C-bus I/O port expander that features a total of 16 pins. The key functions of the pins include:
- Power and Ground (VDD, GND): Pins for powering the device and grounding.
- I2C Interface (SDA, SCL): Serial Data and Serial Clock lines for communication with the I2C bus.
- GPIO Pins (P0.0 to P0.7 and P1.0 to P1.7): These are general-purpose input/output pins that can be configured as either inputs or outputs.
- Interrupt Output (INT): An active-low open-drain pin that signals an interrupt to the host when a change occurs on the GPIO pins.
The PCA9574 allows for the expansion of GPIO capabilities in microcontroller-based systems, providing additional I/O through the I2C interface.

Manufacturer

The PCA9574BS,118 is manufactured by NXP Semiconductors, a global semiconductor company. NXP specializes in designing and manufacturing a wide range of integrated circuits and microcontrollers, primarily for automotive, industrial, and Internet of Things (IoT) applications. Established in 2006 following the spin-off from Philips, NXP has become a key player in the semiconductor industry, known for its innovations in secure connectivity solutions, embedded processing, and mixed-signal technology. The PCA9574 is an I²C-bus I/O port expander that provides additional GPIO (General-Purpose Input/Output) functionality for various applications, enhancing the capabilities of microcontrollers in handling multiple inputs and outputs efficiently. NXP's focus on high-performance and energy-efficient solutions has positioned it as a trusted supplier for various sectors, including automotive electronics, smart home technologies, and mobile communications.

Application

The PCA9574BS,118 is an I2C I/O port expander with interrupt capability. Its application areas include:
1. Microcontroller Expansion: Adding additional GPIO pins to microcontrollers with limited I/O.
2. Sensor Interfaces: Connecting multiple sensors in embedded systems where pin count is constrained.
3. LED Control: Managing multiple LEDs in lighting applications.
4. Button Matrix: Implementing keypad interfaces for user input.
5. Embedded Systems: Enhancing functionalities in devices like home automation, robotics, and consumer electronics.
6. Low-Power Applications: Utilized in battery-operated devices due to its low power consumption.
Overall, it enhances connectivity and flexibility in various electronic designs.

Package

The PCA9574BS,118 is typically packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. It is designed for surface mounting and is suitable for applications requiring I2C I/O port expansion.

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