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PCA9534PWR

Name: PCA9534PWR
Rating: 4.7 (12 reviews)

IC I/O EXPANDER I2C 8B 16TSSOP

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製造商。部分 #PCA9534PWR
包 TSSOP (PW)-16
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
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	2.3V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	16-TSSOP (0.173, 4.40mm Width)

概述

Description

The PCA9534PWR is an I2C-bus I/O port expander designed for interfacing additional digital inputs and outputs to microcontrollers. It features 8 GPIO pins that can be individually configured as inputs or outputs, allowing for flexible interfacing with various peripherals. The device operates over a supply voltage range of 1.8V to 5.5V, making it suitable for low-power applications.
Communication with the PCA9534PWR is achieved via the I2C protocol, supporting multiple devices on the same bus using unique addresses. It includes integrated pull-up resistors for GPIO lines when configured as inputs, simplifying circuit design. The device also supports interrupt-driven operation, enabling efficient monitoring of pin states without continuous polling.
Applications for the PCA9534PWR include home automation, industrial control systems, and any project requiring additional I/O expansion. Its compact package and low power consumption make it an ideal choice for space-constrained and battery-operated devices.

Features

The PCA9534PWR is an I2C-bus I/O port expander with the following key features:
1. 16 GPIO Pins: Provides 8 GPIO pins that can be configured as input or output.
2. I2C Interface: Supports the I2C-bus protocol, allowing easy integration with microcontrollers and other devices.
3. Interrupt Capability: Features an interrupt output for easy detection of state changes on input pins.
4. Configurable Pins: Each GPIO can be individually configured as input or output.
5. Wide Operating Voltage: Operates in a voltage range of 1.8V to 5.5V, making it suitable for various applications.
6. Low Power Consumption: Designed for low power usage, enhancing battery life in portable devices.
7. Programmable Pull-up Resistors: Built-in pull-up resistors for input pins can be enabled or disabled as needed.
8. Multiple Device Support: Supports multiple devices on the same I2C-bus with configurable addresses.
These features make the PCA9534PWR ideal for expanding GPIO capabilities in embedded systems.

Package

The PCA9534PWR is typically packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The PCA9534PWR is a 16-pin I2C I/O port expander from NXP. It features a GPIO (General Purpose Input/Output) interface that can be used to extend the number of I/O pins in microcontroller applications.
Pin Count and Functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 8): Ground reference.
3. SCL (Pin 2): I2C clock line.
4. SDA (Pin 3): I2C data line.
5. RESET (Pin 4): Active-low reset.
6. INT (Pin 5): Interrupt output to indicate changes in GPIO states.
7. GPIO0 to GPIO7 (Pins 6, 7, 9, 10, 11, 12, 13, 14): Configurable general-purpose I/O pins.
8. A0, A1 (Pins 15, 16): Address selection pins for I2C bus.
The PCA9534PWR allows for configuration of each GPIO pin as either an input or output, enabling flexible control over peripheral devices.

Manufacturer

The PCA9534PWR is manufactured by NXP Semiconductors, a global semiconductor company based in the Netherlands. NXP specializes in designing and manufacturing products related to secure connectivity and processing solutions. Their offerings include a wide range of integrated circuits (ICs) and semiconductors for various applications, including automotive, industrial, Internet of Things (IoT), and mobile devices. NXP is known for its expertise in mixed-signal processing, enabling smart devices and connectivity solutions in various industries.

Application

The PCA9534PWR is a 16-bit I2C I/O port expander used in various application areas, including consumer electronics, industrial automation, and automotive systems. It allows for the expansion of GPIO pins, enabling control of multiple devices via a single I2C bus. Common uses include LED control, button interfacing, and sensor management in systems requiring additional digital inputs and outputs.

Equivalent

Equivalent products to the PCA9534PWR chip include the PCA9534A, TCA9534, and MCP23017. These chips offer similar functionalities for I2C I/O expansion with varying specifications. Always consult the datasheets for detailed comparisons regarding voltage levels, pin configurations, and features.