PCA9539RGER

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PCA9539RGER

IC I/O EXPANDER I2C 16B 24VQFN

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
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 2.3V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

Übersicht

Description

The PCA9539RGER is an I2C-bus I/O port expander designed by NXP Semiconductors. It provides additional GPIO (General Purpose Input/Output) pins to microcontrollers, allowing for the expansion of input and output capabilities. The PCA9539RGER features 16 GPIO pins that can be configured individually as inputs or outputs, making it versatile for various applications such as LED control, button input, and sensor interfacing.
This device operates over a supply voltage range of 2.3V to 5.5V and communicates via the I2C interface, which simplifies connections and reduces pin count. The PCA9539RGER also includes interrupt functionality to signal changes in the state of the GPIO pins, enhancing responsiveness in applications.
Additionally, it supports multiple devices on the same I2C bus, allowing for efficient system design. Its compact size and low power consumption make it suitable for battery-operated devices. Overall, the PCA9539RGER is a useful component for expanding microcontroller I/O capabilities in embedded systems.

Features

The PCA9539RGER is an I²C-bus I/O port expander that features:
1. 16 GPIO Pins: It provides 16 general-purpose input/output pins, which can be configured as inputs or outputs.
2. I²C Interface: Supports two-wire I²C communication, allowing multiple devices on the same bus.
3. Interrupt Capability: Features an interrupt output pin (INT) that signals when input states change, enabling efficient monitoring.
4. Programmable Pull-up Resistors: The device includes internal pull-up resistors for the input pins, simplifying circuit design.
5. Operating Voltage Range: Operates from 1.8V to 5.5V, making it suitable for a wide range of applications.
6. Low Power Consumption: Designed for low power usage, enhancing battery life in portable devices.
7. Temperature Range: It is rated for industrial temperature ranges, ensuring reliability in various environments.
This makes the PCA9539RGER ideal for applications in embedded systems, consumer electronics, and automotive interfaces where additional GPIO is required.

Package

The PCA9539RGER is available in a TSSOP (Thin Shrink Small Outline Package) with a 28-pin configuration.

Pinout

The PCA9539RGER is a 16-pin I2C I/O expander. It features 8 GPIO pins that can be configured as either inputs or outputs, allowing for flexible control of external devices. The device operates with a supply voltage range of 2.3V to 5.5V and communicates over the I2C bus with a configurable I2C address.
### Pin Count and Functions:
- Pin Count: 16 pins
- Key Functions:
- GPIO Pins: 8 configurable I/O pins (P0-P7).
- I2C Interface: SDA (Serial Data Line), SCL (Serial Clock Line).
- Interrupt Output: INT pin for interrupt signaling.
- Power: VCC (supply voltage), GND (ground).
- Reset: A reset pin for device initialization.
This device is ideal for expanding the number of I/O available in microcontroller-based applications.

Manufacturer

The manufacturer of the PCA9539RGER is NXP Semiconductors. NXP is a global semiconductor company that specializes in designing and manufacturing chips for various applications, including automotive, industrial, Internet of Things (IoT), mobile, and communication infrastructure. Founded in 2006 as a spin-off of Philips, NXP is known for its expertise in mixed-signal and digital signal processing, as well as providing solutions in connectivity, security, and energy-efficient systems. The PCA9539RGER is a I2C-bus I/O port expander, which allows for the expansion of input/output ports in electronic designs, making it useful in embedded systems and consumer electronics.

Application

The PCA9539RGER is an I2C I/O port expander, commonly used in applications such as LED control, keypad scanning, and general GPIO expansion in embedded systems. It is ideal for interfacing multiple devices in consumer electronics, industrial control systems, and communication equipment, enabling efficient management of multiple input/output lines with minimal microcontroller pins.

Equivalent

Equivalent products to the PCA9539RGER include the TCA9539, MCP23017, and PCF8575. These chips also provide similar GPIO expansion features, I2C interface, and varied pin configurations. Always verify specific requirements like voltage levels, current ratings, and operating conditions when selecting alternatives.

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