PCA9534PW

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PCA9534PW

IC I/O EXPANDER I2C 8B 16TSSOP

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  • Paket TSSOP-16
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Spezifikationen

Package Bulk,Tube
ProductStatus Obsolete
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)

Übersicht

Description

The PCA9534PW is a 16-pin I²C-bus I/O port expander designed by NXP Semiconductors. It extends GPIO (General Purpose Input/Output) capabilities for microcontrollers by providing 8 additional I/O pins. The device features an I²C interface for easy communication, allowing multiple PCA9534 devices to be connected on the same bus.
Key features include:
- Configurable I/O: Each pin can be configured as either an input or output.
- Interrupt capability: It provides interrupt outputs to signal changes in input states, enhancing responsiveness.
- Low power consumption: It operates in a low-power mode, making it suitable for battery-operated devices.
- Wide voltage range: The PCA9534PW supports a supply voltage range of 1.8V to 5.5V, ensuring compatibility with various systems.
Applications include consumer electronics, industrial automation, and embedded systems where additional digital I/O is needed. The PCA9534PW is a versatile solution for expanding GPIO without increasing the complexity of the microcontroller design.

Features

The PCA9534PW is an I2C-bus I/O port expander with interrupt capability. Key features include:
1. I2C Interface: Supports up to 1 MHz data rates, allowing easy communication with microcontrollers.
2. GPIO Expansion: Provides 8 additional GPIO pins, configurable as inputs or outputs.
3. Interrupts: Generates an interrupt signal on changes in the input state, facilitating efficient monitoring.
4. Power Supply Range: Operates between 2.3V and 5.5V, making it compatible with various systems.
5. Low Power Consumption: Consumes minimal power in standby mode, ideal for battery-operated devices.
6. Multiple Device Support: Up to 8 PCA9534 devices can be connected on the same I2C bus, expanding I/O capabilities.
7. Internal Pull-Up Resistors: Configurable for input pins, enhancing signal reliability.
8. Package: Available in a TSSOP-16 package for compact designs.
Overall, the PCA9534PW is suitable for applications requiring additional I/O, such as embedded systems and sensor interfaces.

Package

The PCA9534PW is available in a TSSOP-20 (Thin Shrink Small Outline Package) form factor. This package type features a compact design, ideal for space-constrained applications.

Pinout

The PCA9534PW is an I2C-bus I/O port expander with 8 bits of input/output. It has a total of 16 pins. Here are the key functions of its pins:
1. VDD (Pin 1): Power supply (typically 2.3V to 5.5V).
2. GND (Pin 8): Ground.
3. SDA (Pin 2): I2C data line.
4. SCL (Pin 3): I2C clock line.
5. A0 (Pin 4): Address selection bit for I2C addressing.
6. A1 (Pin 5): Address selection bit for I2C addressing.
7. A2 (Pin 6): Address selection bit for I2C addressing.
8. INT (Pin 7): Interrupt output (active LOW).
9. P0-P7 (Pins 9-16): Configurable GPIO pins for input or output.
The PCA9534PW allows for the control of multiple GPIO pins via I2C, making it useful for expanding I/O capabilities in microcontroller applications.

Manufacturer

The PCA9534PW is manufactured by NXP Semiconductors, a global semiconductor company. NXP specializes in providing high-performance mixed-signal and standard product solutions, focusing on automotive, industrial, and IoT applications. With a robust portfolio that includes microcontrollers, sensors, and connectivity solutions, NXP serves a wide range of industries, emphasizing innovation and reliability in electronic components. The PCA9534PW is an I2C I/O port expander that allows for increased I/O capabilities in microcontroller-based designs, making it suitable for various embedded applications. NXP is known for its commitment to quality and advanced technology in the semiconductor field.

Application

The PCA9534PW is a GPIO expander that interfaces via I2C. It is commonly used in applications such as LED control, button matrix decoding, and other digital input/output expansions in microcontroller projects. Its features make it suitable for use in consumer electronics, industrial automation, automotive systems, and IoT devices, where additional GPIOs are needed to manage peripherals or sensors efficiently.

Equivalent

The PCA9534PW is an I2C I/O port expander with interrupt capability. Equivalent products include:
1. PCF8574 - 8-bit I/O expander.
2. MCP23008 - 8-bit I/O expander with more features.
3. MCP23017 - 16-bit I/O expander.
4. TCA9555 - 16-bit I/O port expander.
Make sure to check voltage compatibility and pin configurations for specific applications.

Versand

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

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Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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