PCA9691T/1,518 I2C Bus I/O Port Expander – 32-Pin TSSOP Package

  • The PCA9691T/1,518 offers efficient I2C bus communication, enhancing device interaction in embedded systems.
  • Supports multiple devices on a single bus, simplifying hardware design for complex applications.
  • Features a compact package type, allowing for space-saving on circuit boards.
  • Ideal for sensor networks, enabling seamless data transfer and control in smart environments.
  • Built with stringent quality measures, ensuring long-term reliability in demanding applications.
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产品上方询盘

PCA9691T/1,518 Overview

The PCA9691T/1,518 is a versatile I2C-bus controlled GPIO expander designed to enhance communication in embedded systems. With its ability to interface seamlessly with various microcontrollers, it provides a reliable solution for applications requiring additional input/output capabilities. This device is ideal for engineers seeking to optimize their designs for performance and efficiency. For more details, visit IC Manufacturer.

PCA9691T/1,518 Key Features

  • 16 GPIO pins provide flexibility for connecting multiple devices, reducing the need for additional components.
  • I2C interface facilitates easy integration with existing systems, enabling efficient communication and reducing design complexity.
  • Low power consumption ensures longer battery life in portable applications, making it an energy-efficient choice for developers.
  • Configurable pull-up resistors enhance signal integrity and adaptability to various circuit conditions.

PCA9691T/1,518 Technical Specifications

Parameter Value
Supply Voltage 2.3V to 5.5V
GPIO Configuration 16-bit
I2C Bus Speed 100 kHz / 400 kHz
Input Voltage Levels 0V to Vcc
Output Current per Pin 20 mA
Operating Temperature Range -40??C to 85??C
Package Type QFN
Maximum I2C Address 127

PCA9691T/1,518 Advantages vs Typical Alternatives

This device stands out against typical alternatives due to its robust I2C interface, which delivers superior communication reliability. The integration of 16 GPIO pins allows for extensive connectivity, reducing overall design complexity while maintaining efficiency and power management advantages. These features collectively enhance performance in demanding applications.

Typical Applications

  • This GPIO expander is ideal for use in automated industrial equipment, where multiple I/O connections are needed to manage various sensors and actuators efficiently, enabling streamlined operations and improved control.
  • It can be used in consumer electronics to expand device capabilities, allowing for additional controls and features to be implemented without extensive redesign.
  • The PCA9691T/1,518 is suitable for smart home devices, providing flexible input/output options for various sensors and controls, enhancing user interaction and automation.
  • It is also applicable in medical devices, where reliable GPIO management is crucial for operating multiple sensors and ensuring accurate readings.

PCA9691T/1,518 Brand Info

The PCA9691T/1,518 is a product from a renowned manufacturer in the semiconductor industry, specializing in innovative solutions for electronic applications. This device exemplifies the brand’s commitment to quality and reliability, making it an excellent choice for engineers looking for effective and efficient I/O expansion options in their designs.

FAQ

What is the maximum number of devices that can share the I2C bus with PCA9691T/1,518?

The PCA9691T/1,518 can support a maximum of 127 devices on the I2C bus, allowing for extensive system scalability and versatility in various applications.

Is the PCA9691T/1,518 suitable for battery-powered applications?

Yes, the low power consumption of this device makes it highly suitable for battery-powered applications, enabling longer operation times without sacrificing performance.

Can the GPIO pins be configured as inputs or outputs?

Yes, the GPIO pins of the PCA9691T/1,518 can be configured as either inputs or outputs, providing flexibility for various application needs and enhancing overall functionality.

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产品中间询盘

What is the operating temperature range of the PCA9691T/1,518?

This device operates within a temperature range of -40??C to 85??C, making it suitable for use in challenging environments and ensuring reliable performance across diverse applications.

How is the PCA9691T/1,518 integrated into existing systems?

Integration is straightforward, as the PCA9691T/1,518 uses the I2C interface, allowing easy communication with microcontrollers and other devices, simplifying system design and reducing time to market.

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