NXP USA Inc.
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PCA9691TS/1,118
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PCA9691TS/1,118

Product Overview

Category

The PCA9691TS/1,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and expanding the number of input/output (I/O) ports in electronic devices.

Characteristics

  • The PCA9691TS/1,118 is a 16-bit I2C-bus and SMBus I/O expander.
  • It provides 16 I/O pins that can be individually configured as inputs or outputs.
  • The device operates at a voltage range of 2.3V to 5.5V, making it suitable for various applications.
  • It offers a wide operating temperature range of -40°C to +85°C, ensuring reliability in different environments.

Package

The PCA9691TS/1,118 is available in a small-sized TSSOP package, which facilitates easy integration into electronic circuit boards.

Essence

The essence of this product lies in its ability to expand the number of I/O ports, enabling efficient control and connectivity in electronic systems.

Packaging/Quantity

The PCA9691TS/1,118 is typically packaged in reels, with 2500 units per reel.

Specifications

  • Supply Voltage: 2.3V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Number of I/O Pins: 16
  • Communication Interface: I2C-bus and SMBus
  • Package Type: TSSOP

Detailed Pin Configuration

The PCA9691TS/1,118 features a 24-pin TSSOP package with the following pin configuration:

Pin 1: SDA (Serial Data) Pin 2: SCL (Serial Clock) Pin 3: A0 (Address Bit 0) Pin 4: A1 (Address Bit 1) Pin 5: A2 (Address Bit 2) Pin 6-21: I/O0-I/O15 (I/O Pins) Pin 22: VDD (Supply Voltage) Pin 23: GND (Ground) Pin 24: RESET (Reset Input)

Functional Features

  • Individual pin configuration: Each of the 16 I/O pins can be independently configured as an input or output.
  • Interrupt capability: The PCA9691TS/1,118 supports interrupt generation on selected pins, allowing efficient event-driven processing.
  • Programmable I/O logic levels: The device allows the user to define the logic levels for inputs and outputs, enhancing compatibility with different systems.
  • Low standby current: The PCA9691TS/1,118 consumes minimal power in standby mode, contributing to energy efficiency.

Advantages and Disadvantages

Advantages

  • Compact size and easy integration into electronic circuits.
  • Wide operating voltage range enables compatibility with various systems.
  • Independent pin configuration provides flexibility in system design.
  • Interrupt capability enhances event-driven processing efficiency.
  • Low standby current contributes to energy efficiency.

Disadvantages

  • Limited number of I/O pins may not suffice for complex applications requiring a higher number of ports.
  • Lack of built-in protection features against electrical faults or overvoltage conditions.

Working Principles

The PCA9691TS/1,118 operates based on the I2C-bus and SMBus communication protocols. It communicates with the host microcontroller through the serial data (SDA) and serial clock (SCL) lines. The device can be addressed using three address bits (A0, A1, A2), allowing multiple devices to coexist on the same bus. The I/O pins can be individually configured as inputs or outputs by writing appropriate control registers via the I2C-bus interface.

Detailed Application Field Plans

The PCA9691TS/1,118 finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics

In industrial automation, it can be used for controlling and monitoring multiple sensors and actuators. In consumer electronics, it enables expansion of I/O capabilities in devices such as smart home systems and audio/video equipment. In automotive systems, it facilitates efficient control of lighting, switches, and other peripherals. In IoT devices and robotics, the PCA9691TS/1,118 enhances connectivity and control options.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PCA9691TS/1,118 include: - MCP23017 - PCF8574 - MAX7313 - TCA9539

These alternatives provide comparable I/O expansion capabilities and are widely used in various electronic applications.

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10 domande e risposte comuni relative all'applicazione di PCA9691TS/1,118 nelle soluzioni tecniche

  1. What is PCA9691TS/1,118?
    - PCA9691TS/1,118 is an I2C-bus controlled 40 mA 20 LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing and backlight applications.

  2. How many LEDs can PCA9691TS/1,118 control?
    - PCA9691TS/1,118 can control up to 20 LEDs.

  3. What is the maximum current per LED channel that PCA9691TS/1,118 can handle?
    - The maximum current per LED channel that PCA9691TS/1,118 can handle is 40 mA.

  4. Can PCA9691TS/1,118 be used for RGBA color mixing?
    - Yes, PCA9691TS/1,118 is optimized for RGBA color mixing.

  5. What is the input voltage range for PCA9691TS/1,118?
    - The input voltage range for PCA9691TS/1,118 is 2.3 V to 5.5 V.

  6. Is PCA9691TS/1,118 compatible with the I2C-bus interface?
    - Yes, PCA9691TS/1,118 is compatible with the I2C-bus interface.

  7. Can PCA9691TS/1,118 be used for backlight applications?
    - Yes, PCA9691TS/1,118 is suitable for backlight applications.

  8. What is the typical dimming frequency of PCA9691TS/1,118?
    - The typical dimming frequency of PCA9691TS/1,118 is 97 Hz.

  9. Does PCA9691TS/1,118 have thermal shutdown protection?
    - Yes, PCA9691TS/1,118 has thermal shutdown protection.

  10. What is the package type of PCA9691TS/1,118?
    - PCA9691TS/1,118 is available in a TSSOP24 package.