PCA9674TS,112

Product Overview

Category

PCA9674TS,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and driving LEDs in various applications.

Characteristics

• The PCA9674TS,112 is a 16-bit I/O expander with an I2C-bus interface.
• It provides 16 open-drain, active-low outputs that can be used to control LEDs or other devices.
• The device operates from a supply voltage range of 2.3V to 5.5V.
• It has a maximum output current of 25mA per channel.
• The PCA9674TS,112 is compatible with both 3.3V and 5V systems.

Package

The PCA9674TS,112 is available in a small TSSOP package.

Essence

The essence of PCA9674TS,112 lies in its ability to expand the number of available I/O pins on a microcontroller or other host device, allowing for efficient control of multiple LEDs or devices.

Packaging/Quantity

The PCA9674TS,112 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Maximum Output Current: 25mA per channel
• Number of I/O Pins: 16
• Interface: I2C-bus
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9674TS,112 has a total of 24 pins. The pin configuration is as follows:

1. SDA - I2C-bus serial data input/output
2. SCL - I2C-bus serial clock input
3. RESET - Reset input 4-19. P0-P15 - I/O pins
4. VDD - Supply voltage
5. GND - Ground
6. A0 - Address input 0
7. A1 - Address input 1
8. A2 - Address input 2

Functional Features

• 16 open-drain, active-low outputs
• Individual output configuration
• Programmable output polarity inversion
• Software reset function
• Power-on reset function
• Noise filter on SDA/SCL inputs
• Internal oscillator for timekeeping

Advantages and Disadvantages

Advantages

• Allows for efficient control of multiple LEDs or devices with limited I/O pins
• Compatible with both 3.3V and 5V systems
• Flexible address configuration for multiple device operation
• Low power consumption

Disadvantages

• Limited maximum output current per channel (25mA)
• Requires an external pull-up resistor for I2C-bus communication

Working Principles

The PCA9674TS,112 operates as an I/O expander by communicating with a microcontroller or host device through the I2C-bus interface. It receives commands from the microcontroller and controls the state of its 16 output pins accordingly. The open-drain outputs can sink current to drive LEDs or other devices connected to them.

Detailed Application Field Plans

The PCA9674TS,112 finds applications in various fields, including but not limited to: - LED matrix displays - LED signage - Industrial automation - Automotive lighting - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PCA9674TS,112 are: - PCA9538PW,118 - MCP23017-E/SP - MAX7313ATG+ - TCA6416APWR

These alternative models provide comparable I/O expansion capabilities and can be considered as substitutes for PCA9674TS,112 in different applications.

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