PCA9554TS,118

Product Overview

Category

PCA9554TS,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

• I2C-bus interface compatibility
• 8-bit remote I/O port with interrupt and reset
• Low standby current consumption
• Schmitt trigger action on all inputs
• Open-drain interrupt output
• Polarity inversion register
• Noise filter on SDA/SCL inputs
• Latched outputs with high-current drive capability
• ESD protection exceeds JESD 22, 2000-V human-body model (A114-A)
• Package: TSSOP16

Packaging/Quantity

PCA9554TS,118 is typically packaged in a TSSOP16 package. Each package contains one unit of the product.

Specifications

• Supply voltage range: 2.3 V to 5.5 V
• Input voltage range: 0 V to VDD
• Output voltage range: 0 V to VDD
• Operating temperature range: -40°C to +85°C
• I2C-bus frequency: 100 kHz, 400 kHz, or 1 MHz

Detailed Pin Configuration

The PCA9554TS,118 has a total of 16 pins arranged as follows:

1. SDA - Serial data input/output pin
2. SCL - Serial clock input pin
3. A0 - Address input pin
4. A1 - Address input pin
5. A2 - Address input pin
6. INT - Interrupt output pin
7. RESET - Reset input pin
8. P0 - Port 0 I/O pin
9. P1 - Port 1 I/O pin
10. P2 - Port 2 I/O pin
11. P3 - Port 3 I/O pin
12. P4 - Port 4 I/O pin
13. P5 - Port 5 I/O pin
14. P6 - Port 6 I/O pin
15. P7 - Port 7 I/O pin
16. GND - Ground pin

Functional Features

• The PCA9554TS,118 provides 8-bit remote I/O port expansion through the I2C-bus interface.
• It supports interrupt and reset functionalities for efficient control.
• The Schmitt trigger action on all inputs ensures reliable signal processing.
• The open-drain interrupt output allows easy integration with other devices.
• The polarity inversion register enables flexible configuration of input/output polarities.
• The noise filter on SDA/SCL inputs helps in reducing signal interference.
• The latched outputs with high-current drive capability ensure robust performance.
• The ESD protection exceeds industry standards, providing enhanced durability.

Advantages and Disadvantages

Advantages

• Easy integration with I2C-bus compatible systems
• Low power consumption in standby mode
• Reliable signal processing with Schmitt trigger action
• Flexible input/output polarity configuration
• High-current drive capability for robust performance

Disadvantages

• Limited number of I/O ports (8-bit)

Working Principles

The PCA9554TS,118 operates by communicating with a microcontroller or host device through the I2C-bus interface. It expands the available I/O ports by providing an additional 8-bit remote I/O port. The device can be configured to generate interrupts based on specific conditions, allowing efficient event-driven processing. The latched outputs with high-current drive capability enable the direct control of external devices. The product's working principles are based on the I2C communication protocol and the internal circuitry designed for I/O expansion.

Detailed Application Field Plans

The PCA9554TS,118 finds applications in various fields, including but not limited to:

1. Consumer electronics: Used for I/O expansion in smart home devices, remote controls, and audio/video equipment.
2. Industrial automation: Enables efficient control of sensors, actuators, and peripheral devices in industrial systems.
3. Automotive electronics: Facilitates I/O expansion in automotive control units, infotainment systems, and lighting modules.
4. Internet of Things (IoT): Supports I/O expansion in IoT devices, allowing seamless integration with other connected devices.
5. Medical devices: Provides additional I/O ports for medical equipment, aiding in data acquisition and control.

Detailed and Complete Alternative Models

1. PCA9554PW,112 - Similar functionality with a different package (TSSOP16)
2. PCA9554DB,112 - Similar functionality with a different package (SSOP16)
3. PCA9554D,112 - Similar functionality with a different package (SO16)

These alternative models offer similar features and can be considered as substitutes for the PCA9554TS,118 based on specific requirements and compatibility