CAT9532HV6I-GT2

Product Overview

Category: Integrated Circuit (IC)

Use: The CAT9532HV6I-GT2 is a high-voltage 16-bit I2C and SMBus I/O expander. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface.

Characteristics: - High-voltage capability: Operates from 3.0V to 5.5V supply voltage - 16-bit remote bidirectional I/O port: Can be used as inputs or outputs - I2C-bus/SMBus interface compatibility: Supports standard, fast, and high-speed modes - Internal power-on reset - Noise filter on SDA/SCL inputs - Low standby current consumption: Less than 1µA typical - Schmitt trigger inputs for noise suppression - ESD protection exceeds JESD 22: ±2000V Human Body Model (HBM), ±1000V Charged Device Model (CDM)

Package: The CAT9532HV6I-GT2 comes in a small 20-pin TSSOP package, which ensures easy integration into various electronic systems.

Essence: This IC serves as an I/O expander, allowing microcontrollers to increase their input/output capabilities by providing additional digital I/O ports.

Packaging/Quantity: The CAT9532HV6I-GT2 is typically sold in reels of 2500 units per reel.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400kHz
• Number of I/O Ports: 16
• Maximum Output Current: 25mA per I/O
• Standby Current: Less than 1µA (typical)

Pin Configuration

The CAT9532HV6I-GT2 has a total of 20 pins. The pin configuration is as follows:

Pin 1: SDA - Serial Data Input/Output Pin 2: SCL - Serial Clock Input Pin 3-18: I/O0-I/O15 - Bidirectional I/O Ports Pin 19: GND - Ground Pin 20: VCC - Supply Voltage

Functional Features

• Bidirectional I/O Expansion: The CAT9532HV6I-GT2 provides 16 bidirectional I/O ports that can be configured as inputs or outputs, allowing for flexible integration with microcontrollers.
• I2C/SMBus Interface: It supports the widely-used I2C and SMBus communication protocols, enabling seamless connectivity with various microcontroller families.
• High-Voltage Capability: With a supply voltage range of 3.0V to 5.5V, this IC can operate in diverse electronic systems.
• Low Standby Current Consumption: The CAT9532HV6I-GT2 consumes less than 1µA of standby current, making it suitable for power-sensitive applications.
• Noise Suppression: Schmitt trigger inputs and noise filters on SDA/SCL inputs ensure reliable data transmission even in noisy environments.

Advantages and Disadvantages

Advantages: - Provides additional I/O ports for microcontrollers without requiring complex circuitry - Supports popular communication protocols (I2C and SMBus) - Wide operating voltage range allows compatibility with various systems - Low standby current consumption helps conserve power - Built-in noise suppression features enhance reliability

Disadvantages: - Limited to 16 bidirectional I/O ports - Requires an external microcontroller for control and communication

Working Principles

The CAT9532HV6I-GT2 operates by receiving commands and data from a microcontroller via the I2C or SMBus interface. It can be configured as either an input or output port, allowing for versatile usage. The IC communicates with the microcontroller using standard, fast, or high-speed modes, depending on the desired data transfer rate. The bidirectional I/O ports can be controlled individually, enabling flexible integration into various applications.

Application Field Plans

The CAT9532HV6I-GT2 finds application in a wide range of fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics - Medical equipment

Its ability to expand the I/O capabilities of microcontrollers makes it suitable for any application that requires additional digital I/O ports.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the CAT9532HV6I-GT2: - MCP23017: 16-bit I/O expander with I2C interface - PCA9555: 16-bit I/O expander with I2