What are the primary applications for this device?

It is commonly used in servers, routers, industrial automation, and consumer electronics to expand GPIO capabilities.

Does the TCA9555 support interrupt functionality?

Yes, it features an open-drain active-low interrupt output that signals the master when input states change.

What is the operating voltage range?

The device operates from 1.65 V to 5.5 V, making it compatible with various logic levels.

What is the sourcing risk for this component?

The TCA9555 is a widely available, active component from Texas Instruments with high market availability.

What is the pinout of TCA9555PWR?

Use the TCA9555PWR datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TCA9555PWR pinout to locate pins, power rails, and interface signals before layout.

TCA9555PWR Datasheet, Specs, Alternatives & ECAD | Texas Instruments

AI summary

The TCA9555PWR is a reliable 16-bit I/O expander for I2C/SMBus systems, offering flexible configuration and low power consumption.

Best for

GPIO expansion
LED control
Button monitoring

Avoid if

Extremely high-speed I/O requirements

Check before use

I2C address configuration pins (A0, A1, A2)

Key specifications

I/O Count: 16
Interface: I2C/SMBus
Voltage Range: 1.65V - 5.5V
Package: TSSOP-24

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: -
MSL: Level-1-260C-UNLIM
ECCN: EAR99
HTSUS: 8542.39.0001

Application

Industrial AutomationConsumer Electronics

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 16-bit I/O expander that allows microcontrollers to control additional I/O pins via an I2C or SMBus interface.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the TCA9555PWR?+×

What are the primary applications for this device?+×

Does the TCA9555 support interrupt functionality?+×

What is the operating voltage range?+×

What is the sourcing risk for this component?+×

What is the pinout of TCA9555PWR?+×