What are the key features of Texas Instruments PCA9539DB?

This product belongs to the Interface - I/O Expanders category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Texas Instruments with full traceability.

What are the main application scenarios for PCA9539DB?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does PCA9539DB work?

This device follows established Interface - I/O Expanders design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of PCA9539DB?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for PCA9539DB?

The global Interface - I/O Expanders market is growing at ~6-8% CAGR, with particularly strong demand in power management. Texas Instruments PCA9539DB is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of PCA9539DB?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Texas Instruments provides full technical support and reference designs.

PCA9539DB Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR by Texas Instruments

PCA9539DB | Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

Category: Interface - I/O Expanders

Brand: Texas Instruments

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

Technical Parameters

Brand	Texas Instruments
Category	Interface - I/O Expanders
Clock Frequency	400 kHz (Max)
Data Tier	Family Level
Description	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR
ECCN	EAR99
Halogen Free	Yes
Interface	I2C
Interrupt Output	Yes
Manufacturer	Texas Instruments
Mounting Type	Surface Mount
Number of Channels	8
Operating Temperature	-40 to +85 C
Package / Case	SOIC
Packaging	Tube
Product Type	I2C Multiplexer
REACH	Compliant
RoHS	Compliant
Series	PCA9539
Standard Pack Qty	60
Supply Voltage	2.3 V to 5.5 V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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3D Model (.stp)

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PCA9539DB Application and Selection Guide

PCA9539DB Model and Manufacturer Information

PCA9539DB, a Interface - I/O Expanders manufactured by Texas Instruments: PCA9539DB helps you confirm the specific model, while Texas Instruments helps you confirm the product source. If you are selecting a part, you can first check whether PCA9539DB meets your requirements, then check whether Texas Instruments matches your expectations, and then refer to Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR for further evaluation.

PCA9539DB Product Parameters and Description

The main parameters of Texas Instruments's Interface - I/O Expanders product PCA9539DB include Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR. This is a Interface - I/O Expanders produced by Texas Instruments, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

PCA9539DB Application and Selection Reference

Texas Instruments's Interface - I/O Expanders product PCA9539DB has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, PCA9539DB is a Interface - I/O Expanders solution worth considering, and manufacturer Texas Instruments provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

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EZKEY can provide PCA9539DB recommended part comparison data and engineering samples for evaluation.