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HomeProductsIntegrated Circuits (ICs)Interface - I/O ExpandersPCA9535PWG4
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PCA9535PWG4 - Texas Instruments

Manufacturer Part Number
PCA9535PWG4
Manufacturer
Texas Instruments
Allelco Part Number
32D-PCA9535PWG4
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC XPND 400KHZ I2C SMBUS 24TSSOP
Package
24-TSSOP
Data sheet
1.PCA9535PWG4.pdf ...

HTML Datasheet

PCA9535.pdf
RoHs Status
ROHS3 Compliant
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In stock: 6050

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Specifications

PCA9535PWG4 Tech Specifications
Texas Instruments - PCA9535PWG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - PCA9535PWG4

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 2.3V ~ 5.5V  
Supplier Device Package 24-TSSOP  
Series -  
Package / Case 24-TSSOP (0.173", 4.40mm Width)  
Package Tube  
Output Type Push-Pull  
Operating Temperature -40°C ~ 85°C  
Product Attribute Attribute Value  
Number of I/O 16  
Mounting Type Surface Mount  
Interrupt Output Yes  
Interface I²C, SMBus  
Features POR  
Current - Output Source/Sink 10mA, 25mA  
Clock Frequency 400 kHz  
Base Product Number PCA9535  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

PCA9535PWG4

Manufacturer

Texas Instruments

Introduction

The PCA9535PWG4 is a 16-bit bidirectional I/O port expander with I2C-bus/SMBus interface. It is designed to provide microcontroller-based systems with general purpose remote I/O expansion. The device features programmable pull-up/pull-down resistors, interrupt outputs, and input/output port configuration.

Product Features and Performance

16-bit bidirectional I/O port expander

I2C-bus/SMBus interface

Programmable pull-up/pull-down resistors

Interrupt outputs

Input/output port configuration

Operating voltage: 2.3V to 5.5V

Operating temperature range: -40°C to 85°C

400 kHz clock frequency

Product Advantages

Expands I/O capabilities of microcontroller-based systems

Configurable input/output ports

Programmable pull-up/pull-down resistors

Interrupt output for efficient system monitoring

Wide operating voltage and temperature range

Key Reasons to Choose This Product

Versatile I/O expansion solution for embedded systems

Ease of integration with I2C-bus/SMBus-compatible microcontrollers

Flexible port configuration and interrupt handling

Reliable and robust performance across a wide range of operating conditions

Quality and Safety Features

Robust design and ESD protection

Compliance with industry standards

Compatibility

Compatible with I2C-bus and SMBus protocols

Suitable for a variety of microcontroller-based applications

Application Areas

Remote I/O expansion for embedded systems

Industrial automation and control

Consumer electronics

Automotive electronics

Product Lifecycle

["The PCA9535PWG4 is a discontinued product at our website's sales team.","There are equivalent or alternative models available, such as the PCA9535PW.","Customers are advised to contact our website's sales team for more information on alternative solutions."]

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments PCA9535PWG4

Product Attribute PCA9535PWRG4 PCA9535PWR PCA9535PW PCA9535PW,112
Part Number PCA9535PWRG4 PCA9535PWR PCA9535PW PCA9535PW,112
Manufacturer Texas Instruments Texas Instruments Texas Instruments NXP USA Inc.
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Interface - - - -
Interrupt Output - - - -
Current - Output Source/Sink - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Clock Frequency - - - -
Number of I/O - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Features - - - Simultaneous Sampling
Voltage - Supply - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

PCA9535PWG4 Datasheet PDF

Download PCA9535PWG4 pdf datasheets and Texas Instruments documentation for PCA9535PWG4 - Texas Instruments.

HTML Datasheet
PCA9535.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Texas Instruments

PCA9535PWG4

Texas Instruments
32D-PCA9535PWG4

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