About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Interface - I/O ExpandersPCA9535PW
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

PCA9535PW - Texas Instruments

Manufacturer Part Number
PCA9535PW
Manufacturer
Texas Instruments
Allelco Part Number
32D-PCA9535PW
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC XPND 400KHZ I2C SMBUS 24TSSOP
Package
24-TSSOP
Data sheet
1.PCA9535PW.pdf ...

HTML Datasheet

PCA9535.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 16645
  • Unit Price: $0.879
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.879 $0.88
10+ $0.741 $7.41
30+ $0.665 $19.95
100+ $0.578 $57.80
500+ $0.54 $270.00
1000+ $0.522 $522.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
EXPRESS OPTION
Payment method
Our certification

Specifications

PCA9535PW Tech Specifications
Texas Instruments - PCA9535PW technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - PCA9535PW

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

PCA9535PW

Manufacturer

Texas Instruments

Introduction

The PCA9535PW is an integrated circuit from Texas Instruments, serving as a 16-bit I/O expander with I2C and SMBus serial interface protocols.

Product Features and Performance

16-bit I/O ports for input/output expansion through I2C or SMBus

Provides interrupt output for input change detection

Supports Push-Pull output type for driving LEDs or other output devices

Power-on Reset (POR) feature

Capable of sourcing or sinking current of 10mA or 25mA per output

Supports a clock frequency of up to 400 kHz for serial communications

Operational across a wide voltage range from 2.3V to 5.5V

Designed for operation in temperatures ranging from -40°C to 85°C

Product Advantages

Increase in the number of I/O ports available on a microcontroller

Compact 24-TSSOP packaging saves board space

Compatibility with both I2C and SMBus increases flexibility for different communication protocols

Built-in POR feature simplifies power management and device initialization

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Output Type: Push-Pull

Current - Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage - Supply: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Compliant with industrial quality and safety standards

Ensures reliable performance over the specified temperature range

Compatibility

Compatible with microcontrollers supporting I2C or SMBus protocols

Surface mount design fits standard 24-TSSOP footprints

Application Areas

Embedded systems

I/O port expansion for microcontrollers

Industrial automation

Robotics

Remote I/O modules

Product Lifecycle

Obsolete status indicates that the manufacturer has discontinued the production

Alternatives or next-generation replacements may be available

Several Key Reasons to Choose This Product

Extended I/O port count enhances system capabilities without adding to microcontroller costs

Compact size and surface mount packaging align with modern space-saving design requirements

Versatility in interfacing with a wide range of supply voltages and microcontroller voltages

Ease of integration and improved system management due to the interrupt output feature

Suited for harsh environments with a wide operational temperature range

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments PCA9535PW

Product Attribute PCA9535PWG4 PCA9535PWR PCA9535PW,112 PCA9535PWRG4
Part Number PCA9535PWG4 PCA9535PWR PCA9535PW,112 PCA9535PWRG4
Manufacturer Texas Instruments Texas Instruments NXP USA Inc. Texas Instruments
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Output Type - Current - Unbuffered Voltage - Buffered -
Number of I/O - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Features - - - Simultaneous Sampling
Current - Output Source/Sink - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Clock Frequency - - - -
Interface - - - -
Voltage - Supply - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Interrupt Output - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42

PCA9535PW Datasheet PDF

Download PCA9535PW pdf datasheets and Texas Instruments documentation for PCA9535PW - Texas Instruments.

PCN Design/Specification
Datasheet Update 25/Jun/2014.pdf Design 22/Feb/2022.pdf
HTML Datasheet
PCA9535.pdf

Customers Also Interested in

Recommended Products

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.

Write a Review

Your Email address will not be published.

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

View More
Texas Instruments

PCA9535PW

Texas Instruments
32D-PCA9535PW

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB