TCA9539QPWRQ1 is out of stock and can be placed on backorder.
Available Substitutes:

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Nexperia USA Inc.
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NXP USA Inc.
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onsemi
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I/O Expander 16 I2C, SMBus 400 kHz 24-TSSOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

TCA9539QPWRQ1

DigiKey Part Number
296-44183-2-ND - Tape & Reel (TR)
296-44183-1-ND - Cut Tape (CT)
296-44183-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
TCA9539QPWRQ1
Description
IC XPND 400KHZ I2C SMBUS 24TSSOP
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
I/O Expander 16 I2C, SMBus 400 kHz 24-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
TCA9539QPWRQ1 Models
Product Attributes
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Category
Current - Output Source/Sink
10mA, 25mA
Manufacturer
Texas Instruments
Clock Frequency
400 kHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply
1.65V ~ 3.6V
Part Status
Active
Operating Temperature
-40°C ~ 125°C
DigiKey Programmable
Not Verified
Grade
Automotive
Number of I/O
16
Qualification
AEC-Q100
Interface
I2C, SMBus
Mounting Type
Surface Mount
Interrupt Output
Yes
Package / Case
24-TSSOP (0.173", 4.40mm Width)
Features
POR
Supplier Device Package
24-TSSOP
Output Type
Push-Pull
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
NCA9539PW-Q100JNexperia USA Inc.2,6771727-NCA9539PW-Q100JCT-ND$1.85000Similar
PCA9535PW,118NXP USA Inc.10,110568-10296-1-ND$2.61000Similar
PCA9655EDTR2Gonsemi0PCA9655EDTR2GOSCT-ND$1.42638Similar
In-Stock: 0
2,000 expected in stock on 01-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.54000$3.54
10$2.66500$26.65
25$2.44560$61.14
100$2.20400$220.40
250$2.08872$522.18
500$2.06550$1,032.75
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$1.91504$3,830.08
4,000$1.87633$7,505.32
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.