TCA9554APWR vs TCA9539PWR

This in-depth comparison of the TCA9554APWR and TCA9539PWR provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

TCA9554APWR

Texas Instruments

Lifecycle: Active
Stock: 3727 PCS
Package: TSSOP-16
Series: Interface - I-O Expanders

+BOM RFQ

Part B

TCA9539PWR

Texas Instruments

Lifecycle: Active
Stock: 3987 PCS
Series: Interface - I-O Expanders

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	TCA9554APWR	TCA9539PWR
Part Status	Active	Active
Number of I/O	8	16
Interface	I²C, SMBus	I2C, SMBus
Interrupt Output	Yes	Yes
Features	POR	POR
Output Type	Push-Pull	Push-Pull
Current - Output Source / Sink	10mA, 25mA	10mA, 25mA
Clock Frequency	400 kHz	400 kHz
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Base Product Number	-	TCA9539
Digi Key Programmable	-	Not Verified
Packaging	-	Cut Tape (CT), Tape & Reel (TR)

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