TCA9539PWR vs TCA9538PWR

This in-depth comparison of the TCA9539PWR and TCA9538PWR 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

TCA9539PWR

Texas Instruments

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

+BOM RFQ

Part B

TCA9538PWR

Texas Instruments

Lifecycle: Active
Stock: 5727 PCS
Package: TSSOP-16
Series: Interface - I-O Expanders

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	TCA9539PWR	TCA9538PWR
Part Status	Active	Active
Base Product Number	TCA9539	-
Digi Key Programmable	Not Verified	-
Number of I/O	16	8
Interface	I2C, SMBus	I²C
Interrupt Output	Yes	Yes
Features	POR	-
Output Type	Push-Pull	Push-Pull
Current - Output Source / Sink	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
Packaging	Cut Tape (CT), Tape & Reel (TR)	-

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