TCA9543APWR vs TCA9539PWR

This in-depth comparison of the TCA9543APWR 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

TCA9543APWR

Texas Instruments

Lifecycle: Active
Stock: 3281 PCS
Package: TSSOP-14
Series: Logic - Signal Switches, Multiplexers, Decoders

+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	TCA9543APWR	TCA9539PWR
Series	TCA	-
Part Status	Active	Active
Type	Bus Switch	-
Circuit	2 x 1:2	-
Independent Circuits	1	-
Voltage Supply Source	Single Supply	-
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
Number of I/O	-	16
Interface	-	I2C, SMBus
Interrupt Output	-	Yes
Features	-	POR
Output Type	-	Push-Pull
Current - Output Source / Sink	-	10mA, 25mA
Clock Frequency	-	400 kHz
Packaging	-	Cut Tape (CT), Tape & Reel (TR)

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