PCA9545ARGYR vs PCA9539RGER

This in-depth comparison of the PCA9545ARGYR and PCA9539RGER 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

PCA9545ARGYR

Texas Instruments

Lifecycle
Active
Stock
5425 PCS
Package
VQFN-20
Series
Interface - Specialized
+BOM RFQ
Part B

PCA9539RGER

Texas Instruments

Lifecycle
Active
Stock
3521 PCS
Package
VQFN-24
Series
Interface - I-O Expanders
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification PCA9545ARGYR PCA9539RGER
Part Status Active Active
Applications Translating Switch -
Interface I²C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 5.5V 2.3V ~ 5.5V
Number of I/O - 16
Interrupt Output - Yes
Features - POR
Output Type - Push-Pull
Current - Output Source / Sink - 10mA, 25mA
Clock Frequency - 400 kHz
Operating Temperature - -40°C ~ 85°C
Mounting Type - Surface Mount
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