PCA9545APWR vs PCA9554PWR

This in-depth comparison of the PCA9545APWR and PCA9554PWR 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

PCA9545APWR

Texas Instruments

Lifecycle
Active
Stock
3980 PCS
Package
TSSOP-20
Series
Interface - Specialized
+BOM RFQ
Part B

PCA9554PWR

Texas Instruments

Lifecycle
Active
Stock
1583 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 PCA9545APWR PCA9554PWR
Part Status Active Not For New Designs
Applications Translating Switch -
Interface I²C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 5.5V 2.3V ~ 5.5V
Number of I/O - 8
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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