PCA9557PWR vs PCA9534APWR

This in-depth comparison of the PCA9557PWR and PCA9534APWR 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

PCA9557PWR

Texas Instruments

Lifecycle
Active
Stock
1547 PCS
Package
TSSOP-16
Series
Interface - I-O Expanders
+BOM RFQ
Part B

PCA9534APWR

Texas Instruments

Lifecycle
Active
Stock
3270 PCS
Package
TSSOP-16
Series
Interface - I-O Expanders
+BOM RFQ

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

RFQ Contact technical support

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification PCA9557PWR PCA9534APWR
Part Status Active Active
Number of I/O 8 8
Interface I²C, SMBus I²C, SMBus
Interrupt Output No Yes
Features POR POR
Output Type Open Drain, Push-Pull Push-Pull
Current - Output Source / Sink 10mA, 25mA 10mA, 25mA
Clock Frequency 400 kHz 400 kHz
Voltage - Supply 2.3V ~ 5.5V 2.3V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Compare RFQ