PCA9544A
(ACTIVE) 4-Channel I2C And SMBus Multiplexer With Interrupt Logic

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community

Special Note

To request samples of the PCA9544A, please send an email to:

pca_sample_request@list.ti.com

Other packages can be sampled via the Sample and Buy table below.


Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
PCA9544ADGVR ACTIVE -40 to 85 0.63 | 1ku TVSOP (DGV) | 20 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor PCA9544ADGVRG4 ACTIVE -40 to 85 0.63 | 1ku TVSOP (DGV) | 20 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
PCA9544ADW ACTIVE -40 to 85 0.76 | 1ku SOIC (DW) | 20 View 25 | TUBE >5K 1k quantity lead time: In stock
Not Available Contact Distributor PCA9544ADWG4 ACTIVE -40 to 85 0.76 | 1ku SOIC (DW) | 20 View 25 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
PCA9544ADWR ACTIVE -40 to 85 0.63 | 1ku SOIC (DW) | 20 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor PCA9544ADWRG4 ACTIVE -40 to 85 0.63 | 1ku SOIC (DW) | 20 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
PCA9544AGQNR OBSOLETE -40 to 85 Contact Distributor (GQN) | 20 View   >5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
PCA9544APW ACTIVE -40 to 85 0.76 | 1ku TSSOP (PW) | 20 View 70 | TUBE >5K 1k quantity lead time: In stock
Not Available Contact Distributor PCA9544APWE4 ACTIVE -40 to 85 0.76 | 1ku TSSOP (PW) | 20 View 70 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor PCA9544APWG4 ACTIVE -40 to 85 0.76 | 1ku TSSOP (PW) | 20 View 70 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
PCA9544APWR ACTIVE -40 to 85 0.63 | 1ku TSSOP (PW) | 20 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor PCA9544APWRE4 ACTIVE -40 to 85 0.63 | 1ku TSSOP (PW) | 20 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact Distributor PCA9544APWRG4 ACTIVE -40 to 85 0.63 | 1ku TSSOP (PW) | 20 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
PCA9544APWT ACTIVE -40 to 85 0.78 | 1ku TSSOP (PW) | 20 View 250 | SMALL T&R 1K - 5K Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor PCA9544APWTE4 ACTIVE -40 to 85 0.78 | 1ku TSSOP (PW) | 20 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor PCA9544APWTG4 ACTIVE -40 to 85 0.78 | 1ku TSSOP (PW) | 20 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
PCA9544ARGYR ACTIVE -40 to 85 0.63 | 1ku VQFN (RGY) | 20 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor PCA9544ARGYRG4 ACTIVE -40 to 85 0.63 | 1ku VQFN (RGY) | 20 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
PCA9544AZQNR ACTIVE -40 to 85 0.63 | 1ku BGA MICROSTAR JUNIOR (ZQN) | 20 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 1181 26 Feb 2008

Errata (1)

Title Type Size (KB) Date Views
PDF 33 10 Feb 2013 567

Selection & Solution Guides (3)

Title Type Size (KB) Date Views
PDF 2612 10 Oct 2013 9,348
PDF 6000 11 Jul 2013 27,914
PDF 4263 23 Jul 2009 8,738

Tools & Software

Models (1)

Title Category Type Size (KB) Date Views
PCA9544A IBIS Model IBIS Model (Multiple Files) 14 Feb 2007 844 views



Support & Community


TI E2E™ Community

TI E2E Community

As a member of my.TI you can join the TI E2E™ Community where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use.

Training & Events

Name Type Available During
I2C Overview
This course discusses Texas Instruments' I2C Portfolio.
On-Line Training   On Demand  
Factory Automation Overview
In this webinar we present an overview of solutions addressing the industrial market including the PHYTER line.
On-Line Training   On Demand  
What is Thunderbolt? and How Power Delivery and Control System is Defined
This presentation provides an overview of Thunderbolt.
On-Line Training   On Demand  
Sensor Signal Conditioning and Interface for Medical
Explore the various sensor interface techniques and solutions available for medical applications.
On-Line Training   On Demand  
TI Italy Automotive Tech Day
Thank you for attending the TI Italy Automotive Tech Day! Click here to download the presentations.
On-Line Training   On Demand  
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