Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesSupply original PCA9544APW, Interface - Specialized, by Texas Instruments
PCA9544APW is a Interface - Specialized model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / Interface - Specialized product path. Known package information currently points to TSSOP under the Texas Instruments brand listing. IC SWITCH 4CH I2C/SMBUS 20TSSOP. TrustCompo combines the available model, brand, hierarchy, and specification details around PCA9544APW so buyers can move faster from review to quotation.
RoHS
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
Interface - SpecializedDescription
IC SWITCH 4CH I2C/SMBUS 20TSSOP
key Attributes
-
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
Confirm stock and lead-time expectations
Check CoC or traceability support
Align inspection and fulfillment details
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
Description:
The PCA9544APW is a specialized interface integrated circuit (IC) from Texas Instruments. It is a 4-port switch with an I2C and SMBus interface. It is designed for translating switch applications and is available in a TSSOP-20 package with SMD/SMT mounting style.
Features:- 4-port switch with I2C and SMBus interface- TSSOP-20 package with SMD/SMT mounting style- Operating temperature range of -40°C to +85°C- Maximum supply current of 12µA- Supply voltage range of 2.3V to 5.5VApplications:
The PCA9544APW is suitable for use in translating switch applications, such as in industrial automation, consumer electronics, and automotive applications. It can also be used in applications requiring a low-power, low-voltage switch.
The PCA9544APW is a specialized interface integrated circuit (IC) from Texas Instruments. It is a 4-port switch with an I2C and SMBus interface. It is designed for translating switch applications and is available in a TSSOP-20 package with SMD/SMT mounting style.
Features:- 4-port switch with I2C and SMBus interface- TSSOP-20 package with SMD/SMT mounting style- Operating temperature range of -40°C to +85°C- Maximum supply current of 12µA- Supply voltage range of 2.3V to 5.5VApplications:
The PCA9544APW is suitable for use in translating switch applications, such as in industrial automation, consumer electronics, and automotive applications. It can also be used in applications requiring a low-power, low-voltage switch.
Fast scan
Popular Specs Surfaced First
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
REACH SVHC
No SVHC
Export Classifications & Environmental
JESD-609 Code
e4
Export Classifications & Environmental
HTSUS
8542.39.0001
Export Classifications & Environmental
ECCN Code
EAR99
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
JESD-609 Code
e4
HTSUS
8542.39.0001
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Logic Function
Multiplexer
Drain To Source Resistance
16Ohm
Propagation Delay
300 ps
Supply Voltage-Max (Vsup)
5.5V
Number Of Inputs
4
Supply Voltage-Min (Vsup)
2.3V
Voltage - Supply
2.3V~5.5V
Max Frequency
400kHz
Part Status
Active
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Packaging
Tube
Lifecycle Status
ACTIVE (Last Updated: 3 days ago)
Mounting Type
Surface Mount
Min Operating Temperature
-40°C
Factory Lead Time
6 Weeks
Max Operating Temperature
85°C
Categories
Integrated Circuits (ICs)
Terminal Position
DUAL
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Interface
I2C, SMBus
Manufacturer
Texas
Width
4.4mm
Terminal Pitch
0.65mm
Package / Case
20-TSSOP (0.173, 4.40mm Width)
Temperature Grade
INDUSTRIAL
Max Power Dissipation
400mW
Weight
76.997305mg
Output Polarity
TRUE
Number Of Functions
1
Surface Mount
YES
Radiation Hardening
No
Number Of Terminations
20
Number Of Pins
20
Pin Count
20
Supply Voltage
2.5V
Pbfree Code
yes
Number Of Outputs
1
Thickness
1mm
Height
1.2mm
Nominal Supply Current
3μA
Operating Supply Current
3μA
Length
6.5mm
Power Dissipation
400mW
Resistance
16Ohm
Sub-Categories
Interface - Specialized
Applications
Translating Switch
Base Part Number
CA9544
Manufacturer'S Part No.
PCA9544APW
Common questions
Product FAQ
Quick answers for buyers reviewing PCA9544APW, stock, documentation, and sourcing steps.
What is PCA9544APW?
PCA9544APW is a Interface - Specialized component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for PCA9544APW?
PCA9544APW is listed with package reference TSSOP. The current product description is IC SWITCH 4CH I2C/SMBUS 20TSSOP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is PCA9544APW available in stock?
This page currently shows 47714 units in stock and 47714 units available for PCA9544APW. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for PCA9544APW?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for PCA9544APW by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for PCA9544APW?
A dedicated datasheet link is not currently listed for PCA9544APW by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify PCA9544APW before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for PCA9544APW before approving the order.
Interface - Specialized
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around PCA9544APW, Interface - Specialized, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC