PCA9544APWR
- Mfr.Part #
- PCA9544APWR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20TSSOP
- Stock
- 79
- In Stock :
- 79
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Factory Lead Time :
- 6 Weeks
- Number of Inputs :
- 4
- Packing Method :
- TR
- Mounting Type :
- Surface Mount
- Interface :
- I2C, SMBus
- Terminal Position :
- Dual
- Bandwidth :
- 400 kHz
- Supply Voltage-Min (Vsup) :
- 2.3V
- Operating Supply Current :
- 8μA
- JESD-609 Code :
- e4
- Number of Pins :
- 20
- Contact Plating :
- Gold
- Max Power Dissipation :
- 400mW
- Length :
- 6.5mm
- Throw Configuration :
- 4PST
- Base Part Number :
- CA9544
- Supply Voltage :
- 2.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Height :
- 1.2mm
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Voltage - Supply :
- 2.3V~5.5V
- Weight :
- 76.997305mg
- Number of Functions :
- 1
- Thickness :
- 1mm
- Terminal Pitch :
- 0.65mm
- Pin Count :
- 20
- REACH SVHC :
- No SVHC
- Max Frequency :
- 400kHz
- Terminal Form :
- Gull wing
- Power Dissipation :
- 400mW
- Applications :
- Translating Switch
- Radiation Hardening :
- No
- Packaging :
- Tape and Reel (TR)
- Output Polarity :
- TRUE
- Propagation Delay :
- 1 ns
- Resistance :
- 16Ohm
- Logic Function :
- Multiplexer
- Peak Reflow Temperature (Cel) :
- 260
- ECCN Code :
- EAR99
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Number of Terminations :
- 20
- Supply Voltage-Max (Vsup) :
- 5.5V
- Width :
- 4.4mm
- Surface Mount :
- yes
- Max Operating Temperature :
- 85°C
- Pbfree Code :
- yes
- Nominal Supply Current :
- 3μA
- Number of Outputs :
- 1
- RoHS Status :
- ROHS3 Compliant
- Min Operating Temperature :
- -40°C
- Quiescent Current :
- 3μA
- Temperature Grade :
- Industrial
- Datasheets
- PCA9544APWR

Specialized Texas Instruments PCA9544APWR Overview
The Specialized Texas Instruments PCA9544APWR is an advanced integrated circuit (IC) specifically designed for specialized interface applications. This IC, housed in a compact 20TSSOP package, stands out for its ability to manage multiple I2C devices over a single bus system, significantly enhancing system efficiency and reliability. Ideal for complex multi-master and multi-slave systems, the PCA9544APWR provides seamless integration and superior performance, making it a preferred choice for high-demand applications in various tech-driven industries. Its design focuses on solving the common challenges faced by developers in achieving optimal data flow and device control within restricted space conditions.
PCA9544APWR Features
The PCA9544APWR IC from Texas Instruments includes several key features that make it indispensable for sophisticated electronic systems. It supports four separate I2C-bus channels with individual interrupt outputs, which is essential for maintaining the integrity of multi-device communication. Additionally, its low standby current ensures energy efficiency, while the built-in channel selection via I2C bus addresses adds to the flexibility and scalability of system design. This IC also offers an interrupt logic output that simplifies integration into larger systems by providing direct feedback on channel status.
PCA9544APWR Applications
- Server Management: Utilizes its multiple I2C channels to handle various sensors and peripherals within a server, facilitating better monitoring and control.
- Industrial Automation: Plays a critical role in managing communication between different sensor units and actuaries, enhancing process efficiency and reliability in automated production lines.
- Telecommunications: Helps in addressing the complexities of network equipment management by ensuring reliable data transfer between multiple devices.
- Consumer Electronics: Applied in complex consumer electronics, such as smart home systems, to coordinate multiple device operations smoothly and efficiently.
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