PCA9544APWT
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- Mfr.Part #
- PCA9544APWT
- Manufacturer
- Texas Instruments
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20TSSOP
- Stock
- 4,045
- In Stock ：
- 4,045
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Surface Mount :
- yes
- Logic Function :
- Multiplexer
- Terminal Position :
- Dual
- Bandwidth :
- 400 kHz
- Voltage - Supply :
- 2.3V~5.5V
- Max Power Dissipation :
- 400mW
- Propagation Delay :
- 1 ns
- Number of Outputs :
- 1
- JESD-609 Code :
- e4
- Number of Terminations :
- 20
- Packing Method :
- TR
- Thickness :
- 1mm
- Weight :
- 76.997305mg
- Supply Voltage :
- 2.5V
- Max Operating Temperature :
- 85°C
- Pbfree Code :
- yes
- Number of Pins :
- 20
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- CA9544
- Output Polarity :
- TRUE
- Temperature Grade :
- Industrial
- Resistance :
- 45Ohm
- Interface :
- I2C, SMBus
- Terminal Pitch :
- 0.65mm
- Pin Count :
- 20
- Mounting Type :
- Surface Mount
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Min Operating Temperature :
- -40°C
- Supply Voltage-Max (Vsup) :
- 5.5V
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tape and Reel (TR)
- Max Frequency :
- 400kHz
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Number of Channels :
- 4
- Radiation Hardening :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Power Dissipation :
- 400mW
- Height :
- 1.2mm
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Current :
- 3μA
- Supply Voltage-Min (Vsup) :
- 2.3V
- Length :
- 6.5mm
- Width :
- 4.4mm
- Applications :
- Translating Switch
- Terminal Form :
- Gull wing
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Functions :
- 1
- Datasheets
- PCA9544APWT
Specialized Texas Instruments PCA9544APWT Overview
The Specialized Texas Instruments PCA9544APWT is a high-performance interface IC designed specifically for advanced multiplexing applications. This IC enables four different I2C or SMBus devices to communicate with a single host controller, significantly expanding system capabilities without requiring additional pins on the main processor. Its compact 20-TSSOP package is ideal for space-constrained applications, offering a scalable solution for complex embedded systems. The PCA9544APWT is particularly suited for environments where multiple sensors, peripherals, or tasks need to operate seamlessly over a common communication bus, enhancing both system efficiency and reliability.
PCA9544APWT Features
This specialized interface IC boasts several key features including four bidirectional translating switches that can connect any combination of I2C or SMBus devices. Each channel can be independently selected through a simple I2C-bus interface, which also supports interrupt-driven communication, minimizing the need for continuous host monitoring and thus reducing power consumption. The PCA9544APWT is also equipped with active LOW interrupt outputs, further facilitating robust and flexible system design.
PCA9544APWT Applications
- Server Management: Utilizes channel switching capabilities to monitor and control multiple server sensors through a single host controller, simplifying infrastructure and enhancing system diagnostics.
- Multi-Zone Audio Systems: Enables distinct audio components to communicate over a single I2C bus, allowing for streamlined integration and control of complex audio processing units.
- Industrial Automation: Facilitates the connection of a variety of sensors and actuators to a central processor, optimizing process control and data acquisition in automated production lines.
- Telecommunications Equipment: Applied in managing multiple communication modules within network devices, ensuring efficient data exchange and system performance monitoring without overwhelming the main processor.
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