PCA9544APW
- Mfr.Part #
- PCA9544APW
- Manufacturer
- NXP Semiconductors
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- PCA9544A 4-CHANNEL I2C AND SMBUS
- Stock
- 36,402
- In Stock :
- 36,402
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- Specialized
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Lead Free :
- Lead Free
- Power Dissipation :
- 400mW
- Base Part Number :
- CA9544
- Weight :
- 76.997305mg
- RoHS Status :
- ROHS3 Compliant
- Number of Inputs :
- 4
- Packaging :
- Tube
- Min Operating Temperature :
- -40°C
- Factory Lead Time :
- 6 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- ECCN Code :
- EAR99
- Max Frequency :
- 400kHz
- Radiation Hardening :
- No
- Applications :
- Translating Switch
- Propagation Delay :
- 300 ps
- Peak Reflow Temperature (Cel) :
- 260
- Max Operating Temperature :
- 85°C
- Number of Terminations :
- 20
- Resistance :
- 16Ohm
- Length :
- 6.5mm
- Surface Mount :
- yes
- Supply Voltage :
- 2.5V
- Output Polarity :
- TRUE
- Terminal Form :
- Gull wing
- Pin Count :
- 20
- Terminal Pitch :
- 0.65mm
- Mounting Type :
- Surface Mount
- Drain to Source Resistance :
- 16Ohm
- Temperature Grade :
- Industrial
- Supply Voltage-Min (Vsup) :
- 2.3V
- REACH SVHC :
- No SVHC
- Width :
- 4.4mm
- Terminal Position :
- Dual
- Operating Supply Current :
- 3μA
- Pbfree Code :
- yes
- Height :
- 1.2mm
- Supply Voltage-Max (Vsup) :
- 5.5V
- Interface :
- I2C, SMBus
- Number of Outputs :
- 1
- Nominal Supply Current :
- 3μA
- Number of Functions :
- 1
- Logic Function :
- Multiplexer
- Thickness :
- 1mm
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Number of Pins :
- 20
- Voltage - Supply :
- 2.3V~5.5V
- Max Power Dissipation :
- 400mW
- JESD-609 Code :
- e4
- Datasheets
- PCA9544APW

Specialized NXP Semiconductors PCA9544APW Overview
The Specialized NXP Semiconductors PCA9544APW is a cutting-edge integrated circuit tailored for complex digital communication systems. This 4-channel I2C and SMBus multiplexer enables multiple I2C devices to be connected to the same bus, efficiently managing communication without interference. Its design prioritizes reliable performance and flexible integration, making it a pivotal component for developers looking to enhance system functionality while maintaining scalability and precision.
PCA9544APW Features
This multiplexer is distinguished by its ability to support four separate I2C-bus/SMBus channel connections through one device, facilitating communication with multiple I2C devices over a single bus. Key features include low on-resistance, interrupt logic, and an operational range of 2.3V to 5.5V, which ensures compatibility across various I2C applications. Additionally, it boasts an I2C-bus interface with 5V tolerant I/Os, making it suitable for mixed-voltage systems.
PCA9544APW Applications
- Server Systems: Integrates into server motherboards to manage multiple I2C devices, enhancing diagnostic capabilities and system management efficiency.
- Consumer Electronics: Used in devices such as smart TVs and gaming consoles to facilitate communication between various sensors and controllers, improving user interface and device responsiveness.
- Telecommunication Equipment: Employs in routers and switches to allow multiple sensor connections over a single bus, optimizing performance and reducing hardware complexity.
- Industrial Control: In industrial automation, it is crucial for integrating multiple sensors and actuators on the same bus, increasing reliability and system uptime.
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