PCA9554PWG4
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- Mfr.Part #
- PCA9554PWG4
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 34,732
- In Stock ：
- 34,732
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Number of I/O :
- 8
- Supply Current-Max :
- 0.175mA
- Interface :
- I2C, SMBus
- Mounting Type :
- Surface Mount
- Length :
- 5mm
- Qualification Status :
- Not Qualified
- Clock Frequency :
- 400kHz
- Operating Supply Voltage :
- 5.5V
- Pin Count :
- 16
- Voltage - Supply :
- 2.3V~5.5V
- Weight :
- 61.887009mg
- Terminal Position :
- Dual
- Interrupt Output :
- yes
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- CA9554
- Feature :
- POR
- Surface Mount :
- yes
- Pbfree Code :
- yes
- Output Type :
- Push-Pull
- Terminal Form :
- Gull wing
- Supply Voltage :
- 3V
- Packaging :
- Tube
- Number of Pins :
- 16
- ECCN Code :
- EAR99
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Peak Reflow Temperature (Cel) :
- 260
- Height :
- 1.2mm
- Number of Terminations :
- 16
- Width :
- 4.4mm
- Lead Free :
- Lead Free
- Number of Ports :
- 1
- Power Supplies :
- 2.5/5V
- Current - Output Source/Sink :
- 10mA 25mA
- Number of Bits :
- 8
- JESD-609 Code :
- e4
- Operating Temperature :
- -40°C~85°C
- Thickness :
- 1mm
- Lifecycle Status :
- NRND (Last Updated: 1 week ago)
- Output Current :
- 25mA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- PCA9554PWG4
I/O Expanders Texas Instruments PCA9554PWG4 Overview
The I/O Expanders Texas Instruments PCA9554PWG4 is a highly efficient and versatile 8-bit I/O expander, designed to effectively manage the interface challenges in microcontroller-based systems without sufficient I/O ports. Utilizing the I2C bus interface, this IC allows for significant expansion of I/O capabilities while minimizing the pin requirements on the main processor. Its compact 16-TSSOP package is engineered for streamlined integration into a variety of electronic assemblies, making it ideal for space-constrained applications. The PCA9554PWG4 stands out for its robustness and adaptability, making it a preferred choice for developers looking to enhance their system’s I/O handling capacity.
PCA9554PWG4 Features
This product boasts several key features that enhance its utility and efficiency in expanding I/O capabilities. These include low standby current, which is crucial for power-sensitive applications, and an interrupt output feature that ensures timely response to input changes. Additionally, the PCA9554PWG4 supports both standard (100 kHz) and fast (400 kHz) I2C modes, allowing for flexible integration into different system architectures. Its ability to operate across a wide voltage range from 2.3V to 5.5V also adds to its versatility, accommodating various logic levels and power supplies.
PCA9554PWG4 Applications
- Smart Home Devices: The PCA9554PWG4 can be used to expand input/output options for home automation systems, allowing for the integration of additional sensors and actuators without overloading the central controller.
- Industrial Control Systems: In industrial environments, this IC helps to manage multiple input and output signals, which is essential for monitoring and controlling machinery with precision and reliability.
- Mobile Devices: It assists in extending the I/O capabilities of compact devices where space and power efficiency are critical, improving functionality without significant power draw.
- Server Management: By facilitating the addition of more I/O ports, the PCA9554PWG4 is ideal for server applications where extensive monitoring and control of hardware is necessary.
- Wearable Technology: This expander is also suitable for wearables, contributing to miniaturization efforts by reducing the need for numerous discrete components.
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