PCA9554APWRG4
- Mfr.Part #
- PCA9554APWRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 5,706
- In Stock :
- 5,706
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Weight :
- 61.887009mg
- Pin Count :
- 16
- Current - Output Source/Sink :
- 10mA 25mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Surface Mount :
- yes
- Lifecycle Status :
- NRND (Last Updated: 5 days ago)
- Qualification Status :
- Not Qualified
- JESD-609 Code :
- e4
- Voltage - Supply :
- 2.3V~5.5V
- Packaging :
- Tape and Reel (TR)
- Operating Supply Voltage :
- 5.5V
- ECCN Code :
- EAR99
- Interrupt Output :
- yes
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Power Supplies :
- 2.5/5V
- Number of Ports :
- 1
- Number of Pins :
- 16
- Peak Reflow Temperature (Cel) :
- 260
- Pbfree Code :
- yes
- Base Part Number :
- CA9554
- Operating Temperature :
- -40°C~85°C
- Clock Frequency :
- 400kHz
- Feature :
- POR
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Output Type :
- Push-Pull
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 16
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Number of Bits :
- 8
- Interface :
- I2C, SMBus
- Width :
- 4.4mm
- Lead Free :
- Lead Free
- Terminal Form :
- Gull wing
- Height :
- 1.2mm
- Supply Current-Max :
- 0.175mA
- Length :
- 5mm
- Supply Voltage :
- 5V
- Number of I/O :
- 8
- Thickness :
- 1mm
- Datasheets
- PCA9554APWRG4

I/O Expanders Texas Instruments PCA9554APWRG4 Overview
The I/O Expanders Texas Instruments PCA9554APWRG4 is an essential component designed for efficient I2C interface communication, enabling seamless expansion of input/output operations. This IC, housed in a compact 16TSSOP package, is ideal for applications requiring additional I/O ports without needing significant processor resources. Its capability to handle 8-bit I/O expansion with just two wires makes it a valuable asset in creating scalable, cost-effective designs. By utilizing the PCA9554APWRG4, businesses can enhance their systems' functionality while maintaining a low overhead, making it highly attractive for bulk purchasing by B2B customers.
PCA9554APWRG4 Features
This I/O expander offers multiple features that streamline its integration and functionality in various applications. These include:
- 8-bit I/O port expansion through I2C bus interface.
- Low standby current, making it suitable for power-sensitive applications.
- Edge-triggered interrupts, allowing for immediate response to input changes.
- Configurable polarity inversion register to invert the polarity of the input port data.
- Three hardware address pins to configure multiple devices on the same bus.
PCA9554APWRG4 Applications
- Smart Home Systems: Utilized in expanding control for lighting, security, and home automation panels by adding more input/output ports that manage various sensors and actuators.
- Industrial Automation: Enhances the scalability of control systems in factories by managing multiple sensors and actuators through a single I2C interface.
- Server Management: Applied in server farms to monitor and control different server status indicators and management functions efficiently via extended I/O ports.
- Consumer Electronics: Used in devices like smart TVs and gaming consoles to manage additional buttons, LEDs, or touch panels.
- Portable Devices: Ideal for extending the functionality of battery-operated devices, adding minimal power consumption and maximizing available hardware interfaces.
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