PCA9538PW
- Mfr.Part #
- PCA9538PW
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 332,702
- In Stock :
- 332,702
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Pbfree Code :
- yes
- Width :
- 4.4mm
- Height :
- 1.2mm
- Length :
- 5mm
- Supply Voltage :
- 2.5V
- Thickness :
- 1mm
- Number of Pins :
- 16
- Number of Bits :
- 8
- Current - Output Source/Sink :
- 10mA 25mA
- Factory Lead Time :
- 6 Weeks
- Operating Temperature :
- -40°C~85°C
- JESD-609 Code :
- e4
- Weight :
- 61.887009mg
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Power Supplies :
- 2.5/5V
- Feature :
- POR
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Pin Count :
- 16
- Number of I/O :
- 8
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Surface Mount :
- yes
- Interrupt Output :
- yes
- Radiation Hardening :
- No
- Packaging :
- Tube
- Terminal Position :
- Dual
- Number of Ports :
- 1
- Interface :
- I2C, SMBus
- Supply Current-Max :
- 0.175mA
- Output Type :
- Push-Pull
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Form :
- Gull wing
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Voltage - Supply :
- 2.3V~5.5V
- Base Part Number :
- CA9538
- Clock Frequency :
- 400kHz
- REACH SVHC :
- No SVHC
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Number of Terminations :
- 16
- Datasheets
- PCA9538PW

I/O Expanders Texas Instruments PCA9538PW Overview
Introducing the PCA9538PW from Texas Instruments, a state-of-the-art I/O Expander designed to enhance the performance and flexibility of your embedded systems. This device utilizes the I2C bus interface, enabling seamless communication with most microcontrollers and processors. With its compact 16-TSSOP package, the PCA9538PW is ideal for applications where space is at a premium but expansion of I/O ports is necessary. By deploying this I/O Expander, engineers and designers can significantly reduce system complexity and cost, while achieving improved scalability and functionality in their projects.
PCA9538PW Features
The PCA9538PW boasts several key features that make it an excellent choice for various applications. It includes 8-bit I/O port expandability which can be controlled over a two-wire serial interface, making it versatile for a wide range of uses. Each port can be configured as an input or output without the use of additional components, facilitating easier and quicker setup. Furthermore, the device supports multiple address selections, enabling up to eight devices on the same bus. This feature allows for significant expansion of I/O points without needing additional buses.
PCA9538PW Applications
- Smart Home Devices: The PCA9538PW can be used to manage additional sensors and actuators in smart home systems, expanding control capabilities without extensive wiring or hardware modifications.
- Industrial Automation: In industrial environments, this I/O Expander is used to increase the number of I/O points available to a controller, facilitating more complex operations and monitoring systems with minimal additional resource investment.
- Server Management: The device is ideal for expanding the I/O capabilities of server management systems, allowing for additional monitoring and control functions to be added efficiently.
- Mobile and Wearable Technology: Given its small size and low power consumption, the PCA9538PW is perfect for expanding the I/O capabilities of compact devices such as smartphones and wearable technology.
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