PCA9538PWR
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- Mfr.Part #
- PCA9538PWR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 223,320
- In Stock ：
- 223,320
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Number of Bits :
- 8
- Current - Output Source/Sink :
- 10mA 25mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Contact Plating :
- Gold
- Interface :
- I2C, SMBus
- Number of Terminations :
- 16
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Supply Voltage :
- 2.5V
- Terminal Form :
- Gull wing
- Clock Frequency :
- 400kHz
- Interrupt Output :
- yes
- Pbfree Code :
- yes
- JESD-609 Code :
- e4
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Voltage - Supply :
- 2.3V~5.5V
- REACH SVHC :
- No SVHC
- Number of I/O :
- 8
- Operating Temperature :
- -40°C~85°C
- Packaging :
- Tape and Reel (TR)
- Terminal Position :
- Dual
- Radiation Hardening :
- No
- Feature :
- POR
- Height :
- 1.2mm
- RoHS Status :
- ROHS3 Compliant
- Thickness :
- 1mm
- Supply Current-Max :
- 0.175mA
- ECCN Code :
- EAR99
- Base Part Number :
- CA9538
- Peak Reflow Temperature (Cel) :
- 260
- Pin Count :
- 16
- Length :
- 5mm
- Output Type :
- Push-Pull
- Number of Pins :
- 16
- Lead Free :
- Lead Free
- Number of Ports :
- 1
- Factory Lead Time :
- 8 Weeks
- Surface Mount :
- yes
- Power Supplies :
- 2.5/5V
- Weight :
- 61.887009mg
- Width :
- 4.4mm
- Datasheets
- PCA9538PWR
I/O Expanders Texas Instruments PCA9538PWR Overview
The Texas Instruments PCA9538PWR is a robust I/O expander designed to enhance the performance and flexibility of data communication systems. This component, part of the I/O Expanders category, utilizes an I2C interface to add eight additional I/O ports to any microcontroller or processor. The PCA9538PWR is encapsulated in a compact 16-TSSOP package, making it ideal for applications where space is at a premium. The ability to operate over a wide voltage range and interface with 5V logic levels makes this expander incredibly versatile. The incorporation of features such as an interrupt output ensures that the PCA9538PWR is capable of addressing the complex needs of modern electronic systems, making it a perfect choice for designers looking to optimize their hardware configurations without increasing system complexity.
PCA9538PWR Features
The PCA9538PWR I/O expander from Texas Instruments features several key attributes that make it indispensable in sophisticated electronics. Notably, it supports low voltage operation, ranging from 2.3V to 5.5V, which aligns with contemporary low-power requirements. Its eight I/O pins can be individually configured as inputs or outputs, providing high flexibility. The PCA9538PWR includes an active-low interrupt output, which signals the host microcontroller when input states change, thus reducing the need for continuous polling. Furthermore, the device boasts an I2C-bus interface with a fixed address which allows for simple integration into existing designs without hardware conflicts.
PCA9538PWR Applications
- Smart Home Devices: Utilized to expand GPIO capabilities for controlling lighting, sensors, and other peripherals, enhancing the functionality of smart home hubs.
- Industrial Automation: Employed in PLC systems to increase the number of sensors and actuators that can be controlled and monitored, optimizing the automation process.
- Mobile Devices: Used to add more I/O options in space-constrained environments typical in mobile technology, allowing for additional features without significant redesign.
- Server Management: Helps manage multiple input/output signals in server farms, improving efficiency and monitoring capabilities in data centers.
- Wearable Technology: Supports the expansion of I/O capabilities in wearable devices, facilitating more advanced user interfaces and sensor integrations.
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