PCA9534APWR
- Mfr.Part #
- PCA9534APWR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16TSSOP
- Stock
- 9,545
- In Stock :
- 9,545
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Weight :
- 61.887009mg
- Contact Plating :
- Gold
- Operating Temperature :
- -40°C~85°C
- Width :
- 4.4mm
- REACH SVHC :
- No SVHC
- Pbfree Code :
- yes
- Base Part Number :
- CA9534
- Interface :
- I2C, SMBus
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Feature :
- POR
- Terminal Form :
- Gull wing
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 6 Weeks
- ECCN Code :
- EAR99
- Thickness :
- 1mm
- Number of Terminations :
- 16
- Interrupt Output :
- yes
- Number of Ports :
- 1
- Output Type :
- Push-Pull
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Pin Count :
- 16
- Surface Mount :
- yes
- Length :
- 5mm
- Voltage - Supply :
- 2.3V~5.5V
- Package / Case :
- 16-TSSOP (0.173, 4.40mm Width)
- Supply Voltage :
- 5V
- Packaging :
- Tape and Reel (TR)
- Clock Frequency :
- 400kHz
- Terminal Position :
- Dual
- Height :
- 1.2mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Radiation Hardening :
- No
- Number of I/O :
- 8
- Lead Free :
- Lead Free
- JESD-609 Code :
- e4
- Number of Bits :
- 8
- Current - Output Source/Sink :
- 10mA 25mA
- Supply Current-Max :
- 0.175mA
- Number of Pins :
- 16
- Power Supplies :
- 2.5/5V
- Datasheets
- PCA9534APWR

I/O Expanders Texas Instruments PCA9534APWR Overview
The I/O Expanders Texas Instruments PCA9534APWR is a highly versatile, low-power device designed for robust I2C communication. This 8-bit I/O expander makes it simple for designers to expand the number and types of input devices managed by a processor, especially in scenarios where port and pin limitations are significant. It is housed in a compact 16-TSSOP package, ensuring that it fits seamlessly into space-constrained applications while maintaining excellent performance and reliability. The PCA9534APWR integrates features that are critical for systematic control in sophisticated electronics, making it an ideal choice for expanding the capabilities of microcontroller systems with limited GPIOs.
PCA9534APWR Features
The PCA9534APWR from Texas Instruments incorporates several features that enhance its effectiveness in diverse applications. It supports both interrupt and reset functions, offers low standby current, and allows for polarity inversion of the input port data. Additionally, it operates across a wide voltage range from 2.3V to 5.5V, providing flexibility in various power environments. Its robust I2C interface ensures reliable data transfer rates, and the ability to operate at industrial temperature ranges enhances its utility in harsh environments.
PCA9534APWR Applications
- Home Automation Systems: Utilized in smart home devices, the PCA9534APWR can manage additional sensors and actuators, expanding the capabilities of home automation controllers.
- Industrial Control: In industrial settings, this expander is used to increase the number of sensors and outputs monitored and controlled by a single microcontroller, optimizing space and cost in equipment design.
- Mobile Devices: Supports additional input options such as buttons and switches in compact mobile devices, enhancing user interface options without increasing the main processor's load.
- Server Management: Used in server farms to extend the capabilities of baseboard management controllers, allowing for enhanced monitoring and control over more functions with limited GPIOs.
- Healthcare Equipment: In medical devices, it can control and monitor additional functionalities, thereby improving device performance and reliability in patient care scenarios.
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