PCA9557RGVR
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- Mfr.Part #
- PCA9557RGVR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-VQFN Exposed Pad
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16QFN
- Stock
- 8,637
- In Stock ：
- 8,637
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Number of Ports :
- 1
- Length :
- 4mm
- Number of Bits :
- 8
- Number of Pins :
- 16
- Current - Output Source/Sink :
- 10mA 25mA
- Supply Voltage :
- 2.5V
- Power Supplies :
- 2.5/5V
- Supply Current-Max :
- 0.025mA
- Number of Terminations :
- 16
- Package / Case :
- 16-VQFN Exposed Pad
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~85°C
- Clock Frequency :
- 400kHz
- Pin Count :
- 16
- Terminal Position :
- QUAD
- Factory Lead Time :
- 6 Weeks
- Feature :
- POR
- ECCN Code :
- EAR99
- Interface :
- I2C, SMBus
- Operating Supply Voltage :
- 6V
- Output Type :
- Open Drain, Push-Pull
- Pbfree Code :
- yes
- Thickness :
- 900μm
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e4
- Width :
- 4mm
- Number of I/O :
- 8
- Interrupt Output :
- No
- Terminal Pitch :
- 0.65mm
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Packaging :
- Tape and Reel (TR)
- Height :
- 1mm
- Voltage - Supply :
- 2.3V~5.5V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Peak Reflow Temperature (Cel) :
- 260
- Lead Free :
- Lead Free
- Surface Mount :
- yes
- Base Part Number :
- CA9557
- Datasheets
- PCA9557RGVR
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I/O Expanders Texas Instruments PCA9557RGVR Overview
The I/O Expanders Texas Instruments PCA9557RGVR is a highly versatile, robust IC designed for effective I2C communication. Featuring an 8-bit I/O expander, this component from Texas Instruments simplifies the integration of additional I/O ports into a system using the standard I2C-bus interface. It is housed in a compact 16QFN package, making it ideal for space-constrained applications while ensuring reliability and performance. This IC is engineered to meet the rigorous demands of expanding input/output capabilities in embedded systems, making it a critical component for designers looking to optimize their electronic products.
PCA9557RGVR Features
The PCA9557RGVR offers several key features that make it an essential addition to any I/O expansion project:
- 8-bit I/O expander enhances the number of I/O ports via the I2C-bus interface.
- Low standby current, ideal for power-sensitive applications.
- Includes latched outputs with high current drive capability for directly driving LEDs.
- Supports both 400 kHz I2C-bus mode and the interrupt line (INT).
- Housed in a small 16-pin QFN package, optimized for minimal footprint.
PCA9557RGVR Applications
- Smart Home Devices: Integrates seamlessly into home automation systems for controlling lighting, security, and other smart features via expanded I/O capabilities.
- Industrial Automation: Facilitates robust control and monitoring systems by adding more sensors and actuators to PLCs without needing additional main controller pins.
- Consumer Electronics: Essential in portable devices, enabling additional input options like buttons and switches in compact user interfaces.
- Server Management: Used in server farms to enhance the management capabilities such as system status indicators and fan control.
- Automotive Applications: Ideal for use in automotive environments, supporting dashboard controls, lighting, and sensor data collection.
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