PCF8575DB
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- Mfr.Part #
- PCF8575DB
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SSOP
- Stock
- 2
- In Stock ：
- 2
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Package / Case :
- 24-SSOP (0.209, 5.30mm Width)
- Factory Lead Time :
- 6 Weeks
- Weight :
- 172.39345mg
- Packaging :
- Tube
- Operating Supply Voltage :
- 5.5V
- Number of Bits :
- 16
- Base Part Number :
- PCF8575
- Number of Terminations :
- 24
- Peak Reflow Temperature (Cel) :
- 260
- HTS Code :
- 8542.39.00.01
- Number of I/O :
- 16
- JESD-609 Code :
- e4
- Supply Current-Max :
- 0.2mA
- Supply Voltage :
- 3.3V
- Terminal Pitch :
- 0.65mm
- Pbfree Code :
- yes
- Interrupt Output :
- yes
- Pin Count :
- 24
- Operating Supply Current :
- 10μA
- Terminal Position :
- Dual
- Length :
- 8.2mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Output Current :
- 25mA
- Clock Frequency :
- 400kHz
- Thickness :
- 1.95mm
- Lead Free :
- Lead Free
- Current - Output Source/Sink :
- 10mA 25mA
- Feature :
- POR
- Number of Ports :
- 2
- Power Supplies :
- 3/5V
- Output Type :
- Push-Pull
- Terminal Form :
- Gull wing
- Number of Pins :
- 24
- Voltage - Supply :
- 2.5V~5.5V
- Height :
- 2mm
- Mount :
- Surface Mount
- Qualification Status :
- Not Qualified
- Interface :
- I2C, SMBus
- Operating Temperature :
- -40°C~85°C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Width :
- 5.3mm
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- PCF8575DB
I/O Expanders Texas Instruments PCF8575DB Overview
The Texas Instruments PCF8575DB I/O expander is a pivotal component in the realm of microcontroller-based systems, enabling efficient, flexible management of I/O signals via the I2C bus. This 24SSOP package device significantly expands the I/O capabilities of host controllers by providing an additional 16 bits of remote I/O. Designed to support both 3.3V and 5V applications, the PCF8575DB is versatile for integration across various digital systems, reducing complexity and enhancing system performance. Its ability to operate over an extended temperature range makes it ideal for demanding environments. The use of I/O Expanders Texas Instruments PCF8575DB can lead to a substantial reduction in signal routing issues and board space, which is critical in dense electronic designs.
PCF8575DB Features
The PCF8575DB I/O expander includes several features that make it an excellent choice for broadening the functionalities of microcontroller systems. Key features include:
- 16 additional I/O ports accessible via a two-wire I2C bus, enhancing system flexibility without needing extra microcontroller pins.
- Compatibility with both 3.3V and 5V logic levels, enabling use in a wide range of applications and reducing power consumption.
- Interrupt output feature which provides a signal to the host microcontroller when input levels on the port change, crucial for responsive and interactive applications.
- Low stand-by current, making it suitable for battery-operated mobile devices where power efficiency is critical.
- Robust ESD protection which ensures reliability and longevity in harsh electrical environments.
PCF8575DB Applications
- Automotive Control Systems: Used to extend the input/output capabilities of automotive microcontrollers, facilitating more complex control systems without additional hardware complexity.
- Industrial Automation: Enables additional sensor and actuator control in PLC systems, improving operational efficiency and monitoring in industrial environments.
- Consumer Electronics: Integrated into devices such as televisions and remote controls, allowing for additional buttons and functions without the need for more complex mainboards.
- Mobile Devices: Helps in expanding the input/output options in compact devices, crucial for adding more features while maintaining device size and battery life.
- Home Automation Systems: Utilized in smart home devices to manage multiple inputs and outputs, such as sensors and switches, enhancing the intelligence and automation capabilities of home systems.
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