PCA9535DB
- Mfr.Part #
- PCA9535DB
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SSOP
- Stock
- 15,257
- In Stock :
- 15,257
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Pin Count :
- 24
- Pbfree Code :
- yes
- Width :
- 5.3mm
- Interface :
- I2C, SMBus
- Thickness :
- 1.95mm
- JESD-609 Code :
- e4
- Clock Frequency :
- 400kHz
- Current - Output Source/Sink :
- 10mA 25mA
- Supply Voltage :
- 3V
- Base Part Number :
- CA9535
- Number of Pins :
- 24
- Number of I/O :
- 16
- Feature :
- POR
- Number of Terminations :
- 24
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Current :
- 25mA
- Output Type :
- Push-Pull
- Number of Ports :
- 2
- Mount :
- Surface Mount
- Number of Bits :
- 16
- ECCN Code :
- EAR99
- Interrupt Output :
- yes
- Terminal Pitch :
- 0.65mm
- Voltage - Supply :
- 2.3V~5.5V
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Height :
- 2mm
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Terminal Form :
- Gull wing
- Operating Temperature :
- -40°C~85°C
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Weight :
- 172.39345mg
- Operating Supply Voltage :
- 5.5V
- Mounting Type :
- Surface Mount
- Packaging :
- Tube
- Terminal Position :
- Dual
- Factory Lead Time :
- 6 Weeks
- Length :
- 8.2mm
- Number of Outputs :
- 2
- Package / Case :
- 24-SSOP (0.209, 5.30mm Width)
- Qualification Status :
- Not Qualified
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- PCA9535DB

I/O Expanders Texas Instruments PCA9535DB Overview
The I/O Expanders Texas Instruments PCA9535DB is a robust and versatile integrated circuit designed by Texas Instruments, tailored for effective expansion of I/O capabilities via the I2C bus. This component integrates 16 bidirectional I/O ports, which can be individually set as input or output, enhancing its adaptability for various digital control tasks. The PCA9535DB is encased in a compact 24-SSOP package, making it ideal for applications where space is at a premium yet reliable functionality is required. Its design focuses on reducing complexity and improving system performance in managing multiple I/O lines from a simple two-wire interface.
PCA9535DB Features
The PCA9535DB boasts several key features that make it an attractive option for system designers. These include low standby current, which is crucial for power-sensitive applications, and an interrupt output that alerts the host controller to status changes. Furthermore, the PCA9535DB supports both standard (100kHz) and fast (400kHz) I2C modes, providing flexibility in communication speeds according to the needs of different system designs. Each port can be configured independently, allowing for custom setup as inputs or outputs, which significantly simplifies the expansion of any I2C-enabled microcontroller.
PCA9535DB Applications
- Industrial Control Systems: In industrial settings, the PCA9535DB can manage input from sensors and output to actuators, facilitating sophisticated monitoring and control systems.
- Server Farms: Used to expand the number of status indicators and control signals without adding more microcontrollers, improving manageability and scalability.
- Consumer Electronics: Integrates into devices such as smart home controllers and entertainment systems, allowing for enhanced device functionality with more inputs and outputs.
- Mobile and Portable Devices: Its low power consumption and small footprint make it ideal for expanding the I/O capabilities of battery-operated devices without significantly impacting battery life.
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