PCA9545ADWR
- Mfr.Part #
- PCA9545ADWR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20SOIC
- Stock
- 7,531
- In Stock :
- 7,531
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Number of Pins :
- 20
- Peak Reflow Temperature (Cel) :
- 260
- Number of Outputs :
- 1
- Applications :
- Translating Switch
- Voltage - Supply :
- 2.3V~5.5V
- Interface :
- I2C, SMBus
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Number of Functions :
- 1
- Max Frequency :
- 400kHz
- Resistance :
- 45Ohm
- Length :
- 12.8mm
- Base Part Number :
- CA9545
- Thickness :
- 2.35mm
- Factory Lead Time :
- 6 Weeks
- Number of Inputs :
- 4
- Bandwidth :
- 400 kHz
- Max Power Dissipation :
- 400mW
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Pbfree Code :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Width :
- 7.5mm
- Terminal Form :
- Gull wing
- Supply Voltage-Min (Vsup) :
- 2.3V
- Surface Mount :
- yes
- Radiation Hardening :
- No
- Supply Voltage :
- 2.5V
- Propagation Delay :
- 1 ns
- Output Polarity :
- TRUE
- Power Dissipation :
- 400mW
- Min Operating Temperature :
- -40°C
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Packing Method :
- TR
- Pin Count :
- 20
- Packaging :
- Tape and Reel (TR)
- Throw Configuration :
- 4PST
- Operating Supply Current :
- 3μA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Temperature Grade :
- Industrial
- Logic Function :
- Multiplexer
- Weight :
- 500.709277mg
- Number of Terminations :
- 20
- Nominal Supply Current :
- 3μA
- Mounting Type :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height :
- 2.65mm
- JESD-609 Code :
- e4
- Max Operating Temperature :
- 85°C
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Load Capacitance :
- 50pF
- Datasheets
- PCA9545ADWR

Specialized Texas Instruments PCA9545ADWR Overview
The Specialized Texas Instruments PCA9545ADWR is a state-of-the-art interface IC designed specifically for applications requiring multiple I2C or SMBus devices. This integrated circuit allows for four bidirectional channels with interrupt logic, facilitating seamless communication within complex embedded systems. By integrating the PCA9545ADWR into your design, you enhance system reliability through improved signal integrity and increased flexibility in managing multiple I2C devices. This IC is housed in a 20SOIC package, providing a compact solution suitable for space-constrained applications while maintaining high performance and ease of integration.
PCA9545ADWR Features
The PCA9545ADWR offers several key features that make it an indispensable component for sophisticated electronics systems:
- Four independently controlled bidirectional channels
- Channel selection via I2C bus
- Low standby current
- 5V tolerant I/Os
- Interrupt output for each channel
- High noise immunity and low power consumption
PCA9545ADWR Applications
- Data Centers: Streamlines server management by allowing multiple servers to connect to the same I2C bus, reducing hardware complexity and improving scalability.
- Telecommunications: Used in telecommunication racks to manage different modules like RF modules, power management modules via a single I2C master, simplifying wiring and enhancing system manageability.
- Consumer Electronics: Facilitates communication between various consumer electronics components, such as in multi-device setups in home entertainment systems, ensuring effective and efficient operation.
- Automotive Applications: Integrates sensors and other peripherals in automotive bus systems, enhancing vehicle sensor data collection and peripheral management.
- Industrial Automation: In industrial automation, it helps in managing different sensors and actuators over a single bus system, thereby optimizing the monitoring and control processes in industrial settings.
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