PCA9545AZQNR
- Mfr.Part #
- PCA9545AZQNR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-VFBGA
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20BGA
- Stock
- 11,456
- In Stock :
- 11,456
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Number of Pins :
- 20
- Voltage - Supply :
- 2.3V~5.5V
- Output Polarity :
- TRUE
- Bandwidth :
- 400 kHz
- Load Capacitance :
- 50pF
- Supply Voltage-Min (Vsup) :
- 2.3V
- Package / Case :
- 20-VFBGA
- Terminal Pitch :
- 0.65mm
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 20
- Pin Count :
- 20
- Packing Method :
- TR
- Pbfree Code :
- yes
- Logic Function :
- Multiplexer
- Terminal Form :
- Ball
- Number of Functions :
- 1
- Mounting Type :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- JESD-609 Code :
- e1
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of Circuits :
- 4
- Max Operating Temperature :
- 85°C
- Applications :
- Translating Switch
- Thickness :
- 750μm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Position :
- BOTTOM
- Surface Mount :
- yes
- Supply Voltage :
- 2.5V
- Number of Outputs :
- 1
- Width :
- 3mm
- Lead Free :
- Lead Free
- Base Part Number :
- CA9545
- Max Frequency :
- 400kHz
- Interface :
- I2C, SMBus
- Length :
- 4mm
- Height :
- 1mm
- Throw Configuration :
- 4PST
- Power Dissipation :
- 400mW
- Weight :
- 21.800783mg
- Radiation Hardening :
- No
- Resistance :
- 16Ohm
- Propagation Delay :
- 1 ns
- Min Operating Temperature :
- -40°C
- Temperature Grade :
- Industrial
- Terminal Finish :
- Tin/Silver/Copper (Sn/Ag/Cu)
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- PCA9545AZQNR

Specialized Texas Instruments PCA9545AZQNR Overview
The Specialized Texas Instruments PCA9545AZQNR is a highly versatile IC interface specialized for complex multi-channel applications. Engineered by Texas Instruments, this interface IC simplifies the design and enhances the functionality of modern electronics systems. The PCA9545AZQNR stands out for its ability to seamlessly integrate with multiple I2C devices or debugging tools, making it an essential component for developers aiming to optimize their systems for performance and reliability. Its compact 20-BGA package ensures a minimal footprint on the system board, crucial for space-constrained applications.
PCA9545AZQNR Features
This interface IC offers multiple features that make it ideal for a wide range of applications. It supports four bidirectional translating switches that allow connection to four downstream channels simultaneously without interference. The low stand-by current is crucial for power-sensitive applications, and it operates over a broad power supply range from 2.3 V to 5.5 V, accommodating various device specifications. Moreover, the PCA9545AZQNR includes an interrupt logic feature that notifies the host controller when an I2C device connected to it requires attention, improving system responsiveness.
PCA9545AZQNR Applications
- Server Management: Applied in server boards to manage multiple I2C modules efficiently, enhancing system diagnostics and scalability.
- Data Centers: Utilized within data center configurations to streamline the communication between different server racks and systems for improved data management and access.
- Embedded Systems: Integral in compact embedded systems where multiple sensors or devices must communicate via a single microcontroller, optimizing space and power usage.
- Consumer Electronics: Facilitates advanced configurations in consumer electronics like smart home devices, allowing for more complex networked solutions within limited space constraints.
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