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Name: PCA9545APW,112
Brand: NXP USA Inc.
SKU: PCA9545APW,112
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. PCA9545APW,112

Part No.:: PCA9545APW,112

Manufacturer:: NXP USA Inc.

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9545APW,112.pdf

Description:: IC INTERFACE SPECIALIZED 20TSSOP

In Stock:: 1872

Quantity:: Add To Cart

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PCA9545APW,112 Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Applications:
4-Channel I²C Switcher
Interface:
I²C, SMBus
Voltage-Supply:
2.3V ~ 5.5V

PCA9545APW,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9545APW,112 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCA9545APW,112 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCA9545APW,112 information

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PCA9545APW,112 Typical application Circuitry

PCA9545APW,112

The PCA9545APW,112 is a component in the PCA series, known for its role as a 4-channel I2C-bus multiplexer. Manufactured by Texas Instruments, this device is specifically engineered to enable communication with multiple I2C devices that may have identical hardware addresses, by providing four distinct I2C-bus channels. It is ideally suited for applications that require the management of multiple I2C devices such as in complex server systems, advanced networking equipment, and sophisticated control systems.

1. Power Supply and Voltage Requirements: Operating within a voltage range of 2.3V to 5.5V, the PCA9545APW,112 caters to a variety of system logic levels. This flexibility in voltage compatibility makes it suitable for different types of electronic environments. The device's VDD pin is connected to the positive power supply, and the GND pin establishes the ground connection. It is recommended to employ decoupling capacitors near the power supply pins, which provide a clean and steady voltage input, to ensure reliable and noise-free operation.

2. Pin Configuration and Effective Connectivity: The PCA9545APW,112 comprises several pins, each serving a distinct purpose. The main I2C bus is interfaced through the SDA and SCL pins, and the device provides four sets of SDAx and SCLx pins, each corresponding to one of the four I2C bus channels. The device also includes three address pins (A0, A1, A2) that allow for the configuration of the I2C address. An interrupt pin (INT) signals the main controller of activity on any of the I2C channels. Correctly configuring and connecting these pins is essential for the proper operation of the I2C multiplexer.

3. Integration into I2C Systems: The PCA9545APW,112 is crucial for expanding the capabilities of I2C systems, allowing a single I2C master device to communicate with multiple slave devices, even those with identical addresses. Integration requires programming the master device to correctly select the active channel on the multiplexer, thus facilitating communication with the desired I2C device on the corresponding channel.

4. Performance and Application Flexibility: The PCA9545APW,112 stands out for its robust performance in managing I2C communications. It effectively addresses the challenge of connecting multiple I2C devices with overlapping addresses to a single I2C master. Its versatility for a broad variety of applications in intricate electrical systems arises from this ability.

5. Circuit Design and PCB Layout Strategies: Designing a circuit for the PCA9545APW,112 involves careful consideration of trace routing, particularly for the I2C bus lines. It is important to ensure the SDA and SCL lines for both the main bus and individual channels are routed to minimize interference and maintain signal integrity. A well-designed PCB layout is crucial for the efficient performance of the I2C multiplexer, reducing cross-talk and ensuring stable communication.

6. Standard Compliance and Reliability: Adhering to industry standards for I2C communication, the PCA9545APW,112 guarantees compatibility and reliability in various applications. Its compliance with I2C specifications ensures that it can be integrated seamlessly with a wide array of I2C devices.

7. Handling and Installation Precautions: Due to its sensitivity to electrostatic discharge (ESD), the PCA9545APW,112 requires careful handling. To preserve the integrity and operation of the device, proper ESD measures must be taken both during handling and installation.

In summary, the PCA9545APW,112 is an essential I2C-bus multiplexer, offering efficient management of multiple I2C devices in complex electronic systems. Its successful deployment involves stable power supply management, accurate pin configuration, strategic integration into I2C networks, leveraging its performance for various applications, thoughtful circuit design, adherence to industry standards, and cautious handling and installation. These steps ensure the PCA9545APW,112 functions optimally, enhancing I2C communication capabilities in diverse electronic applications.

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6. What is the process for return or replacement of PCA9545APW,112?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9545APW,112 we delivered, we will accept the replacement or return of the PCA9545APW,112 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9545APW,112.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations