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PCA9511D

Part No PCA9511D
Manufacturer NXP / Nexperia
Description Hot swappable I2C and SMBus bus buffer
Sample
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ECAD Module
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Manufacturer NXP
Win Source Part Number 1235897-PCA9511D
Manufacturer Homepage www.nxp.com
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian PCA9511D CAD Model

Description

The NXP PCA9511D is a sophisticated integrated circuit designed to enhance the capabilities of I²C-bus and SMBus communication in a hot swappable environment. This device is particularly useful in applications where the I²C-bus needs to interface with card systems or modules that are inserted and removed during normal operation without having to power down the system.

Featuring a hot swappable interface, the PCA9511D ensures that when a module is inserted into a live backplane, the SDA and SCL lines are not corrupted, maintaining the integrity of the communication bus. It achieves this through a unique design that includes rise time accelerators and pre-charge circuits, which condition the communication lines for optimal signal integrity.

The PCA9511D operates over a wide supply voltage range from 2.3 V to 5.5 V, making it suitable for various applications. Its low standby current makes it ideal for power-sensitive applications. The device also supports bus capacitances up to 400 pF, allowing it to drive longer bus lines with more devices attached, thus enhancing the flexibility and scalability of the system.

Other notable features of the PCA9511D include an active HIGH enable input, which allows the user to control the connection to the bus, and an open-drain READY output, which indicates that the pre-charge has completed and the card is ready to communicate with the bus. Additionally, the PCA9511D provides an under-voltage lockout feature, ensuring that the device only operates at appropriate voltage levels to prevent damage or data corruption.

The PCA9511D comes in a small 8-pin TSSOP package, making it easy to integrate into space-constrained designs. Its robustness, combined with NXP's commitment to quality, ensures that this buffer is a reliable choice for designers looking to improve their hot swappable I²C-bus and SMBus systems.

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Pricing & Ordering

Quantity Unit Price Ext. Price
80+ $0.7357 $58.8560
195+ $0.6041 $117.7995
300+ $0.5856 $175.6800
410+ $0.5660 $232.0600
530+ $0.5475 $290.1750
710+ $0.4909 $348.5390
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Availability: 1,790 pieces
MOQ: 80 pcs
Order Increment : 1 pcs
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