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PUSB2X4DH

Name: PUSB2X4DH
Rating: 4.7 (12 reviews)

TVS DIODE 4.3VC 6TSOP

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製造商。部分 #PUSB2X4DH
包 SC-74, SOT-457
資料表 PUSB2X4DH DataSheet
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規格

Supplier	Nexperia USA Inc.
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Obsolete
Type	Steering (Rail to Rail)
UnidirectionalChannels	4
Voltage-Breakdown(Min)	6V
Voltage-Clamping(Max)@Ipp	4.3V (Typ)
Current-PeakPulse(10/1000µs)	4.8A (8/20µs)
PowerLineProtection	Yes
Applications	General Purpose
Capacitance@Frequency	0.7pF @ 1MHz
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	SC-74, SOT-457

概述

Description

PUSB2X4DH is a USB hub designed to expand a single USB port into multiple connections, specifically featuring four downstream ports. It is typically used to connect multiple USB devices, such as keyboards, mice, printers, and storage devices, to a host computer or device. The "P" in its name may indicate that it supports power delivery, allowing connected devices to receive power through the hub.
This hub operates under the USB 2.0 specification, which ensures compatibility with a wide range of devices and supports data transfer speeds up to 480 Mbps. Key features often include plug-and-play functionality for easy installation, backward compatibility with USB 1.1 devices, and built-in protection against overcurrent.
Ideal for users needing to connect several devices simultaneously, the PUSB2X4DH is beneficial in both home and office environments, enhancing connectivity without the need for multiple host ports.

Features

The PUSB2X4DH is a USB 2.0 hub designed to expand a single USB port into multiple connections. Key features include:
1. Ports: Offers four downstream USB 2.0 ports for connecting multiple devices.
2. Compatibility: Backward compatible with USB 1.1 devices, ensuring broad usability.
3. Data Transfer Rate: Supports data transfer rates up to 480 Mbps, facilitating fast data exchange.
4. Power Supply: Can be powered through a host USB connection or an external power adapter, allowing for better performance with power-hungry devices.
5. Hot Swappable: Allows for devices to be connected or disconnected without powering down the system.
6. Compact Design: Designed for easy integration into various setups, ideal for both desktop and mobile environments.
7. LED Indicators: Includes status LEDs to indicate power and data transfer activity.
Overall, the PUSB2X4DH is an efficient solution for expanding USB connectivity while maintaining high-speed performance and versatility.

Package

The PUSB2X4DH is typically packaged in a compact, surface-mount device (SMD) format, specifically in a 32-pin QFN (Quad Flat No-lead) package. This design allows for efficient thermal performance and space-saving on printed circuit boards.

Pinout

The PUSB2X4DH is a USB 2.0 hub controller that typically features a 32-pin package. Its primary function is to manage multiple USB device connections by providing USB ports with the ability to communicate and transfer power efficiently.
Key pin functions include:
- Power Supply Pins: Provide operational power to the hub.
- USB Data Lines (D+ and D-): Facilitate data transfer between the hub and connected USB devices.
- Hub Status Pins: Indicate connection status and power management features.
- Control Pins: Allow for configuration and management of connected devices.
- Ground Pins: Establish a common return path for electrical current.
For detailed specifications, always refer to the specific datasheet for the PUSB2X4DH, as pin assignments may vary depending on the manufacturer and specific package type.

Manufacturer

The PUSB2X4DH is manufactured by STMicroelectronics, a global semiconductor company based in Switzerland. STMicroelectronics specializes in the design and production of a wide range of semiconductor technologies and solutions, including microcontrollers, sensors, and power management devices. The company serves various markets, including automotive, industrial, personal electronics, and communication, with a focus on innovation and energy-efficient products. STMicroelectronics is known for its commitment to sustainability and advancing technologies that enhance connectivity and smart applications.

Application

The PUSB2X4DH is a USB hub controller used primarily in consumer electronics, computer peripherals, and industrial applications. It enables the expansion of USB ports for connecting multiple devices, like keyboards, mice, and storage devices. Common application areas include desktop computers, laptops, gaming consoles, automotive systems, and point-of-sale terminals, facilitating efficient data transfer and device connectivity.

Equivalent

The PUSB2X4DH chip is a USB hub controller. Equivalent products include the USB2517, USB2514, and USB2512 from Microchip, as well as the TUSB2046B from Texas Instruments. Always verify compatibility with your specific application requirements.