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USB3503-I/ML

Name: USB3503-I/ML
Rating: 4.7 (12 reviews)

IC HUB CTLR USB 2.0 HSIC 32QFN

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資料表 USB3503-I/ML DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Protocol	USB
Function	Hub Controller
Interface	USB
Standards	USB 2.0
Operating Temperature	-40°C ~ 85°C
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-SQFN (5x5)
Base Product Number	USB3503

概述

Description

The USB3503-I/ML is a USB hub controller designed for high-speed connectivity in various applications, such as consumer electronics, computers, and embedded systems. This device supports USB 2.0 specifications, providing up to three downstream ports while allowing for seamless communication with USB devices. It features a low-power architecture, making it energy-efficient and ideal for battery-operated devices.
The USB3503-I/ML incorporates advanced power management capabilities, including support for selective suspend, which helps to minimize power consumption during idle states. It also includes features like over-current protection and integrated pull-up resistors for enhanced reliability.
This controller is offered in a compact package, facilitating easy integration into space-constrained designs. The USB3503-I/ML is suitable for applications requiring multiple USB connections, ensuring robust performance and versatility in device communication.

Features

The USB3503-I/ML is a USB hub controller designed for high-speed connectivity and efficient power management. Key features include:
1. Ports: Supports three downstream USB 2.0 ports, allowing multiple devices to connect.
2. Bus Power: Capable of operating with bus-powered devices and provides power management for connected peripherals.
3. Data Rate: Supports data transfer rates of up to 480 Mbps.
4. Low Power Consumption: Optimized for low power usage, making it suitable for battery-operated devices.
5. Integrated Transceivers: Includes integrated USB transceivers for straightforward integration.
6. Versatile Interface: Compatible with a wide range of USB devices and formats.
7. Flexible Configuration: Offers multiple configuration options for ease of use in various applications.
8. Temperature Range: Operates within a wide industrial temperature range, ensuring reliability in diverse environments.
This makes the USB3503-I/ML ideal for applications in consumer electronics, industrial equipment, and automotive systems.

Package

The USB3503-I/ML is packaged in a 32-pin QFN (Quad Flat No-lead) package, which provides a compact footprint suitable for space-constrained applications while ensuring efficient thermal and electrical performance.

Pinout

The USB3503-I/ML is a USB hub controller with a total of 28 pins. It features functions that enable the expansion of USB ports, allowing a single USB host to connect multiple devices. The device supports USB 2.0 and provides three downstream ports. Key functions include:
1. Power Management: Supports individual port power control.
2. Data Transfer: Enables high-speed data transfer through USB 2.0 specifications.
3. Port Status Indicators: Provides indicators for port status and connection.
4. Single Supply Voltage: Operates with a 3.3V supply.
5. Integrated Transceivers: Reduces external component count.
The USB3503-I/ML is commonly used in applications where multiple USB connections are required, such as in computer peripherals, industrial equipment, and consumer electronics.

Manufacturer

The USB3503-I/ML is manufactured by Microchip Technology Inc., a publicly traded company specializing in microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip designs and manufactures a wide range of products used in various applications, including automotive, industrial, consumer electronics, and telecommunications. The company is known for its expertise in embedded control solutions, offering a diverse portfolio that includes microcontrollers, digital signal controllers, and mixed-signal and analog products. Microchip focuses on providing high-quality, reliable solutions that enable engineers to develop innovative designs efficiently.

Application

The USB3503-I/ML is a USB 2.0 hub controller used in various applications, including consumer electronics, industrial devices, and embedded systems. It facilitates the connectivity of multiple USB devices to a single host, making it suitable for computers, audio/video equipment, printers, and IoT devices. Its low power consumption and support for up to three downstream ports enhance versatility in compact designs.

Equivalent

The USB3503-I/ML chip is a USB hub controller. Equivalent products include the Texas Instruments TUSB8041, Microchip MCP2221, and STMicroelectronics STUSB1602. These alternatives also provide USB hub functionality but may differ in features like port count, power management, and data transfer rates. Always verify specific requirements for compatibility.