USB3503A-1-GL-TR

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USB3503A-1-GL-TR

IC CONTROLLER USB 25WLCSP

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規格

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Protocol USB
Function Hub Controller
Interface USB
Standards USB 2.0
OperatingTemperature 0°C ~ 70°C
Package/Case 25-UFBGA, WLCSP

概述

Description

The USB3503A-GL-TR is a USB hub controller IC that lets a device behave as a USB hub (one upstream host port and multiple downstream ports). It handles hub management, USB signaling, enumeration, and per-port protection/power switching, enabling you to add extra USB ports without a separate host controller. The -TR suffix typically denotes Tape-and-Reel packaging, while -GL indicates a RoHS-compliant lead-free variant. This part is commonly used in embedded systems, docking stations, and consumer peripherals to provide additional USB ports. It generally supports USB 2.0 high-speed operation on the upstream and downstream ports and is configured via a vendor interface/controls to manage ports and status signals. For exact port count, power requirements, control interface, electrical specs, and pinout, consult the official datasheet and packaging documentation from the manufacturer or distributor.

Features

Here are typical features for the USB3503A-1-GL-TR (Genesys Logic USB 3.0 hub controller, GL family, TR packaging):
- Upstream: USB 3.0 SuperSpeed port (5 Gbps) to host
- Downstream: 4 USB 3.0 SuperSpeed downstream ports
- Backward compatibility: USB 2.0/1.1 support on all ports
- Integrated hub with per-port power switches and overcurrent protection
- Power options: bus-powered or self-powered (external 5V supply) configurations
- Management interface: I2C/SMBus style register access for configuration and status
- Power management: supports USB LPM (U1/U2) and other low-power states
- Hot-plug capable with remote wakeup and device connect/disconnect signaling
- USB-IF compliant with standard hub functionality and plug-and-play operation
- Suitable for embedded systems and consumer devices requiring four downstream USB 3.0 ports
- Packaging: GL-TR indicates Tape & Reel shipment
Note: exact per-port current limits, voltage tolerances, and temperature range are defined in the official datasheet for your specific lot/revision.

Package

GL = Genesys Logic variant; -TR = Tape & Reel packaging. The USB3503A-1-GL-TR is offered in a QFN-style package. For the exact pin count and footprint, refer to the USB3503A datasheet.

Pinout

Pin count: 56 pins (QFN-56, GL package; TR = tape & reel).
Function: USB 3.0 hub controller (Genesys Logic USB3503A) with one upstream port and three downstream ports, including integrated PHY and hub-management functions for implementing a USB hub.

Manufacturer

Manufacturer: Standard Microsystems Corporation (SMSC). It’s a semiconductor company that designs and markets integrated circuit solutions, especially USB controllers/hubs and related ICs. SMSC is now part of Microchip Technology.

Application

Typical applications of USB3503A-1-GL-TR:
- USB 3.0 hub/controller to add high-speed USB ports
- Docking stations and USB expansion devices
- Embedded systems and single-board computers
- Consumer electronics (media players, set-top boxes, game consoles)
- Industrial equipment requiring high-speed USB 3.0 connectivity

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