FSUSB73UMX

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FSUSB73UMX

IC USB MUX/SWITCH 16UMLP

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Last Time Buy
Applications USB
Multiplexer/DemultiplexerCircuit 3:1
NumberofChannels 1
On-StateResistance(Max) 9Ohm
Voltage-SupplySingle(V+) 2.5V ~ 4.4V
Features Break-Before-Make, USB 2.0
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-UFQFN

概述

Description

FSUSB73UMX is a Freescale/NXP USB 3.0 interface device (PHY/transceiver) used to add USB connectivity to embedded systems. It provides the USB 3.0 SuperSpeed physical layer with backward compatibility to USB 2.0/Hi‑Speed, enabling high‑speed data transfer. The device supports USB OTG in device/host modes, so it can act as a host, device, or dual‑role peripheral depending on configuration. The UMX suffix denotes a specific package variant suitable for compact boards. In practice, FSUSB73UMX is used with a USB controller core or MCU to implement the USB protocol stack, handling signaling, power management, and wake features at the physical layer while the host/controller handles the USB protocol. Refer to the datasheet for exact electrical specs, pinout, and mode/configuration details.

Features

FSUSB73UMX is a 3-port USB 2.0 High-Speed hub controller in a compact UMX package. Key features:
- 1 upstream port and 3 downstream ports
- USB 2.0 High-Speed (up to 480 Mbps) with USB 2.0/1.1 compatibility
- Supports both bus-powered and self-powered configurations
- Per-port power switching with per-port overcurrent protection and status reporting
- USB-IF compliant; supports attach/detach, suspend/resume, and remote wake
- Integrated hub/controller (no external controller required)
- Low power operation with automatic port power management
- ESD protection on USB lines; 5V-tolerant I/O
- Small footprint UMX package suitable for compact embedded designs
- Typical operating voltage around 4.75–5.25 V; wide ambient operating temperature per variant
Note: exact current limits, timing, and optional features can vary by revision; consult the datasheet for specifics.

Package

QFN package: FSUSB73UMX is in a 4x4 mm QFN, typically 16 pins (QFN-16).

Pinout

- Pin count: 8 pins (UMX package)
- Function: USB 2.0 high‑speed data-line switch/multiplexer that routes the D+/D− signals between two USB ports to a single controller (selectable via an enable/SEL input). Used in USB hub/switch applications.

Manufacturer

- Manufacturer: Fairchild Semiconductor (now part of ON Semiconductor).
- Company type: A semiconductor company that designs and manufactures integrated circuits and other electronic components (analog/digital ICs).

Application

FSUSB73UMX is a USB hub/port-switch solution used in:
- Embedded systems and consumer electronics (docked devices, USB hubs, USB-C adapters)
- External peripherals (printers, scanners, mass storage, keyboards/mice)
- Industrial automation and instrumentation
- Automotive and medical devices requiring USB connectivity
- Networking/telecom equipment and lab/test benches for USB expansion

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