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USB2.0 Hi-Speed Hub with Power Delivery

USX4915P

Status: In Production

Features:

  • • 1 Upstream port for USB Host connection
  • • 4 downstream ports; two Type C Power Delivery ports and two Type A ports
  • • Architected for USB Power Delivery(PD) 3.0 support with a 32 bit, embedded microcontroller in the hub executing PD stack and system policy manager. SPI Flash provides flexibility for specification revisions and evolving system needs.
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Device Overview

Summary

The Microchip USX4915P  is a USB2.0 Hi-Speed Hub with unique Smart Hub features targeted to automotive consumer ports and head unit applications. The USX4915P is compliant with the USB 2.0 Specification and has passed AEC-Q100, Grade 2 testing.  This highly integrated chip optimizes board area and reduces overall system costs, with the incorporation of  leadership functionality, including;   battery charging support for industry profiles, power delivery support (USB PD 3.0), security, LED lighting, and an embedded 32 bit micro-controller for the implementation of  USB IO bridging and USB Power Delivery.  The multiple downstream USB ports support USB2.0 Low Speed/Full Speed/Hi-Speed with a single USB2.0 Hi-Speed upstream port for host connection.

Contact your Microchip local sales support for information on support documents, demonstration application boards, configuration software, datasheet and application notes. 

Additional Features
  • • 1 Upstream port for USB Host connection
  • • 4 downstream ports; two Type C Power Delivery ports and two Type A ports
  • • Architected for USB Power Delivery(PD) 3.0 support with a 32 bit, embedded microcontroller in the hub executing PD stack and system policy manager. SPI Flash provides flexibility for specification revisions and evolving system needs.
  • • 32 bit, embedded microcontroller executes PD stack, thermal response, and power balancing between ports
  • • Integrated USB Host for in-field firmware upgrades from down-facing port
  • • USB Battery Charging, revision 1.2, Apple, and China profiles
  • • USB to I2C/I2S, SPI, UART, and GPIO
  • • Security features: Secure BootRom, firmware hash/challenge, and authentication
  • • Enhanced OEM configuration options available through OTP configuration or SMBus Slave Port
  • • I2S for audio support; Asynchronous In, Adaptive Out, 48KHz, two channel (16 bits/channel)
  • • Flexible I2S capabilities via firmware update
  • • MultiTRAK Dedicated transaction translator per port
  • • PortMap Configurable port mapping and disable sequencing
  • • PortSwap Configurable differential intra-pair signal swapping
  • • PHYBoost Configurable USB transceiver drive strength for signal integrity
  • • VariSense programmable USB receiver sensitivity
  • • USB Link Power Management (LPM) support
  • • Vendor Specific Messaging (VSM) support
  • • 5V single supply with integrated 5V to 3.3V regulator
  • • 72 pin (10x10mm) VQFN
  • • Target Applications: Media hubs, Infotainment Head Units, After-Market GPS
  • • AEC-Q100, Grade 2 (-40 to +105C)
Parametrics
Name
Value
Description
Automotive Hi-Speed, 4 Port Hub
Upstream Port
USB 2.0
USB Speed
Hi-Speed
Downstream Ports
4
SmartHub
Yes
MGMT I/F
I2C, USB
ROM I/F
SPI, I2C for OTP
Op Voltage (V)
5
MultiTRAK Tech
Yes
Per-Port Switching
Yes
Port Map
Yes
Port Swap
Yes
PHY Boost
Yes
Charging Emulation
BC1.2, Apple, China
USB PD Specification
3
Standalone Operation
Yes
Integrated Port Protection
Yes
Temp. Range Min.
-40
Temp. Range Max.
105

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