Part Number: USB2512B-AEZG

Manufacturer: Microchip Technology / Atmel

Description: USB Interface IC USB 2.0 High-Speed 2 Port Hub CTRL

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of USB2512B-AEZG

Datasheet  USB2512B-AEZG datasheet
Category Integrated Circuits (ICs)
Family Interface – Controllers
Manufacturer Microchip Technology
Packaging Tray
Part Status Active
Protocol USB
Function Hub Controller
Interface USB
Standards USB 2.0
Voltage – Supply 3 V ~ 3.6 V
Current – Supply 60mA
Operating Temperature 0°C ~ 85°C
Package / Case 36-VFQFN Exposed Pad
Supplier Device Package 36-QFN (6×6)

For embedded USB solutions, the USB2512B-AEZG is a 2-port USB 2.0 high-speed low-power Hub Controller IC. Intel explicitly designs it. Applications with extremely low power consumption and a tiny footprint but do not want to sacrifice performance can benefit from the USB251xB family of solutions. It can accomplish this by utilizing Microchip’s ground-breaking MultiTRAKTM technology, an innovation that enables the best data throughput in the industry when operating in mixed-speed USB applications. This is a ground-breaking invention. The USB251xB family is an expansion solution for USB ports that can be used with devices that use the USB standard.

There are over 30 programmable features that are designed to assist system designers in simplifying PCB layout and optimizing bill-of-material cost. These features can be accessed through the system’s graphical user interface (GUI). Some examples of these features include PortSwap, PortMap, and PHYBoost, all of which are made by Microchip. These capabilities can be accessed using a graphical user interface (GUI). Each downstream port of the USB251xB hubs can be set up to support the USB battery charging 1.1 specifications and function as a charging downstream port if the appropriate option is selected (CDP). A mobile phone or other compatible portable electronic device can use a standard USB port to use a CDP’s universal battery charging capability.

All members of the USB251xB family are offered a compact size ideal for consumer and mobile applications. The standard 36-pin package that all 2/3/4 port hub controllers use has a footprint of only 6×6 millimeters, making it ideal for limited space designs while allowing for scalable port extension from two to four ports.

The USB251xB has a wide operating temperature range from 0 degrees to 85 degrees Celsius. The standards for -40 degrees to 85 degrees Celsius imposed on industrial environments are met by the USB251xBi. It is essential to note that new designs will focus on the “M2” product variants. The M2 goods are created using the most recent iteration of the production flow, which results in increased capacity and efficiency. No product versions of the USB251xB are getting close to reaching their end of life, and all versions have maintained their position as entirely produced release candidates.

USB2512B-AEZG Features

  • The “x” in the part number denotes that it has a high-performance, ultra-low-power, compact footprint hub controller IC with 2, 3, or 4 downstream ports.
  • It complies fully with USB 2.0 specifications.
  • It includes Available through either a single serial I2C® EEPROM or an SMBus slave connection, enhanced OEM configuration options
  • One transaction translator is provided for each port by MultiTRAK, high-performance multiple transaction translators.
  • A Port map, a flexible port mapping feature and disabled sequencing are included.
  • PortSwap’s programmable USB differential-pair pin placements make PCB design easier by connecting USB signal lines directly to connectors.
  • It has PHYBoost, which is programmable USB signal drive strength with a 4-level driving strength resolution for restoring signal integrity.
  • Utilizing the same PCB components and applying USB-IF might save costs. Compliance via Similitude
  • Complete power management is a feature; each downstream port’s power can be controlled individually or in gangs.
  • It has pull-up/pulldown resistors and a fully integrated USB termination.
  • Thanks to inbuilt regulators, it supports a single external 3.3 V power source and has an internal core voltage of 1.2 V.
  • External 24/48 MHz clock input, ceramic resonator, or onboard 24 MHz crystal driver
  • Vendor ID, product ID, and device ID customization
  • HBM JESD22-A114F ESD protection with 4 kilovolts (powered and unpowered)
  • It satisfies the requirements of the USB Battery Charging Specification Rev. 1.1 for Charging Downstream Ports and allows for an operation that is either self-powered or bus-powered (CDP)
  • QFN 36 pins (6×6 mm) package complies with RoHS
  • The industrial temperature range of -40°C to +85°C is supported by USB251xBi devices.
  • USB251xB devices support the enhanced commercial temperature range of 0°C to +85°C.

USB2512B-AEZG Applications

  • Used in Mobile PC Docking Stations
  • Used in LCD Monitors/TVs
  • Used in PC Motherboards
  • Utilized in Gaming Consoles
  • Used in Multi-Function Printers
  • Used in Cable/DSL Modems
  • Used in Set-Top Boxes
  • Used in HDD Enclosures
  • Used in Keyboards
  • Used in KVM Switches
  • Used in Server Front Panels
  • Used Point-of-Sale (POS) Systems
  • Used IP Telephony
  • Used in Automobile/Home Audio Systems


EU RoHS Compliant
Part Status Active
HTS 8542.31.00.01
Automotive No
Type Hub Controller
USB Transceiver Yes
USB Speed Type High Speed|Full Speed|Low Speed
Maximum Operating Frequency (MHz) 24
Protocols Supported USB 2.0
Interface Type Serial
Maximum Operating Supply Voltage (V) 3.6
Typical Supply Current (mA) 40
Minimum Operating Temperature (°C) 0
Maximum Operating Temperature (°C) 85
Supplier Temperature Grade Extended Commercial
Packaging Tape and Reel
Mounting Surface Mount
Package Height 0.95(Max)
Package Width 6
Package Length 6
PCB changed 36
Standard Package Name QFN
Supplier Package VQFN EP
Pin Count 36
Lead Shape No Lead

Frequently Asked Questions

What is a USB 2.0 port?

Hi-speed USB, or USB 2.0, is another name for this version of the standard. It was first utilized in the year 2000. It is an updated version of the USB 1.1 standard, which offers enhanced features and increased transfer rates. It can deliver 480 megabits per second, which is the maximum transfer speed it is capable of. On the other hand, the actual speed is somewhere about 280 Mbps.

Are all USB 2.0 ports the same?

There are a lot of different standard connections that can be used for USB devices, but in general, they all perform the same purpose. The only real difference between them is how they look physically.


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