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AT43301-AU The AT43301-AU is a USB 1.1 hub controller from Microchip Technology with one upstream and four downstream ports. It operates from 4.4V to 5.25V and is housed in a 32-LQFP package.
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AT43301-AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT43301-AU is a USB 1.1 hub controller from Microchip Technology with one upstream and four downstream ports. It operates from 4.4V to 5.25V and is housed in a 32-LQFP package.
✓ Total Stock: 7 pcs

AT43301-AU Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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7 pcs
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AT43301-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Data Rate
Function
Interface
Lead Style
Mounting Type
Operating Temperature
Protocol
Supplier Device Package
Voltage
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AT43301-AU Description

Short technical summary and product information.

The AT43301-AU is a USB hub controller from Microchip Technology designed for low-cost bus-powered or self-powered hub applications. It is fully compliant with USB Specification Rev 1.1 and supports both full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfers.

 

The controller integrates one upstream port and four downstream ports, with port overcurrent monitoring and port power switching capabilities. It operates from a supply voltage of 4.4V to 5.25V with a typical supply current of 24 mA. The device includes an on-chip 3.3V regulator for 5V operation.

 

The AT43301-AU is available in a 32-lead LQFP package with a 7x7 mm body, suitable for surface mount assembly. It is rated for an operating temperature range of -40°C to 85°C, making it suitable for industrial environments.

AT43301-AU Quick Information

Product Type: USB Hub Controller
Canonical Name: AT43301-AU USB 1.1 Hub Controller
Subcategory: Interface Controllers

AT43301-AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT43301-AU Features

  • USB 1.1 compliant hub controller.
  • Four downstream and one upstream port.
  • Supports 12 Mbps and 1.5 Mbps data rates.
  • Operates from 4.4V to 5.25V supply.
  • Industrial temperature range -40°C to 85°C.

AT43301-AU Applications

  • Expanding USB ports in embedded systems.
  • Adding USB connectivity to industrial equipment.
  • USB hub for point-of-sale terminals.
  • USB port expansion in set-top boxes.

AT43301-AU FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT43301-AU?

The AT43301-AU operates from 4.4V to 5.25V.

What package is the AT43301-AU available in?

The AT43301-AU is available in a 32-LQFP (7x7 mm) package.

What is the operating temperature range of the AT43301-AU?

The AT43301-AU operates from -40°C to 85°C.

Is the AT43301-AU RoHS compliant?

The AT43301-AU is listed as RoHS3 Compliant, though this is unverified.

How many downstream ports does the AT43301-AU support?

The AT43301-AU supports four downstream ports.

What USB standard does the AT43301-AU support?

The AT43301-AU supports USB 1.1 with full-speed (12 Mbps) and low-speed (1.5 Mbps) data rates.

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