USB2244-AEZG-05 Equivalent & Substitute Parts

Part Overview

The USB2244-AEZG-05 is a USB 2.0 Media Controller IC manufactured by Microchip Technology, designed for memory card and USB interface applications. This component integrates USB 2.0 protocol support with I2C interface capability in a 36-QFN (6x6) package format.

The USB2244-AEZG-05 is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs, repairs, and system upgrades where this controller is specified.

Substiute Parts

USB2244-AEZG-05

Microchip TechnologyIn Stock: 9689USB2244-AEZG-05 Datasheet

Current PartRFQ

USB2244-AEZG-06

Microchip TechnologyIn Stock: 1309USB2244-AEZG-06 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the USB2244-AEZG-05 is determined by strict alignment across the following critical parameters:

• Manufacturer and base product number (USB2244 series)
• Protocol support (USB and Memory Card)
• Function classification (Controller)
• Interface type (I2C)
• Standards compliance (USB 2.0)
• Electrical specifications (3V ~ 3.6V supply, 135mA current)
• Operating temperature range (0°C ~ 70°C)
• Physical package format (36-VFQFN Exposed Pad / 36-QFN 6x6)
• Regulatory compliance (RoHS3, REACH Unaffected)

The USB2244-AEZG-06 meets all substitution criteria as a direct equivalent within the USB2244 controller family.

Parameter Comparison

Engineering Selection Recommendations

The USB2244-AEZG-06 is the direct substitute for the USB2244-AEZG-05. Both components share identical electrical, functional, and physical specifications. The primary distinction is product status: the USB2244-AEZG-05 is obsolete, while the USB2244-AEZG-06 maintains active production status.

Selection of the USB2244-AEZG-06 ensures continued access to this controller architecture and compliance with current RoHS3 and REACH regulatory requirements. Both variants maintain equivalent performance characteristics across all specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can the USB2244-AEZG-06 directly replace the USB2244-AEZG-05 in existing designs?

A: Yes. Both components are electrically and functionally identical. They share the same supply voltage range (3V ~ 3.6V), current consumption (135mA), operating temperature range (0°C ~ 70°C), and physical package format (36-QFN 6x6). No circuit modifications are required.

Q: What is the difference between the USB2244-AEZG-05 and USB2244-AEZG-06?

A: The components are functionally equivalent. The USB2244-AEZG-05 is classified as obsolete, while the USB2244-AEZG-06 is in active production. The packaging format differs: USB2244-AEZG-05 is supplied in bulk, while USB2244-AEZG-06 is supplied in trays.

Q: Are there any compatibility concerns with the 36-QFN (6x6) package?

A: No. Both parts use the identical 36-VFQFN Exposed Pad package. PCB footprints, solder reflow profiles, and assembly processes remain unchanged.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the USB2244-AEZG-05 and USB2244-AEZG-06 are ROHS3 compliant and REACH unaffected, meeting current environmental and safety regulations.

Q: What protocols does this controller support?

A: The USB2244 controller supports USB and Memory Card protocols with USB 2.0 standards compliance and I2C interface capability.