USB5826CT/KD Equivalent & Substitute Parts

Part Overview

The USB5826CT/KD is a USB Hub Controller manufactured by Microchip Technology, designed for USB 2.0 and USB 3.1 applications. This interface component operates as an active hub controller with integrated I2C, SMBus, SPI, and UART interfaces. The part is currently in active production status with 736 units in stock. Equivalent substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional parameters to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Specification
Manufacturer	Microchip Technology
Category	Interface
Function	Hub Controller
Protocol	USB
Standards	USB 2.0, USB 3.1
Interface Types	I2C, SMBus, SPI, UART
Package / Case	100-VFQFN Exposed Pad
Supplier Device Package	100-VQFN (12x12)
Voltage - Supply	1.08V ~ 1.32V, 3V ~ 3.6V
Operating Temperature	0°C ~ 70°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the USB5826CT/KD are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain identical supply voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V) and operating temperature specifications (0°C ~ 70°C).

Functional Equivalence: All substitutes implement the same USB Hub Controller function with USB 2.0 and USB 3.1 protocol support and identical interface options (I2C, SMBus, SPI, UART).

Mechanical Compatibility: All parts use the 100-VFQFN Exposed Pad package in 100-VQFN (12x12) form factor, ensuring PCB footprint compatibility.

Regulatory Compliance: All substitutes maintain ROHS3 compliance, REACH Unaffected status, and identical MSL rating of 3 (168 Hours).

Packaging Variants: Substitutes differ only in packaging format (Tape & Reel or Cut Tape variants), which does not affect electrical or functional performance.

The three qualified substitutes are USB5906CT/KD, USB5916CT/KD, and USB5926CT/KD, all manufactured by Microchip Technology.

Parameter Comparison

Parameter	USB5826CT/KD	USB5906CT/KD	USB5916CT/KD	USB5926CT/KD
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Function	Hub Controller	Hub Controller	Hub Controller	Hub Controller
Protocol	USB	USB	USB	USB
Standards	USB 2.0, USB 3.1	USB 2.0, USB 3.1	USB 2.0, USB 3.1	USB 2.0, USB 3.1
Interface Types	I2C, SMBus, SPI, UART	I2C, SMBus, SPI, UART	I2C, SMBus, SPI, UART	I2C, SMBus, SPI, UART
Package / Case	100-VFQFN Exposed Pad	100-VFQFN Exposed Pad	100-VFQFN Exposed Pad	100-VFQFN Exposed Pad
Supplier Device Package	100-VQFN (12x12)	100-VQFN (12x12)	100-VQFN (12x12)	100-VQFN (12x12)
Voltage - Supply	1.08V ~ 1.32V, 3V ~ 3.6V	1.08V ~ 1.32V, 3V ~ 3.6V	1.08V ~ 1.32V, 3V ~ 3.6V	1.08V ~ 1.32V, 3V ~ 3.6V
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT)	Tape & Reel (TR)
Inventory (Pcs)	736	5100	3151	5046

Engineering Selection Recommendations

All four parts—USB5826CT/KD, USB5906CT/KD, USB5916CT/KD, and USB5926CT/KD—are electrically and functionally equivalent for USB Hub Controller applications. Selection between these parts should be based on the following factors:

Packaging Requirements: The USB5826CT/KD and USB5926CT/KD are supplied in Tape & Reel format, suitable for high-volume automated assembly. The USB5906CT/KD offers Cut Tape with Digi-Reel® packaging, and the USB5916CT/KD is available in Cut Tape format, both suitable for lower-volume or mixed-component procurement.

Supply Availability: All parts maintain active production status. Inventory levels vary: USB5906CT/KD (5100 units), USB5926CT/KD (5046 units), USB5916CT/KD (3151 units), and USB5826CT/KD (736 units).

Regulatory Compliance: All parts meet ROHS3 compliance and REACH Unaffected requirements, suitable for applications requiring environmental compliance certification.

Moisture Handling: All parts carry MSL rating 3 (168 Hours), requiring identical storage and handling protocols.

Frequently Asked Questions (FAQ)

Q: Can USB5906CT/KD, USB5916CT/KD, and USB5926CT/KD be used interchangeably with USB5826CT/KD?

A: Yes. All four parts are electrically and functionally equivalent. They share identical electrical specifications, package footprint, interface protocols, and compliance certifications. The only difference is packaging format (Tape & Reel versus Cut Tape variants).

Q: Does packaging format affect circuit performance?

A: No. Packaging format (Tape & Reel or Cut Tape) is a supply and handling consideration only. It does not affect electrical performance, functionality, or PCB compatibility.

Q: Are there any voltage or temperature differences between these parts?

A: No. All four parts operate at identical supply voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V) and temperature specifications (0°C ~ 70°C).

Q: What is the significance of the MSL rating?

A: MSL 3 (168 Hours) indicates moisture sensitivity level. All four parts require identical storage conditions and handling protocols to prevent moisture absorption during storage and before soldering.

Q: Can I substitute based on inventory availability?

A: Yes. Since all parts are functionally equivalent, selection can be based on packaging preference and inventory availability without affecting circuit design or performance.

Q: Are all parts ROHS3 compliant?

A: Yes. All four parts—USB5826CT/KD, USB5906CT/KD, USB5916CT/KD, and USB5926CT/KD—are ROHS3 compliant and REACH Unaffected.

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