MIC2341R-2YTQ-TR Equivalent & Substitute Parts

Part Overview

The MIC2341R-2YTQ-TR is a Hot Plug Controller for PCI Express applications, manufactured by Microchip Technology. This 6-channel power management IC integrates both high-side and low-side internal switches with programmable circuit protection features including current limiting, fault timeout, and slew rate control. The part is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Category	Power Management (PMIC)
Type	Hot Plug Controller
Number of Channels	6
Internal Switch(s)	Both (High-side and Low-side)
Applications	PCI Express®
Features	Auto Retry, Thermal Limit, UVLO
Programmable Features	Circuit Breaker, Current Limit, Fault Timeout, Slew Rate
Voltage - Supply	3V ~ 3.6V, 11V ~ 13V
Operating Temperature	0°C ~ 70°C
Package / Case	48-TQFP (7x7)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the MIC2341R-2YTQ-TR is determined by the following critical parameters:

Manufacturer: Microchip Technology (same manufacturer ensures design continuity)
Type & Function: Hot Plug Controller with 6 channels
Internal Switch Configuration: Both high-side and low-side switches
Package: 48-TQFP (7x7) surface mount
Electrical Specifications: Voltage supply ranges (3V ~ 3.6V, 11V ~ 13V), operating temperature (0°C ~ 70°C)
Feature Set: Auto Retry, Thermal Limit, UVLO, and programmable circuit protection
Compliance: ROHS3 Compliant, MSL 3 rating

The identified substitute parts maintain identical electrical and mechanical specifications across all critical parameters, ensuring functional interchangeability in PCI Express hot plug applications.

Parameter Comparison

Parameter	MIC2341R-2YTQ-TR (Main)	MIC2341R-2YTQ	MIC2342R-2YTQ-TR
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology
Type	Hot Plug Controller	Hot Plug Controller	Hot Plug Controller
Number of Channels	6	6	6
Internal Switch(s)	Both	Both	Both
Applications	PCI Express®	PCI Express®	PCI Express®
Features	Auto Retry, Thermal Limit, UVLO	Auto Retry, Thermal Limit, UVLO	Auto Retry, Thermal Limit, UVLO
Programmable Features	Circuit Breaker, Current Limit, Fault Timeout, Slew Rate	Circuit Breaker, Current Limit, Fault Timeout, Slew Rate	Circuit Breaker, Current Limit, Fault Timeout, Slew Rate
Voltage - Supply	3V ~ 3.6V, 11V ~ 13V	3V ~ 3.6V, 11V ~ 13V	3V ~ 3.6V, 11V ~ 13V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Package / Case	48-TQFP (7x7)	48-TQFP (7x7)	48-TQFP (7x7)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Active
Packaging Type	Bulk	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

MIC2341R-2YTQ is the primary substitute for MIC2341R-2YTQ-TR. Both parts share identical electrical and mechanical specifications with the same base product number (MIC2341). The key distinction is product status: MIC2341R-2YTQ is Active, providing long-term availability and supply chain stability compared to the Obsolete MIC2341R-2YTQ-TR. Packaging differs only in format (bulk vs. tape & reel), with no impact on functional performance.

MIC2342R-2YTQ-TR is an alternative substitute based on Microchip Technology's MIC2342 platform. This part maintains all critical electrical and mechanical parameters including 6-channel configuration, dual internal switches, PCI Express application support, and identical voltage/temperature specifications. The MIC2342R-2YTQ-TR is supplied in Tape & Reel packaging and carries Active product status. Selection between MIC2341R-2YTQ and MIC2342R-2YTQ-TR should be based on packaging requirements and supply availability, as both provide equivalent functional performance.

Frequently Asked Questions (FAQ)

Q: Can MIC2341R-2YTQ directly replace MIC2341R-2YTQ-TR in existing designs?

A: Yes. Both parts are functionally identical with matching electrical specifications, channel count, internal switch configuration, and package geometry (48-TQFP 7x7). The primary difference is product status (Active vs. Obsolete) and packaging format (bulk vs. tape & reel). PCB layout and firmware remain unchanged.

Q: What is the difference between MIC2341R-2YTQ and MIC2342R-2YTQ-TR?

A: Both parts are 6-channel Hot Plug Controllers for PCI Express with identical electrical and mechanical specifications. The distinction lies in the base product number (MIC2341 vs. MIC2342). Both are manufactured by Microchip Technology and maintain the same feature set, voltage ranges, and operating temperature. Selection depends on packaging preference and supply chain availability.

Q: Are there packaging considerations when substituting these parts?

A: Yes. MIC2341R-2YTQ-TR and MIC2342R-2YTQ-TR are supplied in Tape & Reel format, while MIC2341R-2YTQ is supplied in bulk packaging. Tape & Reel packaging is standard for automated assembly processes. Bulk packaging may require manual handling. Verify your assembly process requirements before selection.

Q: Do these substitute parts maintain the same compliance certifications?

A: Yes. All three parts are ROHS3 Compliant with MSL 3 (168 Hours) moisture sensitivity rating. Compliance certifications remain consistent across MIC2341R-2YTQ-TR, MIC2341R-2YTQ, and MIC2342R-2YTQ-TR, ensuring regulatory requirements are maintained in system designs.

Q: Why is MIC2341R-2YTQ-TR marked as Obsolete?

A: Product status reflects Microchip Technology's lifecycle management. Active alternatives (MIC2341R-2YTQ and MIC2342R-2YTQ-TR) provide equivalent functionality with assured long-term availability. For new designs or ongoing production, Active parts are recommended to ensure supply continuity.

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