MIC2174-1YMM Equivalent & Substitute Parts

Part Overview

The MIC2174-1YMM is a buck regulator positive output step-down DC-DC controller IC manufactured by Microchip Technology. This device operates as a transistor driver for step-down topology applications with a single output phase. The part is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and procurement planning. The MIC2174-1YMM belongs to the Hyper Speed Control® series and is designed for applications requiring efficient DC-DC conversion in the 3V to 40V supply voltage range.

Substiute Parts

MIC2174-1YMM

Microchip TechnologyIn Stock: 2208MIC2174-1YMM Datasheet

Current PartRFQ

MIC2176-3YMM

Microchip TechnologyIn Stock: 2230MIC2176-3YMM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC2174-1YMM is based on strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Manufacturer: Microchip Technology
• Category: Power Management (PMIC)
• Function: Step-Down DC-DC Controller
• Output Type: Transistor Driver
• Topology: Buck
• Number of Outputs: 1
• Output Phases: 1
• Switching Frequency: 300kHz
• Synchronous Rectifier: Yes
• Control Features: Enable
• Operating Temperature Range: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Parameter Variations:

• Voltage - Supply (Vcc/Vdd): May exceed the original 3V ~ 40V range
• Duty Cycle (Max): May exceed the original 87%
• Product Status: Active status preferred over obsolete

The MIC2176-3YMM meets all mandatory matching criteria while providing extended supply voltage range (4.5V ~ 75V) and improved duty cycle performance (89%), with active product status ensuring long-term availability.

Parameter Comparison

Engineering Selection Recommendations

The MIC2176-3YMM is the qualified substitute for the obsolete MIC2174-1YMM. Both devices share identical functional architecture, package form factor, and thermal operating range. The MIC2176-3YMM provides extended supply voltage capability (4.5V ~ 75V versus 3V ~ 40V) and marginally improved maximum duty cycle (89% versus 87%), representing performance enhancements rather than functional deviations.

The MIC2176-3YMM maintains ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with current manufacturing and environmental standards. Active product status of the MIC2176-3YMM ensures sustained availability and ongoing manufacturer support, eliminating procurement risk associated with the obsolete MIC2174-1YMM.

Frequently Asked Questions (FAQ)

Q: Can the MIC2176-3YMM directly replace the MIC2174-1YMM in existing designs?

A: Yes. Both devices share identical package geometry (10-MSOP), pinout configuration, and functional topology. The MIC2176-3YMM operates within the original supply voltage range and maintains all control features and thermal specifications.

Q: What are the key differences between these parts?

A: The MIC2176-3YMM extends the maximum supply voltage range to 75V (versus 40V) and increases maximum duty cycle to 89% (versus 87%). These represent performance improvements with no functional incompatibilities.

Q: Is the MIC2176-3YMM available in the same packaging?

A: Yes. Both parts use 10-MSOP packaging with identical 0.118" (3.00mm) width. Surface mount mounting type and pin configuration are identical.

Q: What is the significance of the product status change from Obsolete to Active?

A: Active status indicates the MIC2176-3YMM is in current production with sustained manufacturer support, ensuring long-term availability and continued technical documentation updates.

Q: Are there compliance or certification differences?

A: Both parts maintain ROHS3 compliance and MSL Level 1 rating. The MIC2176-3YMM additionally carries REACH Unaffected status, confirming regulatory alignment with current environmental standards.