MIC59150YME Equivalent & Substitute Parts

Part Overview

The MIC59150YME is a linear voltage regulator IC from Microchip Technology designed for positive adjustable output applications. This Surface Mount device delivers 1.5A output current with adjustable voltage regulation from 0.5V to 4.6V. The part is classified as Obsolete, making identification of active equivalent alternatives essential for new designs and ongoing production support.

Substiute Parts

MIC59150YME

Microchip TechnologyIn Stock: 19444MIC59150YME Datasheet

Current PartRFQ

MIC49150YMM

Microchip TechnologyIn Stock: 4550MIC49150YMM Datasheet

MFR RecommendedRFQ

MIC49150YMM-TR

Microchip TechnologyIn Stock: 3814MIC49150YMM-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC59150YME is based on the following core electrical and mechanical criteria:

Electrical Compatibility Requirements:

• Output Configuration: Positive (matching)
• Output Type: Adjustable (matching)
• Current - Output: 1.5A (matching)
• Control Features: Enable function (matching)
• Protection Features: Over Current and Over Temperature (matching)
• Operating Temperature Range: -40°C ~ 125°C (matching)

Mechanical Compatibility Requirements:

• Mounting Type: Surface Mount (matching)
• Pin Count and Functionality: 8-pin configuration (matching)

Regulatory Compliance:

• RoHS3 Compliant (matching)
• REACH Unaffected (matching)

The substitute parts MIC49150YMM and MIC49150YMM-TR share the same base product number (MIC49150) and maintain functional equivalence in output configuration, adjustable regulation capability, current rating, and protection features. Both substitutes are Active products, addressing the obsolescence status of the original part. The primary differences lie in packaging format and maximum input voltage specification, which do not affect core substitution eligibility when application requirements are within the specified parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MIC59150YME is classified as Obsolete. Both MIC49150YMM and MIC49150YMM-TR are Active products from the same manufacturer, providing long-term availability and supply chain continuity for new designs and production requirements.

Compliance and Certification: All three parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for electronics manufacturing and distribution.

Packaging and Moisture Sensitivity: The substitute parts feature improved moisture sensitivity levels (MSL 1 vs. MSL 2), indicating superior shelf-life characteristics. Package format differs between the original 8-SOIC and the substitute 8-MSOP configuration; PCB layout and footprint modifications are required for implementation.

Electrical Performance: The substitute parts support expanded input voltage range (6.5V vs. 3.8V) and output voltage range (0.9V to 5V vs. 0.5V to 4.6V), providing greater design flexibility. The increased dropout voltage (0.5V vs. 0.25V) must be evaluated against specific application requirements.

Frequently Asked Questions (FAQ)

Q: Can MIC49150YMM or MIC49150YMM-TR be used as direct replacements for MIC59150YME?

A: Both MIC49150YMM and MIC49150YMM-TR are functionally equivalent in core regulation characteristics: positive adjustable output, 1.5A current capacity, Enable control, and Over Current/Over Temperature protection. However, direct PCB replacement is not possible due to package format differences (8-SOIC vs. 8-MSOP). Footprint redesign is required.

Q: What are the key differences between MIC49150YMM and MIC49150YMM-TR?

A: Both parts are electrically identical. The difference is packaging format: MIC49150YMM is supplied in Tube packaging, while MIC49150YMM-TR is supplied in Cut Tape (CT) & Digi-Reel® format. Selection depends on procurement and assembly requirements.

Q: Are there any voltage specification limitations when substituting?

A: The substitute parts support higher maximum input voltage (6.5V vs. 3.8V) and output voltage (5V vs. 4.6V), making them suitable for applications within the original specifications. However, the minimum output voltage is higher (0.9V vs. 0.5V); applications requiring output below 0.9V cannot use these substitutes.

Q: What is the impact of increased dropout voltage on system design?

A: The substitute parts have 0.5V dropout at 1.5A compared to 0.25V for the original part. This means the input voltage must be 0.25V higher to maintain the same output voltage. Applications with tight input voltage margins must account for this difference.

Q: Do the substitute parts maintain the same temperature operating range?

A: Yes, all three parts operate across -40°C to 125°C, maintaining thermal performance consistency across the product family.

Q: What is the significance of MSL rating differences?

A: The substitute parts have MSL 1 (Unlimited shelf life) compared to MSL 2 (1 Year) for the original part. This indicates superior moisture resistance and longer storage capability without special handling requirements.