MP20046DQ-G-LF-Z Equivalent & Substitute Parts

Part Overview

The MP20046DQ-G-LF-Z is a linear voltage regulator IC from Monolithic Power Systems Inc., designed for positive fixed 1.8V output applications with 2A current capacity in a 10-QFN (3x3) surface mount package. This component is classified as Not For New Designs, indicating it has reached end-of-life status. For ongoing production requirements or new system designs, equivalent substitute parts must be identified to ensure supply continuity and design flexibility.

Substiute Parts

MP20046DQ-G-LF-Z

Monolithic Power Systems Inc.In Stock: 10349MP20046DQ-G-LF-Z Datasheet

Current PartRFQ

MP20046DQ-G-LF-P

Monolithic Power Systems Inc.In Stock: 955MP20046DQ-G-LF-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MP20046DQ-G-LF-Z is determined by strict equivalence across the following critical parameters:

• Output voltage specification (1.8V fixed)
• Output current rating (2A)
• Maximum input voltage (5.5V)
• Voltage dropout characteristics (0.47V @ 2A)
• Package configuration (10-QFN 3x3)
• Surface mount compatibility
• Operating temperature range (-40°C ~ 125°C)
• Regulatory compliance (ROHS3, REACH Unaffected)

The identified substitute maintains identical electrical and mechanical specifications, differing only in packaging format (Tape & Reel variant designation).

Parameter Comparison

Engineering Selection Recommendations

Both MP20046DQ-G-LF-Z and MP20046DQ-G-LF-P are electrically and mechanically identical linear voltage regulators. Selection between these parts is based on supply availability and packaging format requirements rather than functional differences.

The MP20046DQ-G-LF-Z variant carries higher current inventory (10,300 pcs), while MP20046DQ-G-LF-P offers lower inventory availability (922 pcs). Both components maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for current manufacturing standards.

Since both parts are designated Not For New Designs, their use should be limited to legacy system support or existing production lines requiring component replacement. For new design initiatives, evaluation of current-generation linear regulators from Monolithic Power Systems Inc. or alternative manufacturers is recommended to ensure long-term supply security and access to enhanced performance specifications.

Frequently Asked Questions (FAQ)

Q: Are MP20046DQ-G-LF-Z and MP20046DQ-G-LF-P pin-for-pin compatible?

A: Yes. Both parts use identical 10-QFN (3x3) packaging with the same pinout, electrical characteristics, and functional specifications. Direct substitution is possible without circuit modification.

Q: What is the difference between the -Z and -P designations?

A: The suffix designations indicate different packaging or tape format specifications within the Tape & Reel category. The electrical and mechanical specifications remain identical.

Q: Can these parts be used in new product designs?

A: Both components carry a Not For New Designs status, indicating end-of-life classification. While functional for legacy applications, new designs should evaluate alternative current-generation regulators to ensure long-term supply availability and access to updated performance features.

Q: Are both parts RoHS compliant?

A: Yes. Both MP20046DQ-G-LF-Z and MP20046DQ-G-LF-P are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What is the moisture sensitivity level for these components?

A: Both parts have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.