MPQ8632DGLE-6-Z Equivalent & Substitute Parts

Part Overview

The MPQ8632DGLE-6-Z is a buck switching regulator IC manufactured by Monolithic Power Systems Inc., classified as a Power Management (PMIC) component. This device functions as a step-down converter with positive adjustable output, delivering 6A output current in a 16-PowerVFQFN surface mount package. The part is currently listed as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer	Monolithic Power Systems Inc.
Function	Step-Down (Buck)
Output Configuration	Positive Adjustable
Number of Outputs	1
Input Voltage Range	4.5V to 18V
Output Voltage Range	0.611V to 13V
Output Current	6A
Switching Frequency	200kHz to 1MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C to 125°C (TJ)
Package Type	16-PowerVFQFN (3x4)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MPQ8632DGLE-6-Z is determined by the following critical parameters: input voltage range (4.5V–18V), output voltage adjustability (0.611V–13V), package type (16-PowerVFQFN), synchronous rectification capability, operating temperature range (-40°C to 125°C), and compliance certifications (ROHS3, REACH Unaffected).

Substitute parts are categorized into two groups:

Direct Substitutes (Higher Current Rating): Parts with identical electrical specifications but increased output current capacity (8A). These include MP8761GLE-P, MP8761GLE-Z, and MPQ8632GLE-8-P/Z. These components maintain full parameter compatibility while providing enhanced current handling.

Parametric Equivalents (Same Current Rating): Parts with matching 6A output current and identical core electrical parameters. These include MP8760GLE-P, MP8760GLE-Z, MPQ8632DGLE-6-P, MPQ8632GLE-6-P, and MPQ8632GLE-6-Z. These components provide direct functional equivalence with packaging or product status variations.

Parameter Comparison

Part Number	Manufacturer	Output Current	Input Voltage	Output Voltage	Package	Product Status	Packaging Type
MPQ8632DGLE-6-Z	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Obsolete	Cut Tape (CT) & Digi-Reel®
MP8761GLE-P	Monolithic Power Systems Inc.	8A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Not For New Designs	Cut Tape (CT)
MP8761GLE-Z	Monolithic Power Systems Inc.	8A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Not For New Designs	Cut Tape (CT) & Digi-Reel®
MPQ8632GLE-8-P	Monolithic Power Systems Inc.	8A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Active	Tape & Reel (TR)
MPQ8632GLE-8-Z	Monolithic Power Systems Inc.	8A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Active	Cut Tape (CT) & Digi-Reel®
MP8760GLE-P	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Not For New Designs	Tape & Reel (TR)
MP8760GLE-Z	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Not For New Designs	Cut Tape (CT) & Digi-Reel®
MPQ8632DGLE-6-P	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Active	Not Specified
MPQ8632GLE-6-P	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Active	Cut Tape (CT) & Digi-Reel®
MPQ8632GLE-6-Z	Monolithic Power Systems Inc.	6A	4.5V–18V	0.611V–13V	16-PowerVFQFN	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

For applications requiring direct functional replacement of the obsolete MPQ8632DGLE-6-Z with identical 6A current capacity, MPQ8632GLE-6-Z is the primary selection. This part maintains active product status, ensuring long-term availability and manufacturing support. MPQ8632GLE-6-P provides equivalent functionality with alternative packaging configuration and active status.

For designs where increased current capacity is acceptable, MPQ8632GLE-8-Z and MPQ8632GLE-8-P offer active product status with 8A output current. These parts are fully compatible with the original design envelope and provide enhanced performance margin.

All recommended substitutes maintain identical input/output voltage specifications, package geometry (16-PowerVFQFN), synchronous rectification, operating temperature range, and compliance certifications (ROHS3 Compliant, REACH Unaffected). Parts designated "Not For New Designs" (MP8761GLE-P, MP8761GLE-Z, MP8760GLE-P, MP8760GLE-Z) are suitable for legacy system support but should not be selected for new product development.

Frequently Asked Questions (FAQ)

Q: Can MPQ8632GLE-8-Z replace MPQ8632DGLE-6-Z in my application?

A: Yes. The 8A variant is electrically compatible with the 6A original across all critical parameters: input voltage (4.5V–18V), output voltage range (0.611V–13V), package type (16-PowerVFQFN), and operating temperature (-40°C to 125°C). The higher current rating provides additional design margin without affecting circuit operation.

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

A: The "-P" suffix indicates Tape & Reel (TR) or standard Cut Tape (CT) packaging, while "-Z" indicates Cut Tape (CT) & Digi-Reel® packaging. Both are surface mount configurations compatible with standard pick-and-place assembly equipment. Selection depends on procurement and assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the compliance profile of the original MPQ8632DGLE-6-Z.

Q: Why is the original part listed as obsolete?

A: Obsolescence typically results from manufacturer product line consolidation or transition to newer silicon revisions. Active alternatives with identical specifications are available to ensure design continuity.

Q: Can I use MP8760GLE-Z as a substitute?

A: MP8760GLE-Z is parametrically equivalent with matching 6A output current and identical electrical specifications. However, it carries "Not For New Designs" status. For new applications, select MPQ8632GLE-6-Z or MPQ8632GLE-6-P, which maintain active product status.

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