MPQ8632HGL-10-Z Equivalent & Substitute Parts

Part Overview

The MPQ8632HGL-10-Z is a buck switching regulator IC from Monolithic Power Systems Inc., designed for positive adjustable output applications. This device delivers 10A output current with an adjustable output voltage range from 0.611V to 13V, operating from a 2.5V to 18V input supply. The part is classified as Not For New Designs, making identification of active equivalent alternatives essential for ongoing production and new system implementations.

Substiute Parts

MPQ8632HGL-10-Z

Monolithic Power Systems Inc.In Stock: 1191MPQ8632HGL-10-Z Datasheet

Current PartRFQ

MPQ8632HGLE-10-Z

Monolithic Power Systems Inc.In Stock: 3277MPQ8632HGLE-10-Z Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MPQ8632HGL-10-Z is determined by the following critical electrical and mechanical parameters:

Core Functional Parameters:

• Output topology: Buck (step-down) switching regulator
• Output configuration: Positive adjustable
• Output voltage range: 0.611V to 13V minimum
• Output current capability: 10A minimum
• Switching frequency range: 200kHz to 1MHz
• Synchronous rectification: Required

Electrical Operating Range:

• Input voltage tolerance: Minimum 2.5V, maximum 18V
• Operating temperature range: -40°C to 125°C (TJ)

Mechanical & Packaging Constraints:

• Mounting type: Surface Mount
• Package family: QFN-based (13-pin or 16-pin variants acceptable)
• Base product number: MPQ8632 series

Compliance & Certification:

• RoHS3 compliance required
• MSL rating: 1 (Unlimited)

The MPQ8632HGLE-10-Z qualifies as a direct substitute based on matching all core functional parameters, identical output specifications, and equivalent electrical performance within the specified operating ranges.

Parameter Comparison

Engineering Selection Recommendations

The MPQ8632HGLE-10-Z is the recommended substitute for the MPQ8632HGL-10-Z based on the following engineering criteria:

Product Status Alignment: The MPQ8632HGL-10-Z carries a "Not For New Designs" status, indicating end-of-life trajectory. The MPQ8632HGLE-10-Z maintains Active product status, ensuring long-term availability and manufacturing support for ongoing production requirements.

Electrical Equivalence: Both devices share identical output specifications (0.611V to 13V adjustable, 10A capability), switching frequency range (200kHz to 1MHz), and operating temperature range (-40°C to 125°C). The substitute's minimum input voltage of 4.5V versus the original's 2.5V represents a minor constraint applicable only to ultra-low input voltage applications below 4.5V.

Compliance & Certification: Both parts maintain ROHS3 compliance and MSL rating of 1 (Unlimited), ensuring equivalent environmental and reliability standards for manufacturing and field deployment.

Package Consideration: The substitute transitions from 13-pin VFQFN to 16-pin PowerVFQFN packaging. Both maintain identical 3x4mm footprint dimensions. The 16-pin variant provides enhanced thermal performance through additional ground connections, representing a functional improvement over the original design.

Frequently Asked Questions (FAQ)

Q: Can the MPQ8632HGLE-10-Z directly replace the MPQ8632HGL-10-Z in existing designs?

A: Yes, with one electrical constraint. The substitute requires a minimum input voltage of 4.5V versus the original's 2.5V. If your application operates below 4.5V input, the substitute is not compatible. For applications within the 4.5V to 18V input range, the substitute provides identical electrical performance and output specifications.

Q: What is the difference between the 13-VFQFN and 16-PowerVFQFN packages?

A: Both packages maintain the same 3x4mm footprint and surface mount compatibility. The 16-PowerVFQFN variant includes additional ground pins (4 total ground connections versus fewer in the 13-pin version), improving thermal dissipation and current distribution. PCB layout modifications may be required to utilize the additional ground connections for optimal thermal performance.

Q: Why is the original MPQ8632HGL-10-Z marked "Not For New Designs"?

A: This designation indicates the part is in end-of-life phase. Monolithic Power Systems recommends transitioning to the MPQ8632HGLE-10-Z for new designs and ongoing production to ensure long-term supply chain stability and manufacturing support.

Q: Are there any compliance or certification differences between these parts?

A: No. Both devices maintain identical RoHS3 compliance, MSL rating of 1 (Unlimited), REACH status (Unaffected), and ECCN classification (EAR99). Certification and regulatory requirements are equivalent.

Q: What is the minimum input voltage requirement for the substitute?

A: The MPQ8632HGLE-10-Z requires a minimum input voltage of 4.5V. Applications requiring operation below 4.5V input voltage cannot use this substitute and must source alternative buck regulator solutions.

Q: Do the switching frequency ranges differ between these parts?

A: No. Both devices operate across the identical 200kHz to 1MHz switching frequency range, providing equivalent frequency flexibility for system design and EMI management.