MPQ8632GLE-8-P Equivalent & Substitute Parts

Part Overview

The MPQ8632GLE-8-P is a buck switching regulator IC manufactured by Monolithic Power Systems Inc., designed for step-down voltage conversion applications. This device delivers 8A output current with adjustable output voltage ranging from 0.611V to 13V, operating from a 4.5V to 18V input supply. The part is currently in Active product status with 667 units available in stock. Substitute parts are necessary when addressing packaging requirements, higher current demands, or product lifecycle transitions while maintaining electrical and mechanical compatibility.

Substiute Parts

MPQ8632GLE-8-P
Monolithic Power Systems Inc.In Stock: 740MPQ8632GLE-8-P Datasheet
MPQ8632GLE-8-P
Current Part
MP8761GLE-P
Monolithic Power Systems Inc.In Stock: 1390MP8761GLE-P Datasheet
MP8761GLE-P
Direct
MPQ8632GLE-12-P
Monolithic Power Systems Inc.In Stock: 2024MPQ8632GLE-12-P Datasheet
MPQ8632GLE-12-P
Direct

Key Parameters

Parameter Value
Manufacturer Monolithic Power Systems Inc.
Category Power Management (PMIC)
Function Step-Down (Buck)
Output Configuration Positive Adjustable
Number of Outputs 1
Voltage - Input Range 4.5V to 18V
Voltage - Output Range 0.611V to 13V
Current - Output 8A
Frequency - Switching 200kHz to 1MHz
Synchronous Rectifier Yes
Operating Temperature -40°C to 125°C (TJ)
Package / Case 16-PowerVFQFN (3x4)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MPQ8632GLE-8-P is determined by the following critical parameters:

Electrical Compatibility Requirements:

  • Input voltage range: 4.5V to 18V
  • Output voltage range: 0.611V to 13V
  • Switching frequency: 200kHz to 1MHz
  • Synchronous rectifier topology: Required
  • Operating temperature: -40°C to 125°C (TJ)

Mechanical Compatibility Requirements:

  • Package type: 16-PowerVFQFN
  • Supplier device package: 16-QFN (3x4)
  • Mounting type: Surface Mount

Acceptable Variations:

  • Output current capacity: Equal to or greater than 8A
  • Packaging format: Tape & Reel (TR) or Cut Tape (CT)
  • Product status: Active or Not For New Designs

The identified substitute parts maintain all electrical specifications and package dimensions while offering alternative packaging formats or enhanced current ratings.

Parameter Comparison

Parameter MPQ8632GLE-8-P MP8761GLE-P MPQ8632GLE-12-P
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc. Monolithic Power Systems Inc.
Function Step-Down Step-Down Step-Down
Output Configuration Positive Adjustable Positive Adjustable Positive Adjustable
Number of Outputs 1 1 1
Voltage - Input (Min) 4.5V 4.5V 4.5V
Voltage - Input (Max) 18V 18V 18V
Voltage - Output (Min/Fixed) 0.611V 0.611V 0.611V
Voltage - Output (Max) 13V 13V 13V
Current - Output 8A 8A 12A
Frequency - Switching 200kHz to 1MHz 200kHz to 1MHz 200kHz to 1MHz
Synchronous Rectifier Yes Yes Yes
Operating Temperature -40°C to 125°C (TJ) -40°C to 125°C (TJ) -40°C to 125°C (TJ)
Package / Case 16-PowerVFQFN 16-PowerVFQFN 16-PowerVFQFN
Supplier Device Package 16-QFN (3x4) 16-QFN (3x4) 16-QFN (3x4)
Mounting Type Surface Mount Surface Mount Surface Mount
Packaging Format Tape & Reel (TR) Cut Tape (CT) Tape & Reel (TR)
Product Status Active Not For New Designs Active
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

MP8761GLE-P: This substitute maintains identical electrical specifications and package dimensions as the MPQ8632GLE-8-P. The primary distinction is the packaging format (Cut Tape versus Tape & Reel) and product lifecycle status (Not For New Designs). This part is suitable for replacement applications or inventory management where packaging format flexibility is acceptable. Higher inventory availability (1302 units) may support supply chain requirements.

MPQ8632GLE-12-P: This substitute provides enhanced output current capacity (12A versus 8A) while maintaining all other electrical and mechanical specifications. The part is in Active product status and available in Tape & Reel packaging. Selection of this part is appropriate for applications requiring higher current delivery or where thermal margin improvement is beneficial. The identical package footprint ensures direct PCB compatibility.

Both substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity rating, and identical operating temperature ranges, ensuring regulatory and environmental compatibility with the original MPQ8632GLE-8-P specification.

Frequently Asked Questions (FAQ)

Q: Can MP8761GLE-P be used as a direct replacement for MPQ8632GLE-8-P?

A: Yes. Both parts share identical electrical specifications (input voltage, output voltage, output current, switching frequency, and operating temperature) and package dimensions (16-PowerVFQFN, 3x4mm). The difference is packaging format (Cut Tape versus Tape & Reel). PCB layout and schematic compatibility are maintained.

Q: What is the advantage of using MPQ8632GLE-12-P instead of MPQ8632GLE-8-P?

A: The MPQ8632GLE-12-P delivers 12A output current compared to 8A in the original part. This higher current rating provides increased power delivery capability and improved thermal performance in applications approaching the 8A limit. All other electrical and mechanical parameters remain identical.

Q: Does packaging format (Tape & Reel versus Cut Tape) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly processes. Electrical performance and component specifications are identical between Tape & Reel and Cut Tape formats of the same part number.

Q: Why is MP8761GLE-P marked as "Not For New Designs"?

A: This product lifecycle designation indicates the manufacturer is not recommending this part for new design implementations. However, it remains functionally equivalent and suitable for replacement, repair, or legacy system applications where the part is already in use.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the 16-PowerVFQFN package with identical 3x4mm dimensions and pin configuration, ensuring direct PCB compatibility without layout modifications.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity ratings (MSL 1 - Unlimited), ensuring equivalent regulatory and environmental compliance.

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