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MPQ8632DGLE-12-Z Equivalent & Substitute Parts
Part Overview
The MPQ8632DGLE-12-Z is a buck switching regulator IC from Monolithic Power Systems Inc., designed for positive adjustable output applications with 12A output current capability in a 16-PowerVFQFN package. This part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The device operates across a 4.5V to 18V input range with adjustable output from 0.611V to 13V, featuring synchronous rectification and a switching frequency range of 200kHz to 1MHz.
Substiute Parts
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 (Min/Max) | 4.5V / 18V |
| Voltage - Output (Min/Max) | 0.611V / 13V |
| Current - Output | 12A |
| Frequency - Switching | 200kHz ~ 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 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 for the MPQ8632DGLE-12-Z is determined by strict equivalence across the following critical parameters:
- Input voltage range: 4.5V to 18V
- Output voltage range: 0.611V to 13V
- Output current: 12A
- Switching frequency: 200kHz to 1MHz
- Synchronous rectifier: Present
- Package: 16-PowerVFQFN (3x4)
- Operating temperature: -40°C to 125°C
- RoHS3 compliance and MSL Level 1
All substitute parts listed maintain identical electrical specifications and package footprint compatibility. Differences exist only in product status, base part number designation, and packaging format (Tape & Reel versus standard packaging).
Parameter Comparison
| Part Number | Manufacturer | Product Status | Input Voltage | Output Voltage | Output Current | Switching Frequency | Package | Inventory |
|---|---|---|---|---|---|---|---|---|
| MPQ8632DGLE-12-Z | Monolithic Power Systems Inc. | Obsolete | 4.5V - 18V | 0.611V - 13V | 12A | 200kHz - 1MHz | 16-PowerVFQFN | 868 Pcs |
| MPQ8632GLE-12-Z | Monolithic Power Systems Inc. | Active | 4.5V - 18V | 0.611V - 13V | 12A | 200kHz - 1MHz | 16-PowerVFQFN | 9611 Pcs |
| MP8763GLE-P | Monolithic Power Systems Inc. | Not For New Designs | 4.5V - 18V | 0.611V - 13V | 12A | 200kHz - 1MHz | 16-PowerVFQFN | 752 Pcs |
| MP8763GLE-Z | Monolithic Power Systems Inc. | Not For New Designs | 4.5V - 18V | 0.611V - 13V | 12A | 200kHz - 1MHz | 16-PowerVFQFN | 1933 Pcs |
| MPQ8632DGLE-12-P | Monolithic Power Systems Inc. | Active | 4.5V - 18V | 0.611V - 13V | 12A | 200kHz - 1MHz | 16-PowerVFQFN | 678 Pcs |
Engineering Selection Recommendations
For applications currently using the MPQ8632DGLE-12-Z, the recommended primary substitute is MPQ8632GLE-12-Z. This part maintains identical electrical and mechanical specifications while offering Active product status and significantly higher inventory availability (9611 units versus 868 units). Both parts share the same base product number (MPQ8632) and packaging designation.
MPQ8632DGLE-12-P serves as an alternative Active-status substitute with equivalent specifications. The packaging designation difference (P versus Z suffix) reflects standard Monolithic Power Systems Inc. part numbering conventions and does not affect electrical performance or PCB footprint compatibility.
Parts designated as "Not For New Designs" (MP8763GLE-P and MP8763GLE-Z) are parametrically equivalent but carry lifecycle restrictions. These parts are suitable only for sustaining production of existing designs and should not be selected for new development.
All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical thermal operating ranges (-40°C to 125°C).
Frequently Asked Questions (FAQ)
Q: Can MPQ8632GLE-12-Z directly replace MPQ8632DGLE-12-Z on existing PCBs?
A: Yes. Both parts use the 16-PowerVFQFN (3x4) package with identical pinout and footprint. Electrical specifications are fully equivalent across input voltage, output voltage, output current, and switching frequency parameters.
Q: What is the difference between the Z and P packaging suffixes?
A: The Z suffix indicates standard packaging format, while P indicates Tape & Reel packaging. Both formats contain electrically identical components and are compatible with the same PCB designs. Selection depends on procurement and assembly process requirements.
Q: Why is MPQ8632DGLE-12-Z marked as Obsolete?
A: Obsolete status indicates the part is no longer in active production. MPQ8632GLE-12-Z represents the current Active equivalent from Monolithic Power Systems Inc. and should be used for new designs and ongoing procurement.
Q: Are MP8763GLE-P and MP8763GLE-Z suitable for new product designs?
A: No. Both parts carry "Not For New Designs" status. These parts are reserved for sustaining production of existing designs only. Use MPQ8632GLE-12-Z or MPQ8632DGLE-12-P for new development.
Q: Do all substitute parts meet the same compliance standards?
A: Yes. All listed parts are ROHS3 compliant with MSL Level 1 rating. Thermal operating range is -40°C to 125°C across all variants.
Q: What is the inventory status for each substitute?
A: MPQ8632GLE-12-Z has the highest availability at 9611 units. MP8763GLE-Z has 1933 units, MPQ8632DGLE-12-P has 678 units, and MP8763GLE-P has 752 units. The original MPQ8632DGLE-12-Z has 868 units remaining.
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