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MPQ20056GG-18-Z Equivalent & Substitute Parts
Part Overview
The MPQ20056GG-18-Z is a linear voltage regulator IC from Monolithic Power Systems Inc., classified as a Power Management (PMIC) component. This device delivers a fixed 1.8V output at 250mA with integrated protection features including over-current, over-temperature, and under-voltage lockout (UVLO) functionality. The part is currently active in production and available in high volume (1033 pcs in stock). Finding equivalent or substitute parts may be necessary due to supply constraints, packaging preferences, or specific application requirements such as automotive qualification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MPQ20056GG-18-Z |
| Manufacturer | Monolithic Power Systems Inc. |
| Category | Power Management (PMIC) |
| Output Voltage (Fixed) | 1.8V |
| Output Current | 250mA |
| Input Voltage (Max) | 5.5V |
| Quiescent Current | 250 µA |
| Package / Case | 8-TFDFN Exposed Pad |
| Operating Temperature Range | -40°C ~ 125°C |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the MPQ20056GG-18-Z is determined by strict equivalence across the following critical parameters:
- Output voltage specification: 1.8V fixed
- Output current capability: 250mA
- Maximum input voltage: 5.5V
- Package type: 8-TFDFN Exposed Pad (8-QFN 2x2)
- Protection features: Over Current, Over Temperature, UVLO
- Quiescent current: 250 µA
- Operating temperature range: -40°C ~ 125°C
- RoHS compliance: ROHS3 Compliant
The substitute part MPQ20056GG-18-AEC1-Z maintains identical electrical specifications and package configuration. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and automotive-grade qualification (AEC-Q100), which represents an enhancement rather than a deviation from the original specification.
Parameter Comparison
| Parameter | MPQ20056GG-18-Z | MPQ20056GG-18-AEC1-Z |
|---|---|---|
| Manufacturer | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. |
| Output Voltage (Fixed) | 1.8V | 1.8V |
| Output Current | 250mA | 250mA |
| Input Voltage (Max) | 5.5V | 5.5V |
| Quiescent Current | 250 µA | 250 µA |
| Supply Current (Max) | 330 µA | 330 µA |
| PSRR | 65dB ~ 33dB (100Hz ~ 1MHz) | 65dB ~ 33dB (100Hz ~ 1MHz) |
| Control Features | Enable | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Package / Case | 8-TFDFN Exposed Pad | 8-TFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® |
| Automotive Grade | Standard | AEC-Q100 Qualified |
Engineering Selection Recommendations
The MPQ20056GG-18-AEC1-Z serves as a direct parametric equivalent to the MPQ20056GG-18-Z. Both parts are active products from the same manufacturer with identical electrical performance and package specifications. The substitute part carries AEC-Q100 automotive qualification, which is applicable for applications requiring automotive-grade components. The difference in packaging format (Cut Tape & Digi-Reel® versus standard Tape & Reel) does not affect electrical compatibility and is determined by procurement and assembly requirements. Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings.
Frequently Asked Questions (FAQ)
Q: Can MPQ20056GG-18-AEC1-Z be used as a direct replacement for MPQ20056GG-18-Z?
A: Yes. Both parts are electrically and mechanically identical. They share the same output voltage (1.8V), output current (250mA), package type (8-TFDFN Exposed Pad), and protection features. The substitute part includes automotive-grade qualification (AEC-Q100), which does not preclude use in non-automotive applications.
Q: What is the difference between Tape & Reel (TR) and Cut Tape & Digi-Reel® packaging?
A: Both are surface-mount packaging formats. Tape & Reel is supplied on continuous carrier tape in reel format, typically for high-volume automated assembly. Cut Tape & Digi-Reel® provides the same components in cut tape segments or alternative reel formats, often preferred for lower-volume orders or specific assembly line configurations. Electrical and mechanical specifications remain unchanged.
Q: Does the AEC-Q100 qualification on the substitute part affect compatibility?
A: No. AEC-Q100 qualification indicates the part meets automotive industry reliability and testing standards. This certification is an enhancement and does not restrict use in standard industrial or consumer applications. The part remains fully compatible with designs using the standard-grade version.
Q: Are the protection features identical between both parts?
A: Yes. Both the MPQ20056GG-18-Z and MPQ20056GG-18-AEC1-Z include identical protection features: over-current protection, over-temperature protection, and under-voltage lockout (UVLO).
Q: What is the operating temperature range for both parts?
A: Both parts operate across -40°C to 125°C, ensuring compatibility across industrial and automotive temperature specifications.
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