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MPQ2166A-AEC1 2.7-6V, 2A, 3MHz Synchronous Buck Regulator QFN-18
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pMPS MPQ2166A-AEC1 — synchronous buck regulator, 2.7-6V input, 2A output, 3 MHz, QFN-18./p
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MPQ2166A-AEC1 2.7-6V, 2A, 3MHz Synchronous Buck Regulator QFN-18
MPS MPQ2166A-AEC1 is a synchronous buck regulator that accepts 2.7 V to 6 V input, delivers 2 A, switches at 3 MHz, supplied in a QFN-18 package.
Key Specifications
| Part Number | MPQ2166A-AEC1 |
| Input Voltage | 2.7 V to 6 V |
| Output Voltage | 0.6 V to 5.5 V |
| Output Current | 2 A |
| Switching Frequency | 3 MHz |
| Quiescent Current | 65 uA |
| Topology | Synchronous Buck Regulator |
| Package | QFN-18 |
| Ordering Codes | MPQ2166A-AEC1 |
Features
- 2.7V to 6V Operating Input Range
- 2A/2A or 3A/1A Continuous Current
- 55mΩ/20mΩ RDS(ON)
- Configurable Frequency Up to 3MHz
- External Sync Clock Up to 3MHz
- 180° Phase-Shift Operation
- Power Good (PG) Indicators
- External Soft Start (SS) and Track Mode
- Selectable Advanced Asynchronous Modulation (AAM) Mode or Forced Continuous Conduction Mode (FCCM)
- Peak Efficiency >90%
Applications
- Automotive Infotainment
- Automotive Clusters
- Automotive Telematics
- Battery-Powered Devices
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- AEC-Q100 qualification suits this part to automotive rails.
- Package QFN-18 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ2166A-AEC1?
2.7–6 V input and 2 A output.
What switching frequency does the MPQ2166A-AEC1 run at?
3 MHz.
Which package is the MPQ2166A-AEC1 available in?
QFN-18.
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