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Product Detailed Parameters
- Description:36V, 3A, DUAL BUCK CONVERTER WIT
- Series:-
- Mfr:Monolithic Power Systems Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Applications:Converter, USB
- Voltage - Input:4V ~ 36V
- Number of Outputs:2
- Voltage - Output:1V ~ 21V
- Operating Temperature:-40°C ~ 150°C (TJ)
- Mounting Type:Surface Mount, Wettable Flank
- Package / Case:21-PowerVFQFN
- Supplier Device Package:21-QFN (4x5)
- Grade:Automotive
- Qualification:AEC-Q100
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Overview
The MPQ4272GVE-0011-AEC1-P is a dual synchronous buck converter designed for automotive power delivery applications. It features an I2C interface for configuration and control. The device supports an input voltage range up to 36V and provides two independent outputs with a maximum current of 3A per channel. Output voltages are adjustable from 1V to 21V. It operates at a fixed switching frequency of 2.1MHz and includes a quiescent current of 300uA. The component is qualified under AEC-Q100 standards, ensuring reliability in automotive environments. It functions within a temperature range of -40°C to +150°C and is housed in a QFN-21 package.
Feature Summary
- Dual-channel synchronous buck topology for efficient power conversion
- I2C digital interface for programmable control and monitoring
- Automotive-grade qualification ensuring high reliability
- Wide input voltage tolerance suitable for automotive buses
Applications
- Automotive infotainment system power distribution
- ADAS sensor module power supply
- Vehicle body electronics power regulation
- Central gateway power management units
Procurement Notes
Verify the specific suffix '0011' against official Monolithic Power Systems documentation to confirm internal configuration settings. Ensure the AEC-Q100 grade matches the target automotive application requirements. Confirm that the QFN-21 package dimensions align with PCB layout constraints. Cross-reference thermal performance data with system-level heat dissipation capabilities before finalizing procurement decisions.
Selection Notes
Select this component when dual isolated buck outputs are required from a single high-voltage automotive rail. The I2C interface allows for dynamic voltage adjustment and fault monitoring, reducing external component count. Consider the 2.1MHz switching frequency for balancing efficiency and EMI performance. Verify that the 3A output current per channel meets the load requirements without exceeding thermal limits in the intended enclosure environment.
Part Context
This part belongs to the MPQ4272 series of dual synchronous step-down converters. It is specifically engineered for automotive power delivery systems requiring compact solutions. The series integrates high-side and low-side MOSFETs into a single package. It complements other MPS automotive PMICs by providing flexible, digitally controlled power rails for complex vehicle architectures.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided source material.
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