— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:3A, 36V, STEP-DOWN CONVERTER WIT
- Series:-
- Mfr:Monolithic Power Systems Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Applications:Converter, USB
- Voltage - Input:36V
- Number of Outputs:2
- Voltage - Output:3.6V ~ 34.56V
- Operating Temperature:-40°C ~ 150°C (TJ)
- Mounting Type:Surface Mount, Wettable Flank
- Package / Case:22-VFQFN
- Supplier Device Package:22-QFN (4x4)
- Grade:Automotive
- Qualification:AEC-Q100
Download product information
Overview
The MPQ4228GRE-Q-AEC1-Z is a Monolithic Power Systems synchronous step-down converter featuring an integrated USB charging port. It supports CDP and Type-C 5V at 3A DFP mode, with AEC-Q100 qualification for automotive use. The device operates from a 4.2 V to 36 V input range, delivering up to 3 A output current in a QFN-22 package. Key electrical parameters include a 2.2 MHz switching frequency, 1 uA operating supply current, and -40°C to +150°C junction temperature range.
Feature Summary
- Integrated USB charging port supporting CDP and Type-C 5V at 3A DFP mode
- Automotive-grade AEC-Q100 qualification for reliable operation
- High-frequency synchronous buck topology for compact design
Applications
- Automotive infotainment systems
- Vehicle telematics units
- Digital instrument clusters
Procurement Notes
Verify the specific suffix 'Q' against official MPS documentation to confirm its exact meaning relative to the standard 'Z' variant. Ensure the selected part number matches the required automotive grade and functional specifications before procurement.
Selection Notes
Select this component for applications requiring integrated USB fast-charging capabilities alongside standard DC-DC conversion. The wide input voltage range accommodates various automotive bus architectures, while the high switching frequency allows for smaller external passive components.
Part Context
This part belongs to the MPQ4228 series of power management ICs designed for automotive environments. It integrates power switches and control logic into a single monolithic structure, simplifying the design of efficient power distribution networks for connected car electronics.
Replacement Considerations
MPQ4228GRE-AEC1-Z is a confirmed substitute within the same family.
ChipApex | Global Electronic Components Supplier









