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MPQ4488T 6-36V, 6A Step-Down Converter QFN-26
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pMPS MPQ4488T — Step-Down Converter, 6-36V input, 6 A output, QFN-26, AEC-Q100./p
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MPQ4488T 6-36V, 6A Step-Down Converter QFN-26
The MPS MPQ4488T is a Step-Down Converter. It operates from a 6 V to 36 V input and is rated for 6 A. It is supplied in a QFN-26 package. The part is AEC-Q100 qualified.
The MPQ4488T integrates a monolithic, step- down, switch-mode converter with two USB current-limit switches and charging port identification circuitry for each port.
Key Specifications
| Part Number | MPQ4488T |
| Function | Step-Down Converter |
| Input Voltage | 6 V to 36 V |
| Current Rating | 6 A |
| Package | QFN-26 |
| Qualification | AEC-Q100 |
| Lifecycle | NRFND |
| Ordering Codes | MPQ4488T |
Features
- Wide 6V to 36V Operating Input Voltage Range
- Selectable Output Voltage: 5.1V, 5.17V, and 5.3V
- 90mV Line Drop Compensation
- Accurate USB1/USB2 Output Current Limit
- 18mΩ/15mΩ Low RDS(ON) Internal Buck Power MOSFETs
- 13mΩ/13mΩ Low RDS(ON) Internal USB1/USB2 Power MOSFETs
- Frequency Adjustable (250kHz to 2.2MHz)
- Frequency Spread Spectrum for MPQ4488TGU-FD-AEC1/MPQ4488TGU- FD2-AEC1
- Forced Continuous Conduction Mode (CCM) Operation
- 135°C Load Shedding Entry Temperature
Typical Application Circuit
Applications
- USB Dedicated Charging Ports (DCP)
Design Notes
- Rail sequencing order and delay are part of the SoC power-up contract; a wrong order latches the processor even though every rail is in spec.
- In multiphase designs, current balance depends on the loop matching between phases, so keep the layout symmetric.
- Digital interfaces (PMBus, I²C) need pull-ups to the correct rail and a defined state during power-up.
- Thermal design is a system problem here: the PMIC sits next to the load it feeds, so budget the shared copper, not the package alone.
Common Questions
What input voltage does the MPQ4488T support?
6 V to 36 V. The rated output is 6 A.
Which package and ordering codes apply to the MPQ4488T?
QFN-26; order codes include MPQ4488T.
What are the defining features of the MPQ4488T?
Wide 6V to 36V Operating Input Voltage Range Selectable Output Voltage: 5.1V, 5.17V, and 5.3V
Is the MPQ4488T qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
Shenzhen Gaorunxin Technology Co., Ltd
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