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MPQ4276A-AEC1 6-36V, 6A Configurable Frequency Buck Converter QFN-26
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pMPS MPQ4276A-AEC1 — Configurable Frequency Buck Converter, 6-36V input, 6 A output, QFN-26, AEC-Q100./p
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MPQ4276A-AEC1 6-36V, 6A Configurable Frequency Buck Converter QFN-26
The MPS MPQ4276A-AEC1 is a Configurable Frequency Buck 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 MPQ4276A integrates a monolithic, step- down switch-mode converter with two USB current-limit switches, as well as USB Type-C 5V @ 3A mode configuration channels for each port.
Key Specifications
| Part Number | MPQ4276A-AEC1 |
| Function | Configurable Frequency Buck Converter |
| Input Voltage | 6 V to 36 V |
| Current Rating | 6 A |
| Interface | PWM |
| Package | QFN-26 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ4276A-AEC1 |
Features
- Passes USB-IF Type-C Certification Test
- Passes Apple MFI Certification Test
- Automatic Pulse-Frequency Modulation (PFM) and Pulse-Width Modulation (PWM) Modes
- Enables Output when EN is Pulled High or CC1, CC2, CC3, and CC4 Are Connected
- EN1 and EN2 Pulled Active Low Controls USB1 and USB2 On/Off
- 135°C Load-Shedding vs. Temperature
- Accurate 5A USB1 and USB2 Output Current (IOUT) Limit
- Wide 6V to 36V Operating Input Voltage (VIN) Range
- Selectable Output Voltage (VOUT)
- Line Drop Compensation
Typical Application Circuit
Applications
- USB Hubs
Design Notes
- Charge current accuracy depends on the sense resistor tolerance, so use a 1% or better part and keep its traces Kelvin-connected.
- Wire the NTC input for JEITA profile control if the pack is charged over temperature.
- Set the input current limit to what the adapter can actually deliver; a limit above the adapter rating causes the input rail to collapse mid-charge.
- Termination current and recharge threshold dominate cycle life in shallow-cycling products.
Common Questions
What input voltage does the MPQ4276A-AEC1 support?
6 V to 36 V. The rated output is 6 A.
Which package and ordering codes apply to the MPQ4276A-AEC1?
QFN-26; order codes include MPQ4276A-AEC1.
What are the defining features of the MPQ4276A-AEC1?
Passes USB-IF Type-C Certification Test Passes Apple MFI Certification Test
Is the MPQ4276A-AEC1 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.
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