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MPQ2484U-AEC1 4.5-45V Buck-Boost) LED Controller TSSOP-28
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pMPS MPQ2484U-AEC1 — Buck-Boost) LED Controller, 4.5-45V input, TSSOP-28, AEC-Q100./p
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MPQ2484U-AEC1 4.5-45V Buck-Boost) LED Controller TSSOP-28
The MPS MPQ2484U-AEC1 is a Buck-Boost) LED Controller. It operates from a 4.5 V to 45 V input. It is supplied in a TSSOP-28 package. The part is AEC-Q100 qualified.
The MPQ2484U is a flexible, multi-topology, asynchronous controller for LED lights requiring high luminous output.
Key Specifications
| Part Number | MPQ2484U-AEC1 |
| Function | Buck-Boost) LED Controller |
| Input Voltage | 4.5 V to 45 V |
| Interface | PWM |
| Package | TSSOP-28 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ2484U-AEC1 |
Features
- Multi-Topology o Supports Buck, Boost, and Buck-Boost Topologies
- Low-Noise EMI/EMC o Frequency Spread Spectrum (FSS) o Configurable or Synchronizable Switching Frequency (fSW)
Typical Application Circuit
Applications
- Automotive Exterior LED Lighting o Headlights o Tail Lights o Fog Lights
Design Notes
- Channel-to-channel current matching sets backlight uniformity; check the matching spec at the current you will actually run.
- In boost topologies the OVP threshold must clear the worst-case forward voltage of the longest string, including temperature and binning spread.
- Keep PWM dimming above 200 Hz to stay clear of visible flicker, and away from the audio band if the product has a speaker.
- Size the inductor and output capacitor for the string current ripple, not the total LED current.
Common Questions
What input voltage does the MPQ2484U-AEC1 support?
4.5 V to 45 V.
Which package and ordering codes apply to the MPQ2484U-AEC1?
TSSOP-28; order codes include MPQ2484U-AEC1.
What are the defining features of the MPQ2484U-AEC1?
Multi-Topology o Supports Buck, Boost, and Buck-Boost Topologies Low-Noise EMI/EMC o Frequency Spread Spectrum (FSS) o Configurable or Synchronizable Switching Frequency (fSW)
Is the MPQ2484U-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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