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Home / Part Numbers / HG4638

ADI LTM4638 In Stock 15A DC-DC µModule — HG4638 PIN2PIN Replacement

HG4638 is a pin-compatible point-of-load DC-DC module offered as a replacement for ADI LTM4638 — 3.1V~20V input, 0.6V~5.5V output, 15A, in a BGA footprint. Same board space, no redesign, with a long-term stock commitment for long-lifecycle programs.

Specifications

HG4638 — key parameters

Package size7.5mm×8mm×6.4mm
Input voltage (VIN)3.1V~20V
Output voltage (VOUT)0.6V~5.5V
Output current15A
OutputsSingle output
Conversion typeStep-down (buck)
Footprint / packageBGA

Parameters are taken from the HGCHIPS product table. Confirm the letter-grade suffix (P / A / T) and packing against your BOM at quotation.

Second source

Why teams qualify HG4638

  • Footprint compatible — LGA / BGA land pattern matched to the original module
  • Away from allocation — physical stock and a long-term availability commitment instead of 30+ week lead times
  • Tested per lot — functional validation with traceable records
  • Engineering support — datasheet-level comparison and application support from our Taiwan and Shenzhen team
  • Sample validation — 10 pcs MOQ, sample cost credited against your first production order

Get availability and pricing for HG4638

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Same line

Related part numbers

HG4643 HG4644 HG4650

Browse the full list of all part pages, read the LTM4638 alternative guide, see the LTM46xx series page, or browse the ADI uModule compatible line.

Replacement guide: LTM4644 / LTM4644T pin-to-pin replacement