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ADI LTM4643 In Stock 12A DC-DC µModule — HG4643 PIN2PIN Replacement

HG4643 is a pin-compatible point-of-load DC-DC module offered as a replacement for ADI LTM4643 — 4V~20V input, 0.6V~3.3V output, 12A single output / 3A quad output, in a BGA footprint. Same board space, no redesign, with a long-term stock commitment for long-lifecycle programs.

Specifications

HG4643 — key parameters

Package size10mm×16mm×5.4mm
Input voltage (VIN)4V~20V
Output voltage (VOUT)0.6V~3.3V
Output current12A single output / 3A quad output
OutputsQuad 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 HG4643

  • 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 HG4643

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Same line

Related part numbers

HG4644 HG4650 HG4700

Browse the full list of all part pages, read the LTM4643 alternative guide, see the LTM46xx series page, or browse the ADI uModule compatible line.

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