ADI LTM4644 / LTM4644T In Stock DRAM — HG4644 PIN2PIN Replacement

Name: HG4644 — pin-compatible replacement for LTM4644 / LTM4644T
Brand: HGCHIPS
SKU: HG4644

HG4644 is a pin-compatible point-of-load DC-DC module offered as a replacement for ADI LTM4644 / LTM4644T — 4V~14V input, 0.6V~5.5V output, 16A single output / 4A quad output, in a BGA footprint. Same board space, no redesign, with a long-term stock commitment for long-lifecycle programs.

Specifications

HG4644 — key parameters

Package size	10mm×16mm×6.9mm
Input voltage (VIN)	4V~14V
Output voltage (VOUT)	0.6V~5.5V
Output current	16A single output / 4A quad output
Outputs	Quad output
Conversion type	Step-down (buck)
Footprint / package	BGA
Variant note	HG4644 covers both LTM4644 (10mm×16mm×6.9mm) and LTM4644T (10mm×16mm×5.4mm) footprint variants.
HG4644 covers	LTM4644 (6.9 mm package)
HG4644T covers	LTM4644T (5.4 mm low-profile package)

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 HG4644

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

ADI LTM4644 / LTM4644T In Stock DRAM — HG4644 PIN2PIN Replacement

HG4644 — key parameters

Why teams qualify HG4644

Get availability and pricing for HG4644

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