# LTM4630A In Stock — Domestic Replacement HG4630A PIN2PIN No-Redesign | HGCHIPS

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# LTM4630A in stock — HG4630A domestic drop-in replacement (PIN2PIN, no redesign)

**HG4630A** is a pin-to-pin compatible replacement for **ADI LTM4630A**, a dual 18 A / single 36 A step-down μModule regulator. It matches 4.5 V~18 V input, 0.6 V~8 V output, 36 A single / 18 A dual output and a BGA footprint, so no board redesign is required. Samples start at 10 pcs with lot-level test reports.

Specification comparison

## LTM4630A vs HG4630A — what has to match

| Parameter | ADI LTM4630A (original) | HG4630A (HGCHIPS) | Match |
| --- | --- | --- | --- |
| Package size | 15mm×15mm×6.6mm | 15mm×15mm×6.6mm | ✔ Same |
| Input voltage (VIN) | 4.5V~18V | 4.5V~18V | ✔ Same |
| Output voltage (VOUT) | 0.6V~8V | 0.6V~8V | ✔ Same |
| Output current | 36A single / 18A dual | 36A single / 18A dual | ✔ Same |
| Outputs | Dual output | Dual output | ✔ Same |
| Conversion type | Step-down (buck) | Step-down (buck) | ✔ Same |
| Footprint / package | BGA | BGA | ✔ Same |

LTM4630A is the upgraded version of LTM4630 (better efficiency and thermal performance). HG4630A covers both LTM4630 and LTM4630A; always qualify on your platform before volume use.

FAQ

## LTM4630A alternative — common questions

### Is HG4630A a direct replacement for ADI LTM4630A?

Yes. HG4630A is engineered as a pin-to-pin compatible replacement for ADI LTM4630A. Footprint, electrical specification and timing are compared against the original manufacturer's public datasheet, and the part is functionally validated before shipment.

### Do I need to change my PCB or firmware for HG4630A?

No PCB or firmware change is intended. The part is designed for the same footprint and footprint as ADI LTM4630A. Always qualify the replacement on your own board before volume use — we provide samples from 10 pcs and lot-level test reports for that purpose.

### What is the minimum order quantity?

Samples start at 10 pcs. Sample cost is credited against your first production order.

### What lead time should I expect?

Stock lines ship within 48 hours from Shenzhen. Non-stock and long-lifecycle programs are quoted with a confirmed lead time — send your target quantity and we reply within 24 business hours.

### How is compatibility verified?

Our Taiwan engineering team compares density, organization, speed grade, voltage, package and temperature grade against the original datasheet, then the part is functionally validated on mainstream platforms, with traceable per-lot records.

## Request HG4630A samples or a quote

Send your target quantity and platform — we confirm compatibility, share test reports and quote within 24 business hours.

Request a Quote · [Full HG4630A specification](https://hgchips.net/parts/hg4630.html)

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Source: https://hgchips.net/alternatives/ltm4630a.html  
Last updated: 2026-10-13