# LTM4601 Alternative — HG4601 Pin-Compatible Replacement | HGCHIPS 📍 Zhongshan HQ · Memory & Power Import Substitution · Taiwan Engineering · US Sales Support 📧 sales@hgchips.net  |  ☎ +86 760 8992 4799  |  💬 WhatsApp: +852 9298 5589 (management) / +852 9298 5590 (sales)  |  🕑 Quote reply < 24h Home / Part Numbers / LTM4601 alternative # LTM4601 alternative — HG4601 pin-compatible module **HG4601** is a pin-compatible replacement for **ADI LTM4601**, a point-of-load DC-DC uModule regulator. It matches 4.5V~20V input, 0.6V~5V output, 12A and a BGA footprint, so no board redesign is required. Samples start at 10 pcs with lot-level test reports. Specification comparison ## LTM4601 vs HG4601 — what has to match Every field below is compared against the original manufacturer's public datasheet before a module is offered as a replacement. | Parameter | LTM4601 (original) | HG4601 (HGCHIPS) | Match | | --- | --- | --- | --- | | Package size | 15mm×15mm×6.6mm | 15mm×15mm×6.6mm | ✔ Same | | Input voltage (VIN) | 4.5V~20V | 4.5V~20V | ✔ Same | | Output voltage (VOUT) | 0.6V~5V | 0.6V~5V | ✔ Same | | Output current | 12A | 12A | ✔ Same | | Outputs | Single output | Single output | ✔ Same | | Conversion type | Step-down (buck) | Step-down (buck) | ✔ Same | | Footprint / package | BGA | BGA | ✔ Same | Compatibility is based on electrical and mechanical comparison against the original manufacturer's public datasheet. Always qualify on your platform before volume use; test reports and application support are provided. Why switch ## Reasons teams open a second source on LTM4601 📦 ### Long-term stock The HG module line is held on a long-term availability commitment — designed for programs that outlive OEM allocation. 🧪 ### Validated, not claimed Functional validation with traceable per-lot records, shipped with every lot. 🔧 ### Engineering support Footprint, thermal and loop-stability verification support from our Taiwan and Shenzhen team. FAQ ## LTM4601 alternative — common questions ### Is HG4601 a drop-in replacement for LTM4601? Yes. HG4601 is engineered as a pin-compatible replacement for LTM4601: 4.5V~20V input, 0.6V~5V output, 12A, in a BGA footprint. The land pattern and pin-out are compared against the original manufacturer's public datasheet before the part is offered. ### What do I need to verify before switching to HG4601? Verify footprint and pin-out, input and output voltage ranges, output current headroom, switching frequency and loop stability on your load, thermal performance in your layout, and output ripple. We provide datasheets, test reports and application support for every model. ### Is HG4601 in stock and what is the lead time? HG4601 is carried on our Stock / short lead basis (held on a stock / short-lead basis with a long-term availability commitment). Stock lines dispatch within 48 hours from Shenzhen; non-stock and long-lifecycle quantities are quoted with a confirmed lead time. Send your target quantity and we confirm availability the same day. ### What is the minimum order quantity? Samples start at 10 pcs, with sample cost credited against your first production order. ### How is compatibility verified? Our Taiwan engineering team compares the footprint, pin-out, voltage and current ranges against the original datasheet, and the module is functionally validated with traceable per-lot records. Always qualify on your own board before volume use. ## Request HG4601 samples or a quote Send your BOM line and load conditions — we confirm compatibility, share test reports and quote within 24 business hours. Request a Quote Full HG4601 specification → Stock & lead time ## Is LTM4601 in stock? **HG4601** is carried on our **Stock / short lead** basis — held on a stock / short-lead basis with a long-term availability commitment. Stock lines dispatch in **48 hours** from Shenzhen; long-lifecycle programmes can be price-locked. Availability is confirmed against current physical positions at quotation. ⚡ ### 48h dispatch Stock lines ship in 48 hours from Shenzhen after order confirmation. 📅 ### Lead time Non-stock and long-lifecycle programmes are quoted with a confirmed lead time — send your target quantity for a dated answer. 📦 ### Sample first 10 pcs MOQ for evaluation, sample cost credited against your first production order. Supply mode is published on our [ADI µModule stock page](https://hgchips.net/alternatives/../stock-adi.html). Stock levels and lead times are indicative and confirmed at quotation. Also comparing ## Other ADI-compatible alternatives [LTM4602 alternative](https://hgchips.net/alternatives/ltm4602.html) [LTM4607 alternative](https://hgchips.net/alternatives/ltm4607.html) [LTM4609 alternative](https://hgchips.net/alternatives/ltm4609.html) See the full [part number index](https://hgchips.net/alternatives/../parts.html) or the [ADI uModule compatible line](https://hgchips.net/alternatives/../product-adi.html). ### HGCHIPS A Zhongshan (China) based semiconductor supply partner for import substitution — pin-to-pin replacement for Samsung, SK Hynix, Micron, Nanya memory and ADI μModule power parts that are on allocation, NRND or EOL, with engineering support from Taiwan. ### Products DDR3 SDRAM DDR4 SDRAM LPDDR4 / LPDDR4X ADI μModule Compatible Original Memory Stock Cross Reference All Part Numbers ### Company About Us Quality & Testing Resources Datasheets Contact ### Contact ✉ sales@hgchips.net ☎ +86 760 8992 4799 (Zhongshan HQ) 💬 WhatsApp — management +852 9298 5589 💬 WhatsApp — sales +852 9298 5590 📍 Room 301-319, 3/F, Longde Building, Wuguishan Street, Zhongshan 528400, Guangdong, China © 2026 Zhongshan Huagong Technology Co., Ltd. (HGCHIPS). All third-party brand names and part numbers (Samsung, SK Hynix, Micron, Nanya, ADI, etc.) are the property of their respective owners and are used solely to describe compatibility. HGCHIPS parts are independently engineered replacements and are not manufactured or endorsed by the original brands. Stock levels, lead times and pricing shown on this site are indicative and confirmed at quotation. Last updated: 2026-09-27 · [Sitemap](https://hgchips.net/sitemap.xml) --- Source: https://hgchips.net/alternatives/ltm4601.html Last updated: 2026-09-28