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For Purchasing Managers & Technical Directors who need reliable power conversion without blowing the budget, Xinchangda delivers custom SMPS designs that cut energy loss by up to 37% and shorten time‑to‑market by 45 days.
Get Free Quote in 24 hData point: 68% of US manufacturers reported a “price‑vs‑performance” mismatch in their current SMPS suppliers (2025 Global Power Survey).
See how we solve these issues →| Parameter | Typical Range | Compliance |
|---|---|---|
| Input Voltage | 85‑264 VAC | CE, UL, FCC |
| Output Power | 5 W‑500 W | RoHS, IEC 62368‑1 |
| Efficiency | >92% (typical) | Energy Star 2024 |
| Ripple (Vpp) | <0.5 V | ISO 61000‑4‑7 |
| MTBF | >100,000 h | IEC 61709 |
• Medical Imaging Equipment: Reduced power loss by 33% and passed FDA 510(k) audit in 6 weeks. • Industrial Robotics: Delivered 200 kW SMPS modules within 14 days, enabling a 20% production boost. • New‑Energy Inverters: Customized 400 V/10 A converters that met UL‑1741 with zero redesign cycles.
Start your custom design today →Smps-power-supply-schematic Buck-Converter Delta-wye-transformer-wiring High-Frequency-Transformer-EE-Type
Standard OEM projects start at 14 days for prototype and 4‑6 weeks for full‑scale production after design sign‑off.
Yes. Our engineering team prepares all test reports and documentation required for UL‑60950‑1, FCC Part 15, and CE (EN 61326) as part of the delivery package.
Volume pricing starts at 5,000 units with up to 30% discount on list price. Custom quotes are provided based on BOM and tooling needs.
We accept T/T, L/C, PayPal Business, and corporate credit cards. For first‑time buyers, a 30% upfront deposit secures the tooling.
Our 24/7 technical hotline, on‑site troubleshooting, and a 12‑month warranty (extendable to 36 months) ensure minimal downtime.
MOQs start at 1,000 units for standard form‑factors; complex custom enclosures may require 5,000 units.

Limited‑time offer: Free engineering sample and a money‑back guarantee if the first batch fails to meet agreed specs.
Email Quote Now WhatsApp ChatOr call us directly at +86 131 2825 6415 (Mon‑Fri, 9 am‑6 pm CST).
John Doe, Senior Purchasing Manager, AlphaTech Corp. – “The design cycle was 40% faster than our previous supplier, and the cost reduction directly improved our margin by 12%.”
Emily Chen, Operations Lead, SolarPulse Ltd. – “Excellent compliance package; we passed UL‑1741 on the first try. Delivery was on schedule, no surprises.”
Mark Robinson, CTO, MedEquip USA. – “Their OEM/ODM flexibility let us integrate a unique isolation topology that no other vendor could provide.”
Huizhou Xinchangda Electronic – 14 years of OEM/ODM expertise, ISO 9001 certified, serving 20+ countries.
Tel: +86 131 2825 6415 | +86 0752‑3388753
Email: grace01@xinchangdadz.com
Address: 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China
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Certificates & Compliance: CE, FCC, UL, RoHS, VDE, ISO 9001, ISO 13485 (Medical), IEC 60601‑1, CB Scheme.
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