Explore our flagship power supply modules designed for extreme reliability, precision thermal control, and seamless compliance across multiple international jurisdictions.
The power adapter market has evolved from static energy modules to dynamic, high-density, multi-protocol charging hubs. Today's commercial and industrial electronics necessitate custom OEM/ODM adapters capable of delivering maximum throughput with minimal thermal footprints.
Global demand for intelligent charging technologies is fueled by the saturation of USB-C interfaces, strict power limits imposed by Energy Star and Tier 2 European regulations, and the proliferation of high-power mobile terminals. For enterprise buyers, selecting a reliable manufacturer is no longer just about per-unit costs. It requires a partner with deep validation and testing capacities, robust supply chain strategies, and global regulatory compliance.
Whether deploying 20W PD solutions for consumer devices or high-capacity 192W units for critical medical machinery, modern adapters require Active Clamp Flyback (ACF) topologies, high-frequency planar transformers, and advanced EMI suppression circuits. The transition to Gallium Nitride (GaN) devices is shifting the limits of power density, achieving efficiency rates beyond 95% while reducing the physical volume of adapters by up to 50%.
We work at the intersection of consumer technology, medical validation, and heavy industrial AC-DC/DC-DC power conversion, producing robust, certified solutions that protect device lifecycles and increase charging efficiency.
Established in 2004, ShenZhen JDI Power Supply Co., Ltd. is a national high-tech enterprise specializing in the design, testing, and production of custom high-reliability power converters.
Over 20 years of technical expertise in power converter engineering.
Independent manufacturing base with advanced assembly lines.
Led by a Senior Power Engineer with 27 years of research experience.
A diverse portfolio across medical, industrial, and consumer sectors.
Operating out of our 6,000-square-meter facility in Shenzhen, JDI Power Supply integrates raw material procurement, high-precision SMT placement, advanced wave soldering, and automated post-assembly testing. We have systematically upgraded our operations to meet ISO9001:2008 and ISO14001 environmental and quality standards. We are also listed as a New Third Board enterprise, reflecting our financial transparency and commitment to growth.
Our engineering team focuses on customized development, matching power delivery profiles to specific application needs. From massage chairs and smart home ecosystems to medical monitors and industrial frequency converters, we tailor our hardware to prevent transient failures, excessive heat generation, and electromagnetic interference.
Our state-of-the-art testing facility evaluates new adapter designs against rigorous industrial and environmental parameters before production.
Conducted in specialized chambers to guarantee compliance with CISPR 32/EN 55032 emissions criteria, optimizing filtering circuits to eliminate line noise.
Thermal stress tracking, FMEA (Failure Mode and Effects Analysis), high-low temperature cycling, and alternating hot/humid tests protect components against degradation.
Continuous accelerated aging, mechanical vibration, physical impact, static electricity, and MTBF (Mean Time Between Failures) calculations confirm lifetime durability.
| Evaluation Phase | Test Parameters & Methods | Compliance Standards Met |
|---|---|---|
| Thermal Endurance | Alternating hot and humid cycles, High-Low temp loop (-40°C to +85°C) | IEC/EN 60068 Series |
| Safety & Isolation | Creepage/clearance check, Hi-Pot voltage protection, dielectric breakdown | UL1310, IEC62368, IEC60601-1 |
| Mechanical Resilience | Vibration tables, multi-axis shock impulse tests, drop tests | GB4706, IEC60068-2-27 |
| EMC Compatibility | Radiated & conducted emissions profiling, electrostatic discharge (ESD) immunity | EN 55035, EN 61000 Series |
From smart home appliances to medical diagnostic environments, JDI Power adapters deliver stable current profiles across diverse real-world applications.
Medical environments require rigorous electrical isolation to protect patients and operators. Our medical-grade desktop and wall-plug power adapters conform to IEC 60601-1 safety requirements, featuring 2xMOPP (Means of Patient Protection) isolation. Equipped with ultra-low leakage current parameters (<100μA), they power medical monitoring devices, oxygenators, and portable electrocardiogram (ECG) units.
For industrial automation, we build Variable Frequency Drives (VFDs), phase converters, and step-down DC-DC modules. These components are designed to withstand transient overvoltages, line surges, and dust ingress. Our IP54 protect-shielded AC drives and industrial voltage regulators ensure motor speed stabilization and efficient power distribution, even in demanding environments.
Modern workplaces rely on high-wattage charging infrastructure. JDI provides compact, fast-charging solutions like our 20W PD and multi-port GaN power adapters. These chargers support automated power negotiation, dynamically shifting outputs to protect device batteries from overcharging and thermal spikes.
Our operations leverage the deep electronic manufacturing ecosystem of Shenzhen to deliver cost-effective, high-quality, and agile manufacturing.
Located in Shenzhen, we source premium semiconductors, magnetic materials, and PCBs within a 50-mile radius, speeding up prototyping and custom product development.
Equipped with high-speed SMT machines, automatic wave soldering, and ATE (Automated Test Equipment) networks, we maintain consistency across production runs.
Our material control systems manage raw stock buffers, insulating clients from microchip shortages and freight bottlenecks to ensure reliable delivery schedules.
JDI Power supply units conform to strict international requirements, simplifying market entry and deployment for our global partners.
Our engineering team handles standard safety testing and manages the transfer of regulatory approvals to OEM clients. By aligning our hardware layout with creepage, clearance, and isolation barriers early in development, we reduce test-house iteration times and help our partners launch products faster.
We are continuously upgrading our power platforms to deliver higher efficiency, better thermals, and smarter power distribution.
By transitioning from silicon MOSFETs to Gallium Nitride (GaN) and Silicon Carbide (SiC) switches, we significantly reduce reverse recovery losses. This allows our adapters to operate at higher switching frequencies (up to 300kHz), shrinking transformer size and overall device footprint.
To support high-power devices, we are integrating USB-PD 3.1 controllers into our designs. This upgrade enables single-port power delivery of up to 240W (48V at 5A), providing clean, efficient power for gaming laptops, portable workstations, and high-draw industrial electronics.
Our multi-port adapters utilize intelligent dynamic load balancing algorithms. The system monitors output demands in real-time, automatically adjusting power profiles across connected devices to maximize charging speeds and protect battery lifecycles.
Discover our comprehensive collection of industrial converters, smart adapters, and medical-grade power supplies built for reliable, long-term performance.
Answers to common technical, design, and regulatory questions from enterprise buyers and product engineers.
Our medical adapters are engineered with reinforced isolation barriers, achieving a dielectric strength rating of up to 4000VAC. We maintain creepage and clearance distances of at least 8.0mm to satisfy 2xMOPP (Means of Patient Protection) safety standards, limiting touch and patient leakage current to less than 100μA under fault conditions.
GaN transistors operate at higher switching frequencies and offer lower Rdson (on-state resistance) compared to traditional silicon. This allows us to design smaller transformers, reducing adapter volume and weight while achieving over 94% efficiency. This design minimizes heat generation, allowing for compact, fanless housings.
Yes. We regularly help OEM/ODM clients transfer certificates (such as UL, CB, GS, PSE, and KC) to their own brands through certificate modifications and multiple-listing applications. Because our base modules are pre-approved, this process is faster and more cost-effective for our partners.
We provide comprehensive customization for industrial power hardware, including variable input voltages (e.g., 380V to 480V three-phase), custom output frequencies (up to 400Hz), enhanced thermal management systems, and specialized communications interfaces (such as Modbus or CAN bus) for automated industrial environments.
Every new design undergoes a battery of stress tests, including high-temperature burn-in (under full electrical load at 45°C–50°C), thermal shock testing, and multi-axis vibration profiles. We also complete FMEA (Failure Mode and Effects Analysis) and reliability calculations to ensure our power adaptors deliver long-term performance in their target environments.
JDI Power Supply
