Explore our elite range of compact, high-efficiency power modules engineered for industrial, medical, and telecom ecosystems.
Established Year
Production Base
R&D Engineers
Power Supply Models
In the modern era of industrial automation, Internet of Things (IoT) expansion, and medical instrumentation, the demand for high-efficiency energy management has reached an all-time high. Modern electronic architectures require power units that deliver higher power density in smaller profiles. Compact DC-DC and AC-DC converters serve as the heart of these modern devices, regulating voltage with minimal heat dissipation and electromagnetic interference.
Historically, power supply units were bulky, linear systems that wasted energy through heat. The shift to Switch-Mode Power Supplies (SMPS) unlocked dramatic efficiency improvements, but today's microprocessors and wireless radios require highly localized, precise, and responsive power delivery networks. From converting high-voltage vehicle battery packs down to control-level voltages, to stepping up low-voltage inputs for high-output LED matrices, the compact converter's performance dictates the reliability of the entire end application.
Globally, industries are transitioning toward smart systems, driving a high volume of procurement for customized power solutions. Organizations in North America, Europe, Japan, and beyond require products that conform strictly to local safety standards while maintaining long Mean Time Between Failures (MTBF).
Requires compliance with IEC/EN 60601-1 standards, ensuring extremely low leakage current and high dielectric isolation to guarantee patient safety in devices like handheld ECG monitors.
Necessitates ruggedized packaging capable of withstanding extreme thermal cycles, high mechanical vibration, and input voltage spikes common in factory floor PLC networks.
Pushes the limits of efficiency and compactness, calling for multi-protocol chargers and adapters with smart power distribution and high energy efficiency ratings (DOE Level VI / ErP).
Founded in 2004 in the technology hub of Shenzhen, China, ShenZhen JDI Power Supply Co., Ltd. is a national high-tech enterprise dedicated to the research, development, and high-volume manufacture of professional and custom power solutions. Spanning an independent 6,000 square meter production facility, our company combines modern machinery with a robust supply chain to manufacture power modules trusted by top-tier consumer electronics and industrial equipment brands worldwide.
Under the leadership of our Chief Engineer—who possesses 27 years of deep domain experience in power supply research—our R&D team of over 20 engineers has successfully introduced more than 1,000 unique models of power converters. Our catalog spans switching power adapters, linear power adapters, battery chargers, and smart power adapters. As a publicly-listed enterprise on China's New Third Board, JDI operates under strict financial transparency and adheres to ISO9001:2008 and ISO14001 quality and environmental management system standards.
At JDI Power, we recognize that a power converter is a safety-critical component. A failure can compromise expensive downstream microprocessors, cause thermal damage, or pose electrical safety hazards. To mitigate these risks, we have established a state-of-the-art testing laboratory equipped with advanced international instrumentation. Our comprehensive testing protocol includes:
This rigid engineering validation allows JDI power adapters and converters to comply comfortably with strict domestic and international standards, including IEC/EN 60601, 62368, 60950, 61558, 60335, 60065, UL1310, and GB4706.
Our diverse catalog of compact DC-DC converters and AC-DC adapters caters to specific, high-reliability application scenarios:
The power converter industry is undergoing a technological revolution driven by the adoption of wide bandgap (WBG) semiconductors, particularly Gallium Nitride (GaN) and Silicon Carbide (SiC). These materials offer significantly higher switching speeds and lower internal resistances compared to legacy silicon-based designs. This translates directly to reduced thermal output and smaller magnetics (transformers and inductors), allowing designers to shrink the dimensions of power adapters by up to 50% without compromising wattage ratings.
Furthermore, modern devices require digital power control loops to monitor real-time energy demand and optimize efficiency curves dynamic to loading. Additionally, smart energy standards globally continue to tighten. Exporters must design power circuits that conform to modern environmental protocols like CEC (California Energy Commission), DOE Level VI, Energy Star, ErP, and KMEPS, keeping standby power consumption to near-zero levels.
Exporting to global markets demands a complete portfolio of safety and regulatory certifications. JDI Power is equipped to deliver products approved for any destination:
CE, GS, UL, FCC, PSE, BS, SAA, KC, CCC, CQC, NCC, BSMI.
DOE, CEC, NRCAN, ERP, KMEPS, GMES.
REACH, ROHS compliance, manufactured under ISO9001 and ISO14000 quality management structures.
From laptop adapters to industrial voltage regulators, explore our secondary range of specialized power systems.
Find answers to technical and procurement-related questions about our OEM/ODM custom power design capabilities.
At JDI Power, custom projects are handled through a systematic process. Within 5-7 business days, our engineering team, led by our 27-year veteran chief engineer, produces a preliminary layout design. Once the layout is approved, we build functional prototypes within 2 weeks. The prototype undergoes complete testing inside our in-house lab, including environmental stress, thermal cycles, and EMC checks. Mass production begins once safety certifications are finalized.
Medical adapters and converters are developed with strict dielectric separation, using premium insulation tape and optocouplers to handle high voltages up to 4000VAC. We guarantee leakage currents remain below the strict limits defined by international safety standards, making them suitable for handheld healthcare diagnostics and ECG equipment.
Each batch of JDI converters is subjected to alternating temperature and humidity cycling, mechanical vibration tests, and accelerated thermal aging. This is paired with MTBF calculation checks and FMEA analysis to identify and resolve potential weaknesses before the products leave our factory.
Yes. Our smart adapters and compact converters are fully compliant with Energy Star, DOE Level VI, CEC, and European Union ErP standards. We employ advanced control chips that reduce standby power consumption to under 0.075W, meeting the strictest global efficiency regulations.
JDI Power Supply