Explore our leading-edge power delivery systems, GaN solutions, and custom charging designs engineered for transient immunity and optimal performance.
In modern industrial grid environments, transient overvoltages pose an existential threat to critical infrastructure. Fluctuations in supply lines, lightning events, and inductive load switching can induce peak voltages that compromise downstream semi-conductors, IoT endpoints, and high-frequency charging networks.
As a leading exporter of specialized power conversion and surge protection technology, we focus on engineering safety layers directly into circuit topologies. Incorporating Metal Oxide Varistors (MOVs), Gas Discharge Tubes (GDTs), and Transient Voltage Suppression (TVS) diodes, our products mitigate fast-rising wave fronts before they reach vulnerable logic gates.
Our methodology combines high-frequency electromagnetic compatibility (EMC) shielding with robust thermal runaway protections. This ensures that whether you are installing a high-capacity 80kW DC Fast Charger or distributing compact GaN smart adaptors, your hardware operates with high uptime and remains immune to utility-side voltage irregularities.
Global Patents (EU, US, China)
Countries Supplied Globally
New Innovations Developed Monthly
Years of Direct Manufacturing Expertise
Founded in 2011, Caiku has built a legacy of manufacturing excellence in power supply systems and computer peripheral components.
Dongguan Caiku Electronic Technology Co. Ltd. is a dedicated factory specialized in producing power adapters, surge mitigation devices, and computer peripheral accessories. Since our inception in 2011, we have undergone two comprehensive management and strategic upgrades to scale our operation into a highly responsive, modern manufacturing enterprise.
We pride ourselves on an aggressive R&D cycle, producing between 3 to 10 new power designs monthly. This fast prototyping is coupled with severe stress testing to ensure our partners receive safe, reliable, and compliant hardware designed to survive harsh real-world power environments.
Our core product line spans multi-functional USB chargers, high-frequency GaN adapters, smart wireless chargers, dynamic load balancing EV infrastructure, and customized OEM/ODM power solutions. With patents registered in the EU, USA, and China, Caiku acts as a trusted development partner to global brands.
Our operations comply with global electrical standards, offering protective circuitry across our entire portfolio.
We hold more than 20 patents internationally, safeguarding your custom product designs from duplication.
With an experienced design team, we introduce 3 to 10 proprietary new products monthly to meet shifting market demands.
From custom moldings to tailored PCB engineering, we support brand buyers through high-volume supply.
Understanding the step-by-step manufacturing and strict testing cycles behind Caiku’s high-frequency power electronics.
Operating out of Dongguan—the epicenter of global electronics manufacturing—allows Caiku to manage a highly integrated supply chain. Our facility handles raw cable extruding, component winding, outer molding, and precision testing in-house. This degree of vertical integration reduces lead times, controls manufacturing tolerances, and ensures raw materials match rigorous RoHS and electrical grade standards.
Below is a visual walk-through of our assembly lines, raw material handling, automated tooling, and quality control (OQC) setups, proving our capacity to scale for international buyers.
How our manufacturing integrates localized standardizations, preventing thermal degradation and assuring cross-border validation.
Different regions present highly distinct transient voltage profiles. For instance, the European Union specifies strict conformity to IEC/EN 61643-11 for surge protective devices, mandating specific class requirements (Class I, II, or III) depending on the point of installation. In the Americas, UL 1449 governs Surge Protective Devices (SPDs), evaluating Nominals, Clamping Voltages, and Short Circuit Current Ratings (SCCR).
Caiku integrates these requirements early in the PCB prototyping stage. Our 27W GaN adaptors designed for the Japanese market are localized to meet PSE standards, ensuring low electrical noise and stable operation on 100V grids. For heavy-duty automotive networks, such as our 80kW DC EV Fast Chargers, the designs incorporate robust multi-stage transient voltage suppression filters to pass harsh EU standard safety protocols without line degradation.
In addition to electrical safety, all products meet RoHS and Reach guidelines, ensuring green manufacturing footprints, low toxicity, and simple disposal workflows. By controlling the entire manufacturing pipeline, we prevent substandard materials from compromising insulation barriers, maintaining high dielectric strength over long service lifespans.
Embracing Next-Generation Materials: Gallium Nitride (GaN) and Silicon Carbide (SiC).
Traditional silicon-based components are reaching their physical limits concerning switching frequency and thermal management. The industry has shifted towards Wide Bandgap (WBG) semiconductors, most notably Gallium Nitride (GaN) and Silicon Carbide (SiC).
Our implementation of Super Si and GaN chips in adaptors and telecom switch components permits incredibly fast switching speeds, reducing overall heat generation and shrinking physical component footprints by up to 50%. However, high switching frequencies make circuit traces more susceptible to stray inductances and transient spikes.
To resolve this, our engineering team integrates dedicated bypass capacitors and high-frequency clamping nodes directly adjacent to the primary GaN switch. This preserves high-density power delivery while offering robust security against input fluctuations, ensuring your connected IoT hardware or computing electronics are shielded from sudden grid fluctuations.
As electric vehicles become mainstream, local distribution transformers experience severe peak loading. Installing commercial 80kW DC chargers or residential 3-phase AC chargers without control logic can trigger localized grid brownouts or transformer trips.
Caiku addresses this challenge by incorporating Dynamic Load Balancing (DLB) technologies. Our smart chargers continually poll the building's current electrical usage using external current transformers (CTs) or Modbus meters. The charger dynamically throttles its output current in real-time, preventing circuit overload.
Importantly, our DLB algorithms are paired with transient filter stages. As the charging current changes rapidly, the inductance within the supply cable can induce voltage spikes. Our built-in protection ensures these dynamic transitions are absorbed harmlessly, guaranteeing clean power delivery to the EV battery management system.
Get answers to critical technical questions concerning industrial protections, compliance, and custom power electronics procurement.
Type 1 (Class I) SPDs are installed at the main electrical service entrance to protect against direct lightning strikes (10/350 μs wave shape). Type 2 (Class II) devices protect distribution panels from overvoltages caused by local switching transients and indirect lightning (8/20 μs wave shape). Type 3 (Class III) SPDs offer point-of-use protection directly for end devices, ensuring sensitive electronics are protected against residual overvoltages.
GaN has a higher bandgap, higher breakdown voltage, and faster electron mobility than silicon. This allows chargers to switch at much higher frequencies with lower switching losses. The result is a substantial reduction in internal component size (heatsinks, transformers) and a notable boost in efficiency—often exceeding 92-95%, compared to standard silicon chargers which operate around 85-88% efficiency.
We design multi-tier thermal safeguards into our products. This includes high-performance thermal interface materials (TIMs) that channel heat to structural casings, NTC thermistors to monitor key junction temperatures, and automated shut-down logic that reduces output current if internal temperatures exceed safety margins. In our surge suppression circuits, we use thermally protected metal oxide varistors (TMOVs) that safely disconnect in the event of continuous overvoltage anomalies.
Yes. Caiku has a robust R&D wing capable of designing entirely new housings, modifying PCB traces, altering current/voltage output ratings, and developing custom firmware for smart charging applications. We also manage packaging design, localized rating plate labels (such as UL, CE, FCC, PSE), and handle custom component sourcing to match your specific supply chain requirements.
Every production batch undergoes a comprehensive testing sequence including: dielectric strength tests, high-pot isolation checks, cable strain relief durability tests, salt spray corrosion testing for connectors, thermal imaging under full load, and EMC verification using our network analyzers. Before packaging, 100% of our products undergo a functional burn-in test to weed out early life failures.
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Caiku Electronic