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Phone Charger PCBA – High‑Efficiency USB Power Adapter Board with GaN Technology, Multiple Output Ports & Fast Charging Protocols (PD, QC, AFC, SCP)
No.YQQX043
- Multiple Fast Charging Protocols – Supports USB Power Delivery (PD 3.0/3.1, up to 65W), Quick Charge (QC 4+/3.0/2.0), Samsung AFC, Huawei SCP/FCP, Apple 2.4A, and BC1.2. Auto‑detects connected device and delivers optimal voltage/current.
- Gallium Nitride (GaN) Technology – GaN MOSFETs enable higher switching frequency (up to 500kHz) → smaller transformer, reduced PCB size (as small as 40×40mm), and efficiency >93% (vs. 85‑88% for traditional silicon chargers).
- Multi‑Port Configurations – Single USB‑C, dual USB‑C, or combo (USB‑C + USB‑A). Independent output channels with smart power allocation (e.g., 45W + 20W when both ports used). Optional integrated retractable USB cable.
- Safety & Protection – Built‑in over‑voltage protection (OVP), over‑current protection (OCP), short‑circuit protection (SCP), over‑temperature protection (OTP), and output reverse current prevention. Compliant with IEC 62368‑1 safety standards.
- Universal Input & Low Standby Power – Accepts 100‑240V AC (50/60Hz), suitable for global use. Standby power <0.1W (meets DoE Level VI / CoC Tier 2). Optional USB‑C input (for power bank mode) – allows charger to also function as a battery‑powered portable charger.
- Applications – Suitable for: smartphone chargers (Apple, Samsung, Xiaomi, Huawei, Google Pixel, OnePlus), tablet and laptop chargers (iPad, MacBook, Dell XPS, Lenovo), travel adapters, desktop charging stations, power strips with USB ports, and smart home hubs.
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Product Overview
The Phone Charger PCBA is a compact, high‑efficiency power conversion board designed for USB chargers used in smartphones, tablets, laptops, and other portable electronics. It integrates a flyback or active‑clamp flyback topology, USB‑C interface controller (for PD negotiation), protocol decoders (QC, AFC, SCP, etc.), and secondary‑side regulation (SSR) into a small form factor suitable for plug‑in wall chargers, desktop chargers, and power strips.
With the adoption of Gallium Nitride (GaN) technology, this PCBA achieves >93% efficiency at full load, reducing heat generation and allowing for ultra‑compact designs (e.g., 30‑40mm cube for 30‑45W chargers). It replaces traditional silicon‑based chargers with faster charging speeds, lower standby power, and universal protocol compatibility – meeting the demands of modern consumers who carry multiple devices (phone, tablet, earbuds, watch) and expect single‑charger convenience.
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