STHL PCBA
1 / 1
Early challenges in new energy vehicle (NEV) on-board charging equipment adoption—such as weak charging signal capture, electromagnetic interference (EMI), and poor electrical safety isolation in high-voltage vehicle environments—have been overcome by specialized PCB assembly technologies, particularly high-power rigid-flex PCBs and high-precision surface mount technology (SMT).
These innovations effectively enhance the sensitivity of analog front-ends for capturing faint charging voltage and current signals, while integrating multi-layer EMI shielding layers to eliminate interference from vehicle electrical systems and external power sources.
Rigid-flex PCBs, in particular, balance compact form factors with reliable high-power signal transmission, supporting the miniaturization of on-board charging modules without compromising charging efficiency and safety.
This technological leap has enabled new energy vehicle on-board charging equipment PCB assemblies to outperform traditional charging circuits in key areas:
The primary challenges included weak charging signal capture, electromagnetic interference (EMI), and insufficient electrical safety isolation within high-voltage vehicle environments.
Specialized PCB assembly technologies, specifically high-power rigid-flex PCBs and high-precision surface mount technology (SMT), successfully addressed these limitations.
They incorporate integrated multi-layer EMI shielding layers that successfully isolate and eliminate interference from external power sources and internal vehicle electrical systems.
Rigid-flex PCBs deliver a balance of compact design and reliable, high-power signal transmission, allowing for the miniaturization of charging modules without losing efficiency or safety.
High-precision SMT and optimized layout designs increase the sensitivity of the analog front-ends, ensuring faint charging voltage and current signals are accurately captured.
