美仁半导体申请电机相电流采样相关专利

Core Viewpoint - Shanghai Meiren Semiconductor Co., Ltd. has applied for a patent related to a method and device for sampling motor phase current, indicating innovation in the semiconductor industry focused on motor control technology [1] Company Overview - Shanghai Meiren Semiconductor Co., Ltd. was established in 2018 and is located in Shanghai, primarily engaged in software and information technology services [1] - The company has a registered capital of 78 million RMB [1] - According to data from Tianyancha, the company holds 8 trademark registrations and 76 patents, along with 1 administrative license [1] Patent Details - The patent, titled "Method and Device for Sampling Motor Phase Current, Chip, Motor Controller," was applied for on February 2024, with publication number CN120428089A [1] - The method involves obtaining the duty cycle of a multi-phase bridge arm within a pulse modulation cycle, determining the target sampling period, and sampling the corresponding motor phase voltage to derive the motor phase current [1] - This method allows for sampling without phase shifting and sampling point calculations, resulting in a simple algorithm that does not generate harmonics and reduces sampling costs [1]