拆解绿驹电动车黑鹰控制器：看国产替代芯片如何上位

Core Viewpoint - The article provides a detailed teardown of the Black Hawk 2Si-12 controller used in the Green Horse electric vehicle, highlighting its components, design, and manufacturing quality. Group 1: Product Specifications - The controller operates at a voltage of 72V and a current of 32A, with the product launched in June 2021 [2]. - The main control chip is the AT32F421C8T7 from Yateli, indicating a shift towards domestic 32-bit MCUs in the market [36]. Group 2: Design and Construction - The controller features a C-shaped aluminum alloy shell with a well-executed potting process for waterproofing [11][14]. - The PCB design integrates power and signal management on a single board, utilizing floating copper busbars for power distribution [22]. Group 3: Component Analysis - The controller uses two 330uF 100V electrolytic capacitors for power input [27]. - The MOSFETs are from China Resources Microelectronics, specifically the SKD503T model, with a VDS rating of 100V and Rdson of 3.6mΩ [31]. - The DC-DC buck converter is a SD4938 from Silan Micro, designed for switch-mode power supply applications [38]. Group 4: Market Context - The article notes the increasing use of domestic components in the wake of supply shortages and price hikes over the past 20 years, reflecting a trend towards localization in the semiconductor industry [36][44].