Core Viewpoint - The article discusses the disassembly of a small electric vehicle driver, highlighting its components and the quality of materials used, indicating a trend in the industry towards higher quality despite competitive pressures. Group 1: Product Specifications - The electric vehicle driver has a compact size, with a casing length of approximately 100mm, which is considered small for this type of device [4] - The rated voltage is 48V with a current of 17A, resulting in a power output of 800W, which is significant for its size [6] - The driver utilizes an Infineon XMC1302 microcontroller, which is more expensive than typical low-cost MCUs, suggesting a focus on quality [17] Group 2: Component Analysis - The driver includes a 680uF input electrolytic capacitor rated at 63V and several 100uF capacitors in the motor drive circuit [21][23] - A DC-DC converter from Silan Micro (SD4938) is used to step down the 48V input for the MOS driver circuit, designed to handle high voltage and reverse electromotive force [25] - The driver employs six NMOS transistors from Silan Micro (SVT077R5NT), rated for 68V and 95A, indicating robust design for high current applications [33] Group 3: Market Insights - The article reflects on the competitive landscape of the electric vehicle driver market, noting that despite the high-quality materials used, the market has become saturated and competitive over the years [40] - The use of premium components in the driver raises questions about its cost competitiveness in a market that has become a "red ocean" [40]