移位寄存器(SN74HC164)

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拆解一个15kW新能源汽车充电模块,用了哪些芯片?
芯世相· 2025-07-01 06:20
Core Viewpoint - The article provides a detailed disassembly and analysis of the MR750-20V charging module from Magmeter, highlighting its specifications, design features, and internal components. Group 1: Product Overview - The MR750-20V charging module is designed for electric vehicles, featuring a power output of 15kW, with an input voltage of 380V three-phase AC and an output voltage range of 250-750V at a current of 20A [3][4][9]. - The module is constructed with a metal shell and includes features such as a hot-swappable design, cooling fans, and indicator lights for operational status [4][19][21]. Group 2: Internal Design and Components - The internal structure includes a single-layer PCB design with insulation materials, and the module is equipped with various electronic components such as capacitors, resistors, and integrated circuits [50][80][84]. - Key components include a PFC controller, LLC controller, and various power management ICs, which are essential for the module's functionality and efficiency [197][255][289]. Group 3: Electrical Specifications - The charging module incorporates multiple capacitors for filtering, including high-voltage electrolytic capacitors rated at 450V and 820μF, and additional film capacitors for voltage stabilization [181][227][235]. - The module features a range of protective components, including fuses rated at 30A and varistors for surge protection, ensuring safe operation under various conditions [94][100][188]. Group 4: Communication and Control - The MR750-20V includes communication interfaces for integration with vehicle systems, utilizing CAN bus technology for data transmission [267][301]. - The main control MCU is designed to operate within a wide temperature range and supports various communication protocols, enhancing the module's versatility in different applications [255][259].