Preface
MCU, also known as single-chip microcomputer, is a chip-level computer that integrates CPU, storage, peripheral interfaces and other components and functions on a single chip with control functions, due to the highly integrated design, MCU is widely used in embedded systems, sensor control, automation control and other scenarios that need to be controlled. DSP is a type of chip specially optimized for digital signal processing, which can perform complex algorithms and high-speed digital signal processing tasks. In the fields of audio processing, image processing, and communication systems, compared with MCUs, DSP chips have stronger computing power and can run more complex algorithms to meet the needs of various real-time signal processing.
With the continuous advancement of technology, an MCU product that combines the characteristics of MCU and DSP has appeared on the market, which not only retains the general-purpose computing power and rich peripheral interfaces of traditional MCUs, but also integrates high-performance DSP cores for a wider range of application scenarios. The emergence of MCUs with built-in DSP cores provides a more ideal solution for scenarios that require both general control functions and certain algorithms.
Charging equipment with integrated DSP core MCU
德州仪器TMS320F280025
TI Texas Instruments TMS320F280025 C2000 series real-time microcontrollers, with a built-in 32-bit DSP core at 100MHz, integrated FPU and TMU, and built-in 128KB flash memory. It can be used for industrial motor drive, motor control, photovoltaic inverter, digital power supply, electric vehicle and transportation, sensing and signal conditioning applications, and is available in LQFP-80, LQFP-64, and LQFP-48 packages.
Application examples
Anker PowerHouse 767 - 2048Wh | 2300W氮化镓户外电源
Anker's power station is designed with a trolley case and is equipped with silent wheels and carry handles for easy daily handling. The outdoor power station has a built-in 2048Wh lithium iron phosphate battery, which supports 2300W inverter output and 2200W charging input, and supports solar panel charging input at the same time, and is equipped with an extended battery interface, which can additionally expand the capacity of 2048Wh to meet the needs of long-term use.
Related Reading:
1、拆解报告：Anker PowerHouse 767 - 2048Wh | 2300W氮化镓户外电源
Electric Xiaoer Outdoor Power Station 1000 Pro 2
The new generation of electric power station 1000 Pro 2 has made major upgrades in many aspects such as charging speed, output power, safety and durability. The three charging methods of mains, solar power and on-board car charger allow users to recharge with peace of mind wherever they go, and the higher AC inverter output power makes it not a problem to use on-board refrigerators, electric kettles, frying pans and other equipment. In addition, it is equipped with a variety of DC output ports to meet the charging needs of laptops and mobile phones. The new upgrade brings a better experience to users' outdoor recreation, outdoor operation and emergency backup and other power consumption scenarios.
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The new generation of electric Xiaoer outdoor power station 1000 Pro 2 disassembly: new safe fast charging technology, fine workmanship and reliable quality
移族2000W 2009Wh户外电源 墨M2000
The charging head network got the M2000 outdoor power station launched by the mobile family, this outdoor power station uses a quasi-solid-state battery, a single capacity of 2 kWh, a rated AC output power of 2kW, two outdoor power stations connected to 4 kWh, supporting 4kW power output. The outdoor power station has a built-in bidirectional inverter module and a built-in gallium nitride device to improve conversion efficiency and reduce heat generation. The outdoor power station has the function of battery preheating, and can be charged and discharged normally in an environment of minus 30 degrees.
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Teardown Report: Shifter 2000W 2009Wh Outdoor Power Station Ink M2000
意法半导体STM32F334R8
意法半导体STM32F334R8是一颗内置DSP和FPU的混合信号MCU，内置Cortex-M4 CPU，主频达72MHz，内置64KB Flash和12KB SRAM。 具备I2C接口，SPI接口，三个USART接口和一个CAN总线接口，提供LQFP32、LQFP48、LQFP64、UFQFPN32、WLCSP49多种封装形式。
Application examples
Geely 2kW portable DC charger
The Geely Panda mini electric vehicle DC charger is a portable design, similar in appearance to the on-board AC charging gun, with the charger body in the middle section and a charging circuit inside. The charger supports 175-265Vac input, the output voltage is 250-500VDC, the maximum output current is 5.5A, and the output power is 2kW. There is a cooling fan inside the charger to accelerate air circulation and dissipate heat.
Related Reading:
Teardown report: GEELY Geely 2kW Portable DC Charger
国民技术N32G457VEL7
国民技术N32G457VEL7芯片内置32位ARM Cortex-M4内核，最高主频144MHz，支持浮点运算和DSP指令，集成512KB FLASH和144KB SRAM，集成UART，I2C，SPI，QSPI，USB，CAN和SDIO等通信接口，内部集成密码算法硬件加速引擎，采用LQFP64、LQFP80、LQFP100、LQFP128多种封装。
Application examples
BYD 7kW wall-mounted AC charging pile
BYD wall-mounted AC charging pile is a single-phase 220V power supply, supporting 7kW charging power, and the charging pile has a built-in NFC card reader function, which supports card swiping to meet personal household use. There is a red and green indicator light on the body of the charging pile, which is used to indicate the charging status and fault information, and an emergency stop button is provided, which can immediately disconnect the output of the charging pile in an emergency.
Related Reading:
Teardown report: BYD 7kW wall-mounted AC charging pile
Summary of the charging head network
With the continuous development of charging technology in the direction of high efficiency and high power, charging algorithms are becoming more and more complex in the field of high-end charging equipment such as outdoor energy storage power supplies and new energy vehicles. Such charging equipment not only needs to have basic charging functions, but also needs to be able to intelligently identify the type of charging equipment, optimize charging efficiency, protect battery safety, etc. In order to meet the needs of these complex algorithms, MCUs with integrated DSP cores have become the ideal choice.
Through the built-in DSP core, these MCUs can efficiently process charging algorithms and achieve refined charging control. Whether it's adjusting the charging current and voltage based on the real-time state of the battery, or predicting the charging time through intelligent algorithms, the DSP core provides powerful computing power. At the same time, the integration of the DSP core also makes the MCU more efficient in terms of control functions, which can quickly respond to various adjustments of users to ensure the safety and stability of the charging process. Therefore, MCUs with integrated DSP cores have become an indispensable part of intelligent charging for charging equipment such as outdoor power supplies and new energy vehicles.
Some of the information in the article comes from the Internet, and is affected by the timeliness of the case, please forgive me if there are any omissions.