Preface
MCU is the abbreviation of Microcontroller Unit, also known as "single-chip microcomputer", which integrates the simplified CPU, memory, counter, I/O interface, etc. on a chip to form a chip-level computer, which can realize targeted control of the device. Nowadays, there are many cores of microcontrollers, such as AVR, ARM, PIC, Power PC, RISCV, etc., and developers can choose the MCU with the corresponding core according to the actual development environment.
Whether it is mobile phones, home appliances, industrial control systems, automotive electronic systems or communication equipment, MCUs are needed to achieve control, monitoring and regulation functions, and MCUs provide ideal solutions for various control needs with the advantages of versatility and standardization, flexibility, low cost, reliability, and low power consumption.
The MCU that appears in the text
Recently, the charging head network has learned that there are a number of PD3.1 mobile power banks with built-in MCUs, which are used to realize many functions such as screen display and power control. The MCU part that appears in the article is shown in the figure, and the following editor will introduce it to you in detail.
东软载波ES32F3654LT
Neusoft Carrier ES32F3654LT is a 32-bit ARM M3 core MCU, with a frequency of up to 72MHz, integrated 256 KB FLASH and 48K SRAM, built-in 12-bit ADC and DAC, built-in comparator, temperature detection, I2C, SPI, UART and CAN bus interfaces, and LQFP64 package.
Application examples
Anker 140W 2C1A bidirectional fast charging power bank
Anker's 140W bidirectional fast charging power bank is the first power bank that supports the USB PD3.1 protocol and has 140W bidirectional fast charging capability. Thanks to the advantage of input power, it can be charged to 70% in 30 minutes, which is truly easy to use and practical. This power bank has three fast charging interfaces of 2C1A, and supports three fast charging channels at the same time. The digital display screen also adds practicality to this power bank, which can better understand the power and usage status.
Related Reading:
Teardown report: Anker 140W 2C1A bidirectional fast charging power bank
沁恒CH32V303RCT6
Qinheng CH32V303RCT6 is an industrial-grade general-purpose enhanced MCU based on 32-bit RISC-V instruction set and architecture design, built-in 64K SRAM and 256K Flash, with a frequency of 144MHz, with I2C, I2S, SPI, USART, SDIO, CAN controller and other interfaces, using LQFP and QFN two package forms.
Application examples
CUKTECH 20号超级电能柱P23
CUKTECH No. 20 Super Power Column has a built-in 25000mAh large-capacity battery pack, with a total output power of 210W and a maximum output power of 140W for a single port, which supports powering three devices at the same time. The power bank is equipped with a 2C1A interface, the USB-C port supports 140W and 60W fast charging, and the USB-A port supports 30W fast charging. The fuselage is equipped with a screen and a light strip, which can display the status of the power bank, which is convenient to check the charging status, which increases the selling point of the product.
Related Reading:
拆解报告:Cooktech 20号超级电能柱P23
中微半导体BAT32G135GE32NA
AMEC BAT32G135GE32NA is an MCU with a built-in 32-bit ARM M0+ core, with a frequency of 64MHz, built-in 64KB + 1.5KB memory and 8KB SRAM memory. It is used for battery percentage and input and output power display in a QFN32 package.
Application examples
CUKTECH 40000mAh 300W P+Series充电宝
This power bank launched by CUKTECH has a square shape and a side design display, which can display the battery level and input and output power. The power bank has a built-in 40000mAh large-capacity battery, with 2A2C interface, USB-C interface supports 140W and 100W two-way fast charging respectively, USB-A port supports 120W and 22.5W Xiaomi private fast charging, and there is a wireless charging area at the top. With a total output power of 300W MAX, it is capable of charging mobile phones and laptops at the same time, making it an all-rounder.
Related Reading:
拆解报告:Cooktech 40000Mah 300W PeopleSeries充电宝
Summary of the charging head network
In the current power bank market, many power banks have a single function and can only display basic power information. The application of MCU in mobile power supply has significantly improved its playability, helping manufacturers to add various features such as power control, status display, various lighting effects, etc., to meet the needs of some geek gamers.
It can be seen that MCU can add a variety of functions to the product at a low cost in the practical application of mobile power supply, bringing personalized choices and fun to users. With the continuous progress of technology and the continuous expansion of application scenarios, it is believed that the role of MCU in the field of mobile power will become more and more important.