Recently, the market of Power Bank has received many important benefits, and the market has grown strongly, becoming the first category to recover and break through many 3C accessories.At present, the new national standard of Charging Treasure has been implemented, the global tourism market has recovered, the iPhone has switched to the USB-C port, and other hot spots have been frequent. In addition, the energy density and discharge rate of the battery cell have also made breakthroughs. The integration of the chip of Charging Treasure has reached a new high, and the power of Charging Treasure has increased from 10W to 240W, a sharp increase of 24 times, which can be called a performance boom.
The 2023 USB-C high-power charging bank technology seminar held by the charging head network has been broadcast live on the public account of the charging head network and the Bilibili platform on September 15.This time, the charging head network invited dozens of professionals from well-known enterprises in the rechargeable treasure industry to answer questions, discuss and share the latest market trends and dry goods.Promote the development of charging technology, improve user experience and promote the progress of the industry.Including ZhuhaiZhirongTechnology Co., Ltd. (hereinafter referred to as:Zhirong)Invited to attend, bringing《ZhirongThe application of charging and discharging products on high-power charging treasure ", sharing the development trend andZhirongThe application advantages of Sci Tech charge and discharge management chips in the field of mobile power supply, as well as some design and application solutions.
The guest of this speech is ZhuhaiZhirongMr. Sun Yang, Technical Marketing Manager of Science and Technology Co., Ltd.
Mr. Sun Yang, who graduated from Central South University in 2007, has been committed to the application and promotion of power chips for many years and has rich experience in the fields of AC-DC, DC-DC and wireless charging.Now, he is the technology market manager of Zhirong Technology, and is fully responsible for the technology and promotion of AC-DC, DC-DC, and wireless charger related products.
Established in 2014, Zhirong Technology focuses on the design and development of mixed signal analog chips and is committed to becoming the world's top digital analog chip design company.
Zhirong Technology is headquartered in Tsinghua Science Park, Zhuhai, with a registered capital of 45 million yuan and a product release volume of 120+. It has set up branches/subsidiaries in Shenzhen Hanjing Center, Chengdu Oriental Hope Building and Shanghai Kaike International Building, with a total number of 240+employees, 140+technical patents, 3000+transaction end customers, and a cumulative number of more than 600 million chips shipped. It is a Zhuhai unicorn seed enterpriseThe national small giant enterprise specializing in new products and vice president of Zhuhai Semiconductor Association won the China Core New Product Award and China Patent Excellence Award.
The development process of Zhirong Technology.The company set sail in 2014, established Shenzhen Branch in 2016 and passed the certification of high-tech enterprises.In 2017, the industry began to make breakthroughs, launched the first PD full protocol fast charging mobile power chip in the industry, passed the ISO quality management system certification in 2018, and was elected as Zhuhai Unicorn Seed Enterprise and Innovation and Entrepreneurship Team in 2019.In 2020, its sales exceeded 100 million yuan. Its product SW3516H won the "China Core" Award for cutting-edge products, and was rated as a specialized, refined, special and new small and medium-sized enterprise in Guangdong Province. In 2021, it completed hundreds of millions of yuan of financing for Pre-A and A rounds, and completed share reform. At the same time, Chengdu and Shanghai branches were established, and won the title of China IC Unicorn.In 2022, it won the national level small giant enterprise specializing in specialty, novelty and excellence award of the 23rd patent award, and was selected as Guangdong Engineering Technology Research Center in 2022.
From 2023 to 20252023.Q2, we completed the certification of intellectual property standards implementation system, passed the ISO26262 and AEC-Q100 certification of automotive electronics, and started the consumer electronics, automobile, and pan industry.
The development of power bank can be divided into five generations.
The first generation was the first generation of large size and small capacity power bank from 2001 to 2006, and there were basically no security measures. At that time, there were few mobile electronic devices and the market was not large.From 2007 to 2010, when the second generation of power bank appeared, it could basically meet the demand of various electronic products at that time.From 2011 to 2013, the third generation of power packs began to be popularized on a large scale. At this time, the technology of power packs was more mature, more protective, and more powerful.By the fourth generation of power bank from 2014 to 2018, the power bank market has ushered in the opportunity of rapid development, and began to improve the power density and capacity.From 2019 to now, the fifth generation of power bank has become more and more secure and has more and more capacity. At the same time, with the popularity of PD fast charging, it can also charge electronic devices such as laptops, tablets, drones, etc.
The development trend of power bank is mainly higher charging power, better temperature rise performance, larger capacity, more compatible output ports, multi battery Buck boost charging, low power consumption and high integration.
At present, the Zhirong product line mainly focuses on two-way PD fast charging, multi port output, full protocol fast charging, and fully integrated solutions.The manufacturer of the power bank can select from the selection table of the Power Bank SoC according to the demand, or contact Zhirong to customize the fast charging input and output solutions for single and multiple batteries.
The above is a simple scheme of Zhirong DEMO board. The chip series of Zhirong's rechargeable treasure products have many outstanding features. For example, the products customized for the mobile power market have been shipped nearly 200 million pieces, the market share of fast charging mobile power is more than 60%, the simple BOM, simple design, and one chip integrates all functions,Integrated Switch Charger/electricity meter/Boost DCDC/LDO/188 digital tube drive.
SW6228 is a highly integrated multi in one chip dedicated to multi protocol bidirectional fast charging mobile power supply. It adopts QFN-48 (6x6mm) packaging process, with charging current up to 4A. It is a monolithic integrated SwitchCharger+coulometer+Boost DCDC+LDO+multiple fast charging protocols+188 digital tube driver, and supports any fast charging at A+A+B+C+L ports.The output power of automatic load detection/light load detection is up to 22.5W.Only a few devices are needed in the periphery to form a complete high-performance two-way fast charging mobile power solution.It can be applied to mobile power supply and other battery powered equipment.
Zhirong SW6306 is applicable to 4.2V/4.3V/4.35V/4.4V ternary battery and 3.65V lithium iron phosphate battery. The input voltage range is 4~26V, the output voltage is 3.3~26V, and it has 10mV voltage regulating step. Users can configure charging power and discharge power through external PIN, up to 100W. It supports I2C to set charging target voltage, charging current, battery terminal and output terminal current limiting, and MPPT function,It can charge the solar panel, intelligently identify the maximum current of the adapter and automatically adjust the charging current, seamlessly switch the voltage rise/drop mode, and automatically switch PWM and PFM modes according to the load size to provide a more flexible charging management scheme.
Zhirong SW6306 has extremely high reliability. The withstand voltage of VBUS and VBAT exceeds 32V, that of DPDM and CC exceeds 28V, and that of chip level HBM exceeds 4K.It is packaged with QFN60 and has a compact structure, which can be used in the field of mobile power supply and outdoor power supply.
Charging and discharging management scheme 1 of Zhirong high-power mobile power supply.
USB-C charging and discharging port adopts the combination of SW2505 and SW7201, which supports charging and discharging of 1-4 batteries, PD100W bidirectional charging and discharging, CA port, C bidirectional, UFS, Supvooc, OCP, OVP, OTP, and UVLO protection.The discrete architecture is adopted, and the application is very flexible, bringing very good heat dissipation. The SW2505 has its own MCU, which supports customized output ports and can be increased or decreased as required.
USB-C/A discharge port adopts SW3566.Support UFCS/PD3.1/PPS SPR Support EPR 28V, MO CPU. The frequency is up to 40MHz, integrated switch step-down converter, support maximum 7A output current, support 140W (28V 5A) power output, support 12C Master/Slave, UART and multi-channel GPIO and GPADC.
Zhirong SW2505 is a low-power bidirectional USB-PD controller with embedded MCU, full protocol support such as PD3.1 fast charging, UFS integrated fast charging, etc. It has up to 16 GPIOs, supports online upgrade of C port, supports online simulation debugging, supports multiple protection mechanisms, internal integrated output CV/CC loop control, NMOS drive control, and can be widely used in adapters, car charging, mobile power, HUBDisplay and other equipment.
SW7201 is a high-efficiency synchronous 4-tube bidirectional voltage rise and fall charge and discharge controller, which adopts QFN-32 (4x4x) packaging process, supports charge and discharge management of 1-4 batteries, supports I2C control, can provide a maximum power output of 100W, supports multi-channel input and output detection and path drive, and can form a simple and complete bidirectional fast charge scheme with MCU and protocol chip.It can be used for outdoor energy storage, laptops, tablets and other products to provide complete charging and discharging solutions.
Zhirong SW3566 is a highly integrated multi fast charging protocol dual port charging SOC chip, which adopts QFN32 (4x4) packaging process, supports I2C communication, can achieve various logic control and power switching, and integrates 7A high-efficiency synchronous buck converter, with a maximum output power of 140W.Integrated CC/CV mode, dual port management logic and bus voltage detection, with a variety of protection mechanisms to protect the safety of terminal products.In addition, the built-in Cortex-M0 CPU can meet the customization requirements of the fast charging protocol, and can be applied to mobile phones, tablets, laptops, game consoles, mobile power supplies and other products. It has very strong and excellent compatibility to meet the development needs of manufacturers' fast charging products.
Charging and discharging management scheme 2 of Zhirong high-power mobile power supply.
Scheme 2 uses the SW6306 highly integrated four port multi protocol voltage rising and dropping mobile power supply SOC. One chip can integrate a two-way voltage rising and dropping controller to realize the charging and discharging of efficient voltage rising and dropping switches. It can charge 2-6 lithium batteries and 2-7 lithium iron phosphate batteries, providing complete charging cycle management, including trickle down, constant current, constant voltage, charge cut-off and recharge functions.
The scheme also supports a maximum charging power of 100W and wireless charging mode, integrates multiple functional modules in a chip, greatly reduces the number of peripheral devices, reduces the system cost, reduces the volume and weight, and has a variety of security protection mechanisms, making the product more convenient and charging more safe and efficient.The scheme can be used for mobile power supply, outdoor power supply and other products.
The above is the charge and discharge management chip Roadmap of Zhirong. The first four SW6008, SW6228, SW7201 and SW7203 have been delivered in mass production.
Four series products of SW601X series, SW6236, SW6308 and SW7208 are under development.SW601X supports 10-15W charge and discharge, SW6236 supports 22.5W charge and discharge, SW63082-6 batteries charge and discharge and up to 100W (20V/5A) charge and discharge, SW7208 supports 1-5S series lithium battery bi-directional voltage rise and fall charge and discharge tube lithium, and supports PD3.1 protocol 140W discharge and PD3.0 100W charge.
The three models in the plan are SW6316 built-in power MOS, voltage rise and drop architecture, support IIC, support 2-6 battery charging and discharging, and it is a 30-45W power bank SOC.SW6XXX products have built-in MCU, and the parameters can be customized at will. External power MOS tubes can be used for high-power output, with a wide range of constant temperature ring configuration. It supports the requirements of 62368 standard and the new national standard.SW722X supports 3-10S series lithium battery bi-directional voltage rise and fall charge and discharge management, supports PD3.1, and can charge and discharge up to 240W (48V/5A).
The above are some mobile power products with additional functions, such as travel charging+power bank products, wireless charging+power bank products and other products. They are mobile power products developed for people with different needs.
The above is a wonderful speech on the application of Zhirong charging and discharging products in high-power charging treasure.
Summary of charging head network
With the popularity of PD fast charging and Type-C interface, the power bank is developing towards the direction of high integration, large capacity, high compatibility and high power. The service object of the power bank is no longer limited to the power supplement demand of low-power electronic equipment, but can charge laptops, light electric vehicles, unmanned aerial vehicles and other high-power products.
The two charging and discharging management schemes of high-power mobile power proposed by Zhirong in this speech are also developing in this direction, and the scheme of Zhirong has greatly reduced the number of peripheral devices, reduced the system cost, reduced the volume and weight, and has a variety of safety protection mechanisms, making the product more safe, efficient and portable,It can be applied to most of the high-power fast charging mobile power applications in the market, helping the manufacturers of power bank to create safe, reliable and efficient power bank products, so that users can use the high-power mobile power from the top.