Preface
With the rapid development of the power tool market, the continuous innovation of battery technology has become one of the key driving forces, and an excellent buck-boost chip for power tools is indispensable, which can optimize energy efficiency and improve the performance and life of the battery by intelligently adjusting the voltage of the battery. This feature enables power tools to manage power more intelligently and provide more stable and reliable power support.
With the widespread popularity of the USB-C interface, it is now the most widely used interface standard in the world. Various devices such as mobile phones and power tools have adopted the USB-C interface as the primary connection standard, so a buck-boost fast charging chip that supports the USB C port can bring a more convenient and faster charging experience.
Summary of Yingjixin buck-boost USB-C fast charging chips
At present, Yingjixin has launched five buck-boost USB-C fast charging chips for power tools in this field, namely IP2363, IP2366, IP2368, IP5385 and IP5389, with an output power of 30-140W to meet the diverse application needs of customers. Users can choose according to their own needs.
Next, Charger will provide you with a detailed analysis of these five chips, in-depth discussion of their characteristics, performance, and applications in the field of power tools. Through a comprehensive analysis, we will show you the technical highlights of these chips and their potential advantages in meeting user needs and improving the performance of power tools.
IP2363
Yingjixin IP2363 is a buck-boost SOC chip designed for charging multiple strings of lithium batteries, this chip has built-in PD3.0 protocol, supports PD fast charging and DP&DM fast charging power supply, and supports 5-20V input voltage. When the input voltage is lower, equal to or higher than the battery pack voltage, the input voltage can be converted to a suitable voltage to charge the battery pack.
IP2363 supports charging 2-5 strings of lithium battery packs, basically covering the voltage range of handheld power tools. It supports the use of ternary lithium batteries and lithium iron phosphate batteries, and the number of battery cells and charging power can be configured by the resistor, which is simple to set. The maximum charging power is 30W, and adaptive charging current adjustment is supported.
By using the IP2363 synchronous buck-boost SOC chip, with a synchronous buck-boost MOS transistor and inductor, as well as capacitive and resistive components, a charging circuit can be formed that is built into the battery pack. By using the PD fast charger to charge the battery directly, the manufacturing and certification costs of the special charger are eliminated, and the cost of power tools is reduced, and the packaging volume is also reduced, and the use of packaging materials is reduced.
The IP2363 buck-boost SOC chip continues the simplified design of the family buck-boost products, with integrated fast charging and power extraction functions, battery charge management and synchronous buck-boost controller inside the chip, which can achieve all functions without an external chip. In addition, the IP2363 supports custom I2C functions to measure the input voltage and current, as well as the charging voltage and current information of the battery, through the on-chip 14-bit ADC.
IP2363 also integrates input over-voltage and under-voltage protection, battery overcharge and over-current protection, and supports external thermistors for battery temperature protection and chip overtemperature protection.
The picture shows the schematic diagram of Yingjixin's IP2363 battery charging application, which is a four-tube single-inductor design, and the number of battery cells, charging cut-off voltage and charging power can be easily configured by resistors to meet different use needs. IP2363 also supports DC adapter power supply and supports multiple input methods.
The IP2363 is available in a QFN32 (5x5mm) package.
The intuitive size of the chip placed on a dollar coin.
IP2366
Yingjixin IP2366 is a power management chip that supports PD3.1 and other fast charging input and output protocols, supports a maximum of 140W charging power and 2~6 strings of lithium batteries in series, with high integration and rich functions, only one inductor can achieve synchronous buck-boost function, only a few peripheral components are required in the application, effectively reducing the size of the overall scheme and greatly reducing the BOM cost.
IP2366 adopts BUCK-BOOST buck-boost technology, equipped with NMOS driver, which can intelligently adapt to the charging current, and at the same time, in the case of external resistance, the battery type can be easily set, and the full voltage is 3.65V, 4.1V, 4.2V, 4.35V and 4.4V to meet the needs of different battery series sections, suitable for charging and discharging 2-6 strings of lithium battery/lithium iron phosphate battery. In addition, IP2366 has a built-in IC temperature, battery NTC temperature, and input voltage control detection loop, which can intelligently adjust the charging current according to the identified charger power.
In addition to the flexibility of battery management, IP2366 also has a variety of fast charging protocols, including PD3.1, FCP, AFC, SCP, DRP Try.SRC, QC2, QC3.0, QC3.0+, etc., providing users with a variety of fast charging options to ensure charging efficiency and speed. In addition, the IP2366 supports up to four LED fuel indicators, a built-in 14-bit ADC, an I2C interface through which information such as charge and discharge voltage and charge current can be obtained, and the standby power consumption is only 5μA, and it also has an EN wake-up function, which provides a high degree of convenience and efficiency for battery management and charging control.
IP2366 integrates a series of robust protection mechanisms to ensure the stability and reliability of the circuit. These protection mechanisms include input overvoltage and undervoltage protection to prevent damage to the circuit by unstable voltages. In addition, IP2366 is equipped with output overcurrent and short-circuit protection to effectively prevent circuit overload or short-circuit conditions. In terms of battery, IP2366 provides overcharge, over-discharge and over-current protection to protect the safety and life of the battery. In addition, there is IC over-current protection and rechargeable battery temperature NTC protection, which further improves stability and reliability. At the same time, IP2366's ESD protection capability reaches 4KV, and the input withstand voltage can reach 30V, which provides additional safety for the circuit and ensures normal operation under various operating conditions.
Comparison with the actual size of a dollar coin.
IP2368
Yingjixin IP2368 is a lithium battery charge and discharge management chip that integrates AFC/FCP/PD2.0/PD3.0 and other input and output fast charging protocols and synchronous buck-boost converters, with built-in four-tube H-bridge synchronous buck-boost switch tube drive, which can automatically apply for fast charging to charge at maximum power, the input terminal supports 5-20V voltage, through buck-boost voltage conversion, automatically switches to boost or buck, adjusts the output voltage to charge multiple strings of battery packs, and also supports a maximum of 100W reverse discharge output.
Yingjixin IP2368 supports the use of 2-5 battery packs in series, the battery full voltage supports resistance setting, and is suitable for lithium iron phosphate and ternary lithium batteries, which fully meet the battery types of different equipment. IP2368 supports four-lamp battery level indication by default, and the initial capacity of the battery pack can be configured through resistors to achieve accurate power display.
IP2368 is available in QFN7*7mm-48 package, which is more space-saving than traditional buck-boost solutions.
IP5385
The charging head network learned that the industry's well-known fast charging chip original Yingjixin Technology has launched the first fast-charging mobile power supply SOC IP5385 integrated with UFCS fusion fast charging protocol, this chip integrates the fast charging protocol chip in the common mobile power supply, MCU, and synchronous buck-boost controller all in one package, supporting 2-4 strings of ternary lithium batteries and lithium iron phosphate battery applications, with MOS tubes and inductors, you can form a bidirectional 65W fast charging mobile power supply, so as to meet the needs of cost-effective fast charging.
Yingjixin IP5385 continues all the functions of IP5389 synchronous buck-boost SOC, the chip supports 2 USB-A port outputs at the same time, supports a two-way USB-C interface, and also supports Micro USB interface or Lightning interface input, any interface supports fast charging, supports UFCS fusion fast charging, supports PD3.0 fast charging, supports Huawei SCP, FCP fast charging and other fast charging protocols, and has very good compatibility.
The IP5385 has a built-in bidirectional synchronous buck-boost driver with an integrated charge pump that supports the use of high-performance NMOS for switching and path management. Only one chip is equipped with an inductor and synchronous switch tube, as well as a path management tube for the corresponding interface, which can form a complete 2-4 string battery and multi-interface high-power fast-charging mobile power supply. The chip supports 65W charging and discharging power, which meets the needs of mobile power supply, energy storage power supply, portable equipment and power tool applications.
The chip has built-in input over-voltage and under-voltage protection, output over-voltage, over-current and short-circuit protection, battery overcharge, over-discharge and over-current protection, supports external NTC for battery temperature protection, and built-in chip overtemperature protection. The data pins are tolerant to 30V and are ESD protected.
Yingjixin IP5385 application schematic, corresponding to each interface using VBUS switches, synchronous buck-boost circuit four switches, integrated NMOS driver inside the chip, high integration of the solution, effectively reduce the BOM cost. It supports digital tube power display and four-light LED power display, and supports setting the battery capacity through resistance to achieve accurate power display.
The number of cells, battery voltage, battery capacity and maximum input and output power parameters can be set by resistors, without software development and support function customization, IP5385 This SOC chip simplifies the development of mobile power supply to the greatest extent, reducing development costs and production costs.
Yingjixin has now designed a mainstream mobile power supply configuration model based on IP5385, thanks to this highly integrated SoC chip, the DEMO board can be configured with 1C2A1L1M five interfaces, not only compatible with classic QC, PD and other fast charging protocols, the current popular UFCS fusion fast charging also supports, in the emerging market for customers to establish advantages for customers' products.
IP5389
Yingjixin Technology has released a power management SoC that integrates protocol functions, power display and synchronous buck-boost controller IP5389, which can realize complete power bank functions, providing a complete power supply solution for high-power fast-charging mobile power supply.
One chip of Yingjixin IP5389 can realize the functions of protocol chips, single-chip microcomputers and buck-boost controllers in conventional mobile power supplies, which greatly shortens the development and mass production cycle and saves costs.
Yingjixin IP5389 supports USB-A, USB-C ports, Micro-USB interface and Lightning interface power supply input, and all interfaces support fast charging. The fast charging protocol supports Huawei FCP, SCP, Samsung AFC, OPPO's VOOC, PD3.0 fast charging protocol, PPS, and the maximum output power is 20V100W, which can realize rich fast charging support for all interfaces.
IP5389 has a built-in buck-boost controller, which supports bidirectional buck-boost charging and discharging by driving an external MOS tube, supports a maximum charging current of 5A, and supports adaptive current regulation. It supports 2/3/4/5 string batteries, and supports 4.20, 4.3, 4.35, and 4.4V batteries. The chip has a built-in fuel gauge, supports 4 LED power indicators, or 88/188 digital tube power display, supports setting the battery capacity by resistor, or learning the battery power Xi to achieve accurate power display.
The IP5389 has an integrated charge pump inside, which can use high-performance NMOS for path management. When using, only one chip is needed, with the corresponding path management tube and four switch tubes to form a step-up and down voltage, which can form a complete multi-string battery and multi-interface high-power fast-charging mobile power supply, and the parameter configuration is simple. The chip supports multiple perfect protection functions, supports battery NTC temperature detection, and supports 35V overvoltage on the pins.
Summary of the charging head network
With the rapid development of the power tool market, battery technology innovation is key, and buck-boost chips are crucial in optimizing battery management. The five buck-boost USB-C fast charging chips launched by Yingjixin include IP2363, IP2366, IP2368, IP5385 and IP5389, with an output power range of 30-140W, which is suitable for a variety of application scenarios, especially for the needs of multiple strings of lithium batteries. These chips not only integrate synchronous buck-boost converters, but also support multiple input and output protocols, providing an efficient and convenient battery management and charging solution for power tools and power banks.