To achieve higher productivity in Industry 4.0 applications, it will need to meet the following innovative requirements: flexibility, efficiency, communication, security, and reliability. However, the application of any industrial product is inseparable from the power supply. In the three dimensions of low EMI, high efficiency, and small size, ADI can provide very strong support and a series of innovative products to meet the safety and reliability requirements of power supplies in different industrial applications. Figure 1: ADI Power By Linear "three dimensions" help the transition of Industry 4.0 Start noise reduction and EMI reduction from the input end to improve the overall efficiency and reliability of the system In typical industrial control systems such as motor control, EMI and noise at the input are critical to the stability of the entire system. At the same time, because the current system power consumption is also a problem, in order to do a combination, it was used in the past. Diodes. For high-current applications, ordinary diodes have many disadvantages. ADI has innovatively introduced an ideal diode solution and has done a lot to improve the safety and efficiency of the entire system. The positive high voltage ideal diode controller LTC4357 in the figure below is used to drive an external N-channel MOSFET to replace a Schottky diode, which can achieve a very low voltage difference (the on-resistance of the MOSFET is very low), which greatly improves Efficiency, which can effectively help reduce power consumption, heat dissipation, voltage loss and reduce PC board area (without heat sink), and improve reliability, enhance the overall efficiency of the system. The LTC4415, a dual-channel 4A ideal diode with adjustable current limit, contains two monolithic power path (PowerPath™) ideal diodes, each capable of providing up to 4A current, and a typical forward resistance of 50mΩ. Under low current conditions, the diode voltage drop is regulated to 15mV during the forward conduction period, thereby expanding the power supply operating range and ensuring that no oscillations occur during power switching. The reverse current flowing from OUT to IN is less than 1μA, which makes the device very suitable for power-OR applications. Figure 2: Innovation on the input side-ideal diode In the industrial field, EMI is a problem that cannot be circumvented. We can't imagine that in a large-volume robot factory, the system crashes due to the EMI problem, and the impact is very huge. There are many reasons for system crashes, among which electromagnetic interference is an important reason. Regarding the ultra-low EMI of the power supply, which is difficult to achieve, Lorry cites the latest generation LT8614 chip using Silent Switcher technology. It not only optimizes the magnetic field closure path through two reverse current loops, but also controls the ringing of the rising edge of SW to be very small through system loop optimization. Coupled with its highly optimized packaging process, its EMI is quite low. In addition, it also greatly reduces the ripple, solves the noise problem, and makes the system reliability and stability very good. Figure 3: Silent Switcher realizes ultra-low EMI switching power supply Lorry said: "In the field of robotics, industrial control, and even in the automotive field in China, most customers are very interested in Silent Switcher technology, because in the past, almost all industrial customers or automotive customers just wanted to solve the EMI certification problem. It takes half a year to make rectifications before it can be listed. The emergence of Silent Switcher technology has helped our customers save more than half a year." µModule: "Small is Big" In terms of small size and high performance, ADI’s broad portfolio of high-performance module power modules based on µModule has brought the industry a surprise of "small is big" again and again, and it is very complete in ADI’s power products. Series. For example, in order to deal with large voltage fluctuations in special industrial applications, ADI has introduced a very wide voltage isolated power supply (as shown in the figure below, the power supply width is 20V to 540V). At the same time, in order to reduce the design space of industrial customers and board cards, ADI also specially designed a highly integrated power supply module. This can greatly save customers the cost of device procurement, production reliability and materials. Figure 4: Wide voltage range isolated power supply can be easily applied in industrial environments with large voltage fluctuations In terms of industry, the density of industrial design and the complexity of board cards are getting higher and higher, and in industrial design, the reliability of man-machine interface, control, loop, software, and system stability will increase. More and more, how to reduce the difficulty of customers in the industrial field and board design, accelerate the iterative speed of product design, and how to help customers reduce the size of power supply circuit boards and the complexity of circuit design? A complex system is very troublesome for engineers. ADI released the epoch-making power module product µModule 10 years ago, which integrates the very complicated power system in the past into one module. Customers do not need to pay attention to the noise and ripple of the power supply. , Just take it and use it as easily as an LDO, and the efficiency is very high. Figure 5: Module ultra-thin power module helps reduce PCB footprint and integrate more functions. What are the benefits of this? First, for the majority of industrial customers and board design, there is no need to prepare so many devices. In terms of device procurement, production reliability, and materials, it can help customers save. For engineers, this is a very flexible application and combination. In short, from the industrial field, the above-mentioned excellent integrated circuit packaging technology and modular technology can greatly help ADI's customers to design systems flexibly, and further improve the safety and reliability of the system, making ADI's industrial products also more stable.
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