Sinrace Power Supply Technology (Shenzhen) Co., Ltd.
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资质认证
| Digital power technologies help to achieve high-efficiently power supply |
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How to improve the efficiency of power, is an important issue in power source design.The appearence of digital power technologies provide a new method to improving the efficiency of power. ADP1043 is ADI company offering aimed at high-end servers, storage and communications equipment and so on the power of the designed digital power controller, can support a variety of topology structure, and using the intuitive graphical interface (GUI) and don't need language to programming, can in a few minutes configuration includes frequency, time sequence, voltage setting and protection system such as power supply parameters restrictions. ADP1043 for the typical application of circuit. The power of the digital technology can help achieve high efficiency power supply. The ADP1043 in all the bridge circuit topology of PWM and SR GUI set interface. By setting up T9, T10, T11 and T125 will accurate get synchronous rectifier MOSFET the dead zone of the adjustment time, every time the minimum time is 5 ns. In each switch cycle, Through ADP1043 CS1 respectively measure flow past switch tube A 、D and switch tube of B and C current and calculating the difference between the current, through the difference between signal regulating drive signal OUTB and OUTD pulse wide, for unbalanced to compensate. For example, as shown in figure 4, when CS1 measured flow through switch tube B and C of the current larger than switch tube A, D,it will reduce the OUTB pulse width, increase the pulse width OUTD, so that through switch tube B and C of the current will be reduced, and through the switch tube A and D will increase the current, after several cycle, current automatically realize the balance. With this technology,it can effectively prevent partial magnetic, and save every straight capacitor, improve efficiency and reliability. |
