World Peace Group launched a high-frequency miniaturized industrial power supply solution based on onsemi products

The United Nations General Assembly announced that its subsidiary World Peace has launched a high-frequency miniaturized industrial power supply solution based on the onsemi NCP51561 high-voltage isolation driver.

Figure 1 – The Display board of the high-frequency miniaturized industrial power supply solution based on onsemi products

At a time when the topic of “dual carbon” is becoming more and more intense, power semiconductor devices using GaN gallium nitride/SiC silicon carbide as materials have entered the accelerated development lane. GaN and SiC are known as “Wide Band Gap Semiconductors (WBG)” and have excellent properties such as high temperature resistance, high voltage resistance, high frequency, high power, and radiation resistance, which can help products achieve higher switching efficiency. According to industry insiders, GaN is the closest to the ideal semiconductor switching device, which can realize power conversion with very high efficiency and high power density, easily meeting the most stringent 80+ specifications for servers and cloud data centers or the EU for USB PD external adapters Code of Conduct Tier 2 Standard. Based on this background, Dalian World Peace launched a high-frequency miniaturized industrial power supply solution based on onsemi NCP51561.

Figure 2 – Scenario application diagram of the high-frequency miniaturized industrial power supply solution based on onsemi products

The NCP51561 is a high-voltage isolated dual-channel gate driver from onsemi with 4.5A source current and 9A sink current peak capability. The new device is suitable for fast switching of silicon power MOSFETs and SiC-based MOSFET devices, providing short and matched propagation delays.

Figure 3 – Block diagram of the high-frequency miniaturized industrial power supply solution based on onsemi products

In addition, the NCP51561 features two independent 5kVRMS (UL1577 rated) galvanically isolated gate driver channels that can be used as two low bridges, two high bridge switches or a half bridge driver with programmable dead time. Not only that, an enable pin of the device can shut down both outputs simultaneously, and the NCP51561 provides other important protection features such as independent undervoltage lockout (UVLO) and enable functions for the two gate drivers. Thanks to these excellent functions, the energy conversion efficiency of miniaturized industrial power supplies can be effectively improved.

Core technical advantages:

Two output drivers have independent UVLO protection;

6.5V to 30V output voltage with 5V, 8V and 17V UVLO thresholds;

4A peak current source, 8A peak current sink;

150V/ns dV/dt immunity;

36 ns typical delivery delay;

8 ns maximum delay matching;

programmable input logic;

Single or dual input mode via ANB;

Programmable dead time;

Enable function;

Isolation and Safety:

5kVRMS galvanic isolation from input to each output and 1200V peak differential voltage between output channels;

1200V working voltage (according to VDE0884-11 requirements).

Program Specifications:

Dual low-side, dual high-side or half-bridge drivers;

Output supply voltage from 6.5V to 30V with 5V, 8V and 17V UVLO thresholds;

4A peak current source, 8A peak current sink.

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About Dalian University:

Dalian General Holdings is the world’s number one and the largest semiconductor component distributor in the Asia-Pacific region*, headquartered in Taipei (TSE: 3702). There are more than 250 product suppliers, 80 distribution bases around the world, and the turnover in 2020 will reach 20.65 billion US dollars. Dalian University has created an industry holding platform, focusing on the scale of international operations and localization flexibility, and has been deeply cultivating the Asia-Pacific market for a long time. With the vision of “industry first choice, channel benchmarking”, it fully implements the core values ​​of “team, integrity, professionalism and efficiency”. , won the “Excellent International Brand Distributor Award” for 21 consecutive years. Facing the new manufacturing trend, Dalian University strives to transform into a data-driven (Data-Driven) enterprise, builds an online digital platform ─ “Dawang”, and advocates a smart logistics service (LaaS, Logistics as a Service) model to help customers face Challenges to Smart Manufacturing. Starting from goodwill and building trust with technology, the General Assembly hopes to build a large-scale competition and cooperation ecosystem with the industry “Labang faction”, and to “focus on customers, technology empowerment, collaborative ecology, and co-creation of the era” 16 Actively promote digital transformation. (*Market ranking is based on data published by Gartner)