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Innovision Semiconductor Inc. 2022 OCP CHINA DAY ended perfectly

Author:Date:2022-08-11

2022 ·OCP CHINA DAY

Hosted by OCP community and hosted by Inwave Information, the 2022 OCP CHINA DAY was successfully concluded in Beijing on August 10, 2022. In this exhibition, CMG was invited to share the speech of "New choice of multiphase VRM power supply scheme" in the Open Computing Ecology Forum, and CMG's new multiphase VRM power supply scheme debuted.

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Innovision Semiconductor Inc. booth welcomed many visitors from the industry. The company's professional technical team and visitors carried out detailed product introduction and in-depth technical exchanges.

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  • Multiphase VRM power supply scheme

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Wang Qing, senior sales manager of North China, said that in the field of today's open computing system hardware, the CPU is evolving towards lower process nodes, which brings more and more prominent problems of CPU power consumption and stray component loss. As a power chip company, if Changgong Micro can improve the efficiency of the CPU VRM power supply with the largest energy consumption in the server system by 2%, It is equivalent to saving the power consumption of Google's data center for a year, and promoting the construction and development of green data centers on technological innovation.


In addition to the rapid growth of data center scale, the tense state of semiconductor supply chain under the epidemic has not been effectively alleviated. One of the important reasons is that the VRM controller and power stage cannot be cross-applied, so the compatible design of power schemes has become the mainstream direction. In terms of Power devices, Longwork Micro provides 70A Power Stage IS6806A/IS6809A compatible with the mainstream industry package under 12V application, using MCM package; In the low-current Power Stage field, JMW's IS6811A uses a single-wafer integrated design and achieves best-in-class efficiency and high-frequency performance over its competitors.


Long work micro scheme under 12V main line

For the ongoing Open Rack application, the evolution of power bus from 12V to 48V, Changwork Micro also put forward its own views and corresponding research directions for 12V, 5V and other intermediate buses.


8-phase controller -- IS6201A, with PMBus and SVI2 digital interface, based on the control mode of TCOTTM technology, has fast transient response ability, and can dynamically adjust the number of working phases to optimize the overall efficiency, with accurate current sampling and reporting function, excellent Loadline linearity. With the Longwork Micro 70A intelligent power level IS6806A/IS6809A, it can easily realize the stable power supply of more than 320A large current on the server, desktop motherboard and other platforms.


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IS6201A                                 IS6806A

IS6811A 35A intelligent power level in 1MHz, 2MHz switching frequency, peak efficiency and load efficiency beyond the international manufacturers, 160A peak current does not burn, with strong Robustness,8 phase synchronous work can provide up to 200A supply current, suitable for notebook applications.

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In the future, the development of open computing ecology is inseparable from technological innovation. Cgmicro hopes to jointly explore "green, integration and empowerment" with industry partners, integrate more forces, and help promote the leading technology of data centers to move towards universality and low carbon.



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