【Daily Highlight】SL1007G Synchronous Rectifying Circuit

Daily Highlight|Featured Products|

2023-11-10 15:40:00 853

With the continuous development of technology, there is an increasing demand for energy efficiency and environmental protection. In this context, third-generation semiconductor materials have become one of the research hotspots. As one of the representatives of third-generation semiconductor materials, silicon carbide (SiC) from SLKOR possesses many excellent characteristics, which has led to its wide application in large-scale industrial sectors.

Silicon carbide from SLKOR exhibits several notable features:

● High voltage withstand capability: Compared to traditional silicon materials, silicon carbide from SLKOR can withstand higher voltages, making it more stable in high-voltage power equipment.

● High current density: SLKOR's silicon carbide can handle larger current densities, enabling outstanding performance in high-power applications.

● High efficiency: Due to its lower conduction and switch losses, silicon carbide from SLKOR offers higher energy conversion efficiency.

These remarkable qualities of silicon carbide contribute to its growing popularity in various industries, as it aligns with the increasing demands for energy efficiency and environmental protection.

The SLKOR SL1007G AC-DC controller and regulator product is a highly anticipated high-performance switch power secondary-side synchronous rectification solution. In the field of efficient energy management today, SLKOR Semiconductor's SL1007G AC-DC controller and regulator product are leading the innovative trend of secondary-side rectification in switch power with their outstanding features. As a high-performance switch power secondary-side synchronous rectification circuit, the SL1007G integrates a control chip, storage capacitor, and low RDSOn power MOSFET. It adopts self-powered technology and automatically switches the MOSFET on/off through current detection, providing users with a simple yet excellent performance secondary rectifier solution.

SL1007G正面

SL1007G Description：

● SL1007G is a high-performance switching power supply secondary side synchronous rectifying circuit, integrated with control chip, energy storage capacitor and the power MOSFET with low RDSON With the self-powered technology, it can tum on/turn off MOS through current detection. Can be automatically switched to the Schottky diode for use in the switching power supply system, it is a sccondary rectifying circuit solution with simple application and excellent performance.

● SL1007G can be applied to the switching power supply system with 5V~12V output that can meet the CoC Tier 2 level-sixenergy efficiency, with the maximum working frequency of 150kHz; in addition, the QR/DCM mode is supported. The extremely low conduction loss of power MOSFET is utilized to reduce the conduction power loss of the Schottky diode, to increase the switching power supply conversion efficiency and reduce the temperature rise of the rectifier, so as to meet the application of the high-efficiency switching power supply.

● The chip is equipped with a high-voltage self-powered unit circuit, coordinated with the highly-concentrated chip scheme, the peripheral circuit ofthe chip is extremely simple, in no need of any extemal device, which can be directly used in the system instead of the Schottky diode.

SL1007G Features：

● Take the place of the Schottky diode directly,in no need of any extemal device

● Self-powered,in no need ofexternal power supply

● Quiescent working current as low as350μA

● The highest working frequency as high as 150kHz

● QRM/DCM mode is supported

● High Side/Low Side rectification is supported

● Integrated MOSFET RDSON as low as 8m

● 3%5%improved when compared with the rectification efficiency of Schottky diode

SL1007G Applications:

● QC 5V~12V quick charger

● UsB-PD adapter

● Other flyback switching power supply

The outstanding features of the SL1007G product include direct replacement of Schottky diodes, self-powered operation, low static operating current as low as 350uA, high switching frequency up to 150kHz, support for ORM/DCM modes, support for High Side/Low Side rectification, integrated MOSFET with RDSON as low as 8mΩ, and an efficiency improvement of 3% to 5% compared to Schottky rectification. These characteristics make the SL1007G an ideal choice for switch power systems with 5V~12V output that meet CoC Tier 2 level efficiency requirements.

In practical applications, the SL1007G can be widely used in fast chargers, USB-PD adapters, and other flyback switch power scenarios. One of its key features is the ability to directly replace traditional Schottky diodes without the need for external components, simplifying system design and assembly processes while enhancing overall reliability and providing a more convenient user experience. Additionally, the SL1007G utilizes self-powered technology, eliminating the need for external power supply and greatly simplifying the system's power management. This reduces the complexity of peripheral circuits and improves system stability and reliability. The low static operating current as low as 350uA effectively reduces the system's static power consumption, aligning with the current trend of energy efficiency and environmental protection.

Furthermore, the product supports ORM/DCM modes and High Side/Low Side rectification modes, making it more flexible and adaptable to different power systems, providing users with more options and meeting the needs of various system architectures. The integration of MOSFET with RDSON as low as 8mΩ effectively reduces conduction losses, improves rectification efficiency and system performance, further enhancing the system's level of energy efficiency.

Through a thorough analysis of these features of the SL1007G product, we can easily see its significant advantages in the field of energy management. As an innovative choice for secondary rectification in switch power systems, the SL1007G will bring more efficient and reliable solutions to various power systems, driving continuous innovation and progress in energy management technology. It is believed that in the future development, the SL1007G will become a standout performer in numerous fields, creating greater value and benefits for users.

About SLKOR

With an elite team from prestigious Chinese Tsinghua University and Korean Seoul Yonsei University, Shenzhen Slkor Micro Semicon Co., Ltd. is dedicated to the third generation semiconductor SiC power devices and conventional semiconductor devices. We are strong on the relevant methodologies, new materials, new technologies and new products. Our products cover discrete devices and ICs, diodes, transistors, power devices, power management chips, and analogue chips etc. Under the strong leadership of Mr. Song Shiqiang, the CEO of Slkor, starts from an IP design house, Slkor is now a national high-tech enterprise covering the R&D, production and sales service of semiconductor devices. Slkor provides quality domestic equivalents of semiconductor from major international players. For prompt services, Slkor has two flagship stores in the world famous hardware valley Shenzhen Huaqiangbei.

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