DC Power Supply Components Related to Lithium Ion Secondary Battery

REP (Register Embedded Protector) of the lithium ion battery

[INQ. NO. 1806E30] The battery REP is a fuse-type ceramic chip component that is equipped as the second protector to make up for the first PCM of the lithium ion battery applied to the wireless electronic equipment. In the event that it has a problem, it protects the battery and equipment by sensing the overvoltage or overcurrent and then disconnects the power physically, thereby preventing accidents caused by the battery for wireless electronic equipment. At present, it is expected that application of the battery REP will be expanded into all areas of life, such as the smartphone followed by Bluetooth speaker, wireless vacuum cleaner, robotic vacuum cleaner, E-bike, etc.
For this, RN2 Technologies completed the development of 18 kinds of products applicable to notebook PC, tablet PC, mobile, home appliances, etc., acquired Certifications of UL and TUV and have undertaken full-scale mass production, along with expansion of the second factory.

DC-DC Converter for E-bike (stepdown DC-DC converter)

DC-DC converter is a product that is applied to mobile devices using a battery and its function is to convert the constant battery voltage to the voltage fitting for the internal components having different rated voltage and distributing it. In line with the global trend of high efficiency and miniaturization, this product is in module form, having integrated the high-performance compound semiconductor three-dimensionally on the LTCC multi-layer ceramic PCB (MCP) and it is developing the converter in collaboration with the Electronics and Telecommunications Research Institute (ETRI) aiming at 94% of the power conversion efficiency that can output 12 volts for electronic devices and 5 volts for smartphones simultaneously out of the battery input power of 36~48 volts.
RN2 Technologies, a KOSDAQ-listed company established in 2002 and specializing in components and materials, owns unrivaled low temperature co-fired ceramic (LTCC) materials high-frequency circuit design and precision multi-layered ceramic process technology that can treat the whole process ranging from raw material of the ceramic products to the final products. Based on such technological prowess, RN2 Technologies manufactures LTCC powder and the MCP for threedimensional high-integration packaging, and it produces and sells the related products.
RN2 Technologies has achieved compound annual growth rate (CAGR) of 20.8% over the past 11 years and expanded its production facilities by additionally building the second factory to concentrate on production of REP (Resister Embedded Protector, which is a battery protection element) and multilayer ceramic printed circuit boards (MCP).

RN2 Technologies is the world’s only holder of the original technology concerning glass-free LTCC (low-temperature co-fired ceramic) materials. Based on such technology, we produces the multilayer ceramic chip components such as coupler and Termination, etc. for power amplifiers (PA) and low-noise power amplifiers (LNA) of the mobile communication base stations and repeaters. In addition, the company develops and produces the following components and modules that are the DC power supply components related to the lithium ion second battery applied to e-mobility as the next-generation flagshi item.
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