Chang Min Kim

Title: Chang Min Kim: Innovating Multi-Channel Current Control

Introduction

Chang Min Kim, an accomplished inventor based in Seoul, South Korea, has made significant advancements in the field of electrical engineering. With two patents to his name, he demonstrates expertise in developing innovative methods and apparatuses for controlling electrical currents in various applications.

Latest Patents

Among his latest contributions are two notable patents. The first, titled *Method and Apparatus for Multi-Channel Current Driving*, outlines a multi-channel current control circuit. This invention features an operational amplifier tailored for each channel, paired with a low pass filter connected to the operational amplifier's input. A mode control circuit allows for precise adjustments based on predetermined current control modes, while a pulse width modulation (PWM) circuit generates a modulation signal to effectively control the load current.

The second patent, *High-Resolution Pulse Width Modulation Signal Generation Circuit and Method*, introduces a novel PWM signal generation circuit. This circuit consists of both integer and fractional part pulse generation circuits, allowing for the creation of PWM signals that reflect the duty cycle’s digitized value. This innovation promotes enhanced control in various electronic applications, highlighting Kim's focus on precision and efficiency.

Career Highlights

Chang Min Kim is associated with Abov Semiconductor Co., Ltd., where he leverages his technical expertise to push boundaries in semiconductor technology. His career is marked by a commitment to enhancing multi-channel current driving methods, which is paramount in modern electronics.

Collaborations

While specific collaborations are not detailed, it can be inferred that his position at Abov Semiconductor Co., Ltd. allows him to engage with other experts in the field, facilitating innovation and research in semiconductor solutions. His contributions undoubtedly enhance the collective knowledge and technological capability within his research community.

Conclusion

Chang Min Kim is a notable figure in the domain of electrical engineering and semiconductor innovation. With his valuable patents addressing critical aspects of current control and PWM signal generation, he continues to contribute significantly to advancements in technology, particularly in South Korea’s vibrant tech industry.