Introduction: Mao Chuan Chien, an accomplished inventor based in Hsinchu, Taiwan, holds a remarkable portfolio of five patents. His innovative contributions play a significant role in the evolving field of electronic circuit design, particularly in power management systems.

Latest Patents: Among his latest inventions, Mao Chuan Chien developed the low dropout regulator and the over current protection circuit thereof. This invention features a sophisticated overcurrent protection circuit that includes a sense transistor, a sense resistor, an operational amplifier, and a first transistor. The sense transistor effectively monitors the current flowing through the power transistor, while the operational amplifier generates a control signal based on the voltage across the sense resistor and a defined reference voltage. This innovation ensures enhanced reliability and performance in low dropout regulators.

Additionally, he has created a switching voltage regulator pulse width modulation (PWM) controller. This advanced PWM controller integrates three comparators designed for complex voltage detection and regulation. The first comparator assesses voltages of two nodes, deciding whether to halt the PWM controller based on specific voltage thresholds. The second comparator checks the voltage of a primary node against a power reference voltage, ensuring adequate power supply to maintain functionality. The third comparator evaluates another node’s voltage against an enable reference voltage, facilitating the disabling of the PWM controller if necessary. Together, these inventions represent critical advancements in the efficiency and functionality of modern power management solutions.

Career Highlights: Mao Chuan Chien is currently affiliated with Advanced Analog Technology, Inc., where his expertise and inventive skills contribute significantly to the company's success in the electronics industry. His dedication to innovation is evident through his continuous pursuit of patents and advancements in technology.

Collaborations: Mao collaborates closely with fellow innovators Chu Yu Chu and Yu Min Sun, sharing insights and expertise to drive the development of cutting-edge technologies. Their teamwork exemplifies the collaborative spirit essential for fostering innovation in the highly competitive field of electronics.

Conclusion: Mao Chuan Chien's inventive spirit continues to shape the landscape of power regulation technologies. His impressive portfolio of patents and collaborations underscores his commitment to advancing electronics and ensuring robust performance in low dropout regulator systems. As technology progresses, his contributions are likely to have lasting impacts on the sector.

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