Leadtrend Technology Corporation

Yao-Wei Hsieh

Chung-Wei Lin

Ming-Chang Tsou

Hsien-Te Huang

Da-Jin Chen

Heng-Ci Lin

Hung Kuang Liu

A connector controller controls a connector with a power pin, a communication pin, and a ground pin. The connector detects the voltage at the communication pin at least twice to generate first and second voltages respectively. A bus power is supplied at the power pin. The first voltage is detected when a bus current to/from the bus power is about zero. The connector controller controls the bus power in response to a difference between the first and second voltage.

Power management control method in use of connector

A flyback power converter converts an input power on a primary side into an output power on a secondary side. On the secondary side, the output power is monitored to provide a representative signal representing a characteristic of the output power. A count is kept unchanged when a clock ticks if the representative signal is within a first range defined in accordance with a target value, that the representative signal is going to be regulated at. The count is changed in response to the clock if the representative signal is within a second range different from the first range. In response to the count, a driving current is generated to control a coupler, which generates a compensation signal on the primary side that controls power transmitted from the primary side to the secondary side.

Flyback power converter and relevant control methods

Growing community of inventors

Zhubei, Taiwan

Yao-Wei Hsieh