Chicony Power Technology Co., Ltd.

Cheng-Chang Hsiao

Yung-Hung Hsiao

Chia-Hsien Yen

Hao-Te Hsu

Hao-Chieh Chang

Lieh-Chung Yin

Da-Shian Chen

Yu-Chen Wu

Tzu-Hung Wang

Chih-Kuan Hu

Chen-Hsiung Lee

Yu-Xian Zeng

Wen-Cheng Lu

Che-Han Li

Chun-Hsiung Yeh

A power module structure includes a first housing, a second housing, a wind generating unit and a power socket. The first housing includes a first plate and a first side portion. The second housing is attached to the first housing and includes a second plate arranged opposite to the first plate and a second side portion arranged opposite to the first side portion. Furthermore, a ventilation bracket is integrally bent and extended from the second housing and provided for the installation of the wind generating unit. The power socket is arranged side by side with the wind generating unit. The power socket and the wind generating unit are located between the first plate and the second plate. Moreover, the ventilation bracket includes a securement portion, and the securement portion is extended to inside of the first plate or the second plate for securement.

Power module structure

A power supply device, a power supply management module and method are provided. The power supply device includes a power supply management module. The power supply management module includes a first and a second power supply module, a detection unit, and a switching control module. The first power supply module includes a first alternating current input end, a first rectifier circuit, and a first switch unit. A first end of the first switch unit is connected to the first rectifier circuit. The second power supply module includes a second alternating current input end, a second rectifier circuit, and a second switch unit. A third end and a fourth end of the second switch unit are connected to the second rectifier circuit and a second end of the first switch unit, respectively. The switching control module controls the first and the second switch unit according to a detection signal.

Power supply device, power supply management module, and power supply management method

A power supply with lightning protection includes a surge voltage suppression apparatus, an electromagnetic interference control circuit, a surge current bypass apparatus, an active bridge rectifier circuit, a power factor correction circuit, and a DC-to-DC conversion circuit. The surge voltage suppression apparatus is used to increase a tolerance of a surge voltage for the power supply. The electromagnetic interference control circuit is coupled to the surge voltage suppression apparatus. The surge current bypass apparatus is used to increase a tolerance of a surge current for the power supply. The active bridge rectifier circuit is used to rectify an input voltage. The power factor correction circuit is used to adjust the rectified input voltage to provide an adjusted input voltage on a bulk capacitor. The DC-to-DC conversion circuit is used to convert the adjusted input voltage into a DC output voltage.

Power supply with lightning protection

A power supply apparatus includes a rectifier unit, a power factor correction circuit, and a control unit. The control unit correspondingly provides a reference voltage according to an amplitude of an input power source. When a voltage signal corresponding to an inductance current of an inductor of the power factor correction circuit is higher than the reference voltage, the control unit controls an energy release switch of the power factor correction circuit to be repeatedly switched on/off, and when the voltage signal is lower than the reference voltage, the control unit controls the energy release switch to be turned off.

Power supply apparatus with operation mode adjustment function and method of operating the same

A power conversion system includes a first and a second energy storage element, a first boost circuit, a switching element, a control circuit and a detection circuit. The first boost circuit is coupled between the first and the second energy storage element. The switching element is coupled to the first boost circuit in parallel. When the first voltage value is lower than a first preset level, the control circuit turns off the switching element and drives the first booster circuit to maintain a second voltage value according to the first voltage value, so that the power conversion system operates in a first state. When the first voltage value is equal to or larger than the first preset level, the control circuit turns on the switching element and turns off the first boost circuit, so that the power conversion system operates in a second state.

Power conversion system

A power conversion system is provided. The system includes a switch module, a resonant module, a magnetic conversion module, a bobbin and an iron core. The magnetic conversion module includes a primary winding and a PCB winding module. The PCB winding module includes a printed circuit board, a conductive layer disposed on at least one surface of the printed circuit board, and a switch unit disposed on the printed circuit board.

The present disclosure is related to a voltage conversion module which includes a front side magneto-sensitive unit, at least one voltage conversion unit, a core group, and a bobbin. The bobbin includes a first accommodating part, a second accommodating part, and a through hole. The first accommodating part is used for accommodating the front side magneto-sensitive unit. The second accommodating part is used for accommodating the at least one voltage conversion unit. The through hole is used for accommodating the core group. The second accommodating part includes first and second openings. The first opening is disposed at one side of the second accommodating part. The second opening is disposed at another side of the second accommodating part. The first and second openings are disposed opposite to each other, and a heat dissipation channel is formed between the first opening, the second opening and the at least one voltage conversion unit.

Voltage conversion module and bobbin

An electronic system is disclosed. The electronic system is electrically connected to an alternative current (AC) power and includes a switch and a parallel power conversion device. The parallel power conversion device includes a first power conversion module, a second power conversion module, and a driver. The first power conversion module is electrically connected to the AC power source and the switch, the second power conversion module is electrically connected to the AC power source, and the driver is electrically connected to the second power conversion module. When a current outputted from the first power conversion module is smaller than a specific vale, the driver makes the second power conversion module operate in a sleep mode to stop outputting current and to reduce level of outputting voltage.

Electronic system

A power conversion system includes an isolating transformer () and an output-controlling device (). The isolating transformer () includes a primary winding () and a plurality of secondary windings () coupled with the primary winding (), and the isolating transformer () has a plurality of coupling distances between the secondary windings (). The output-controlling device () includes a controller () and a plurality of output-controlling modules (), wherein each one of the secondary windings () is electrically connected to one of the output-controlling device (). The controller () places at least one output-controlling device () in a conducting state for output a rectified power. An amount of the secondary windings () coupled with the primary winding () is modulated for varying a leakage inductance of the power conversion system.

Power conversion system for providing a current to meet operation of an electronic device by varying a leakage inductance thereof and method for providing the current thereof

A power supply apparatus () includes a voltage input side (), a power switch circuit (), a voltage output side (), a pulse width modulation signal generating circuit () and a burst frequency detection circuit (). According to a pulse width modulation signal (), the pulse width modulation signal generating circuit () controls the power switch circuit (), so that the power supply apparatus () enters a burst mode. The burst frequency detection circuit () detects a burst frequency of the power switch circuit (). The burst frequency detection circuit () informs the pulse width modulation signal generating circuit () that the burst frequency is in an audio frequency range if the burst frequency is in the audio frequency range. The power supply apparatus () leaves from the burst mode to avoid audio noise.

Power supply method for avoiding audio noise and power supply apparatus for avoiding audio noise

An output short circuit protecting device electrically connected to a power supplying device includes a first output short circuit protecting unit. The first output short circuit protecting unit includes a sensing unit, a comparing unit, a judging element, and a latching unit. The sensing unit is electrically connected to a switching unit, a first outputting resistor, and a second outputting resistor of the power supplying device. The comparing unit is electrically connected to the sensing unit. The judging element is electrically connected to the comparing unit, and a controller and a signal-controlling terminal of the power supplying device. The latching unit is electrically connected to the judging element and the signal-controlling terminal.

Output short circuit protecting device

A power supply apparatus () includes a voltage input side (), a power switch circuit (), a voltage output side () and a pulse width modulation signal generating circuit (). According to a pulse width modulation signal (), the pulse width modulation signal generating circuit () controls the power switch circuit (), so that the power supply apparatus () enters a burst mode. A pulse quantity of each of burst clumps of the power supply apparatus (), a pulse frequency of each of the burst clumps of the power supply apparatus () and a pulse duty cycle of each of the burst clumps of the power supply apparatus () are fixed and constant after the power supply apparatus () enters the burst mode.

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Taipei, Taiwan

Cheng-Chang Hsiao