摘要:
A driving circuit comprises an input terminal receiving an input of a PWM signal, a first output terminal connected to a main switch for outputting a low-side driving signal, a second output terminal connected to an active switch for outputting a high-side driving signal, a first branch having a voltage level shifting capacitor and a first buffer connected in series between the input terminal and the second output terminal; and a second branch having a delay circuit and a second buffer connected in series between the input terminal and the first output terminal. When the input of the PWM signal turns from a low level to a high level, the voltage level shifting capacitor transmits the input of PWM signal to the first buffer for turning off the active switch and then triggering the second buffer to turn on the main switch with a short time delay.
摘要:
The present invention proposes an improved circuit design and configuration of a DC-DC converter with resonant reset. In this present invention, the active resonant snubber in parallel to a primary winding of a transformer of a DC-DC converter for resetting the transformer includes a resonant capacitor, an active switch connected to the resonant capacitor in series, an auxiliary diode coupled across the active switch in parallel, and an auxiliary winding coupled with the transformer. When a main switch of the DC-DC converter is turned off, the auxiliary winding turns on the active switch, and then the transformer is reset by a resonance between a magnetizing inductor of the transformer and the resonant capacitor.
摘要:
The present invention proposes an improved circuit design and configuration of a DC-DC converter with resonant reset. In this present invention, the active resonant snubber in parallel to a primary winding of a transformer of a DC-DC converter for resetting the transformer includes a resonant capacitor, an active switch connected to the resonant capacitor in series, an auxiliary diode coupled across the active switch in parallel, and an auxiliary winding coupled with the transformer. When a main switch of the DC-DC converter is turned off, the auxiliary winding turns on the active switch, and then the transformer is reset by a resonance between a magnetizing inductor of the transformer and the resonant capacitor.
摘要:
A driving circuit comprises an input terminal receiving an input of a PWM signal, a first output terminal connected to a main switch for outputting a low-side driving signal, a second output terminal connected to an active switch for outputting a high-side driving signal, a first branch having a voltage level shifting capacitor and a first buffer connected in series between the input terminal and the second output terminal; and a second branch having a delay circuit and a second buffer connected in series between the input terminal and the first output terminal. When the input of the PWM signal turns from a low level to a high level, the voltage level shifting capacitor transmits the input of PWM signal to the first buffer for turning off the active switch and then triggering the second buffer to turn on the main switch with a short time delay.
摘要:
An energy storage circuit for a wide input voltage range DC-DC converter with holdup time requirement. The energy storage circuit comprises (1) an energy storage capacitor, (2) a charging path including a diode connected in series with a current limiting resistor coupled in series with the energy storage capacitor, (3) a discharging path including a parallel-coupled switch and a diode coupled in series with a filtering inductor which is coupled in series with the energy storage capacitor, and (4) a logic control unit coupled to the switch for turning the switch of the discharge path on and off.
摘要:
An arrangement is provided for inter-thread communications. A first group of thread includes at least one thread. A thread from the first group buffers a request in a first buffer. A thread from a second group of thread retrieves the request buffered in the first buffer. The thread from the second group performs an operation based on the request and generates a response. The thread from the second group buffers the response in a second buffer. A thread from the first group of thread retrieves the response from the second buffer.
摘要:
The present disclosure provides a method and an Application Server (AS) for obtaining user's capability in Third Party Call Control (3PCC), and the method comprises: when a user performs 3PCC, an AS stores the media information of the user; the AS performs media negotiation with the user according to the stored media information of the user. The application of the present disclosure solves the problem of the high failure probability of media negotiation caused by the current incorrect method for obtaining the user's media capability, and improves the utilization experience of users.
摘要:
The invention relates to a motion determination apparatus for determining motion of a moving object, wherein the motion determination apparatus (1) comprises a multi-axial accelerometer (2) for being positioned at the moving object (4), wherein the multi-axial accelerometer (2) is adapted to generate accelerometer signals indicative of the acceleration along different spatial axes. The motion determination apparatus further comprises a motion signal generation unit (3) for generating a motion signal indicative of the motion of the object (4) by combining the accelerometer signals of different spatial axes. The combination of the accelerometer signals of different spatial axes yields a motion signal having a large signal-to-noise ratio, even if an axis is located close to a rotational axis of the movement.
摘要:
The invention relates to a motion determination apparatus for determining motion of a moving object, wherein the motion determination apparatus (1) comprises a multi-axial accelerometer (2) for being positioned at the moving object (4), wherein the multi-axial accelerometer (2) is adapted to generate accelerometer signals indicative of the acceleration along different spatial axes. The motion determination apparatus further comprises a motion signal generation unit (3) for generating a motion signal indicative of the motion of the object (4) by combining the accelerometer signals of different spatial axes. The combination of the accelerometer signals of different spatial axes yields a motion signal having a large signal-to-noise ratio, even if an axis is located close to a rotational axis of the movement.