Abstract: A DC-to-DC controller, a DC-to-DC power converter and a control method thereof are provided. The controller is coupled to an upper-bridge switch and a lower-bridge switch and includes a time generation unit providing a time signal, a voltage identification (VID) change determining circuit and a time control circuit. The VID change determining circuit provides a determination signal in response to a VID signal. The time control circuit provides a control signal according to the time signal and the determination signal. When the VID signal changes from high to low, the time control circuit turns off the upper-bridge switch for a first preset time according to the determination signal and the time signal, and during the first preset time, the time control circuit controls the lower-bridge switch to be turned on for a second preset time multiple times, and to be turned off for a third preset time multiple times.

Abstract: A time signal generator includes a time signal circuit and a timing circuit. The time signal circuit includes a current source and a current source circuit, and has a first mode and a second mode. The time signal generator provides a first on-time signal according to the current source in the first mode. The timing circuit is connected to the time signal circuit, and includes a first timing circuit. When the timing circuit counts to a first predetermined time, the first timing circuit provides a first control signal to the current source circuit, such that the time signal generator provides a second on-time signal according to the current source and the current source circuit in the second mode. A width of the second on-time signal is less than a width of the first on-time signal.

Abstract: A multi-channel transient voltage suppressor includes a plurality of diode strings, a Zener diode and a diode array. The diode strings respectively have a plurality of input output terminals. The diode array includes a first bypass diode and a second bypass diode. The first bypass diode is coupled between a common bus and a ground terminal, and provides a forward turned-on path from the ground terminal to the common bus. The second bypass diode is coupled to the first bypass diode in parallel, and provides a reverse turned-on path from the common bus to the ground terminal. A current dissipation path is formed between each of the input output terminals and the ground terminal by the diode array.

Abstract: A time signal generator includes a time signal circuit and a timing circuit. The time signal circuit includes a current source and a current source circuit, and has a first mode and a second mode. The time signal generator provides a first on-time signal according to the current source in the first mode. The timing circuit is connected to the time signal circuit, and includes a first timing circuit. When the timing circuit counts to a first predetermined time, the first timing circuit provides a first control signal to the current source circuit, such that the time signal generator provides a second on-time signal according to the current source and the current source circuit in the second mode. A width of the second on-time signal is less than a width of the first on-time signal.

Abstract: A transient voltage suppressing (TVS) integrated circuit includes an input output pin, a ground pin, a substrate, a first TVS die and a second TVS die. The substrate provides a common bus. The first TVS die is disposed on the substrate, and includes a first input output terminal and a first reference ground terminal. The second TVS die is disposed on the substrate and includes a second input output terminal and a second reference ground terminal. The second reference ground terminal is electrically coupled to the first reference ground terminal through the common bus, and the first input output terminal is coupled to the first input out pin, and the second input output terminal is coupled to a ground pin.

Abstract: A multi-phase power controller coupled to resonant power converting circuits providing an output voltage is disclosed. The multi-phase power controller includes a current sensing unit, a frequency adjusting circuit and a duty cycle adjusting circuit. The current sensing unit, coupled to a first resonant power converting circuit, provides a first sensing current. The frequency adjusting circuit includes an error amplifier and a first ramp signal generation circuit. The error amplifier provides an error signal according to the output voltage and a reference voltage. The first ramp signal generation circuit provides a first ramp signal according to the error signal. The duty cycle adjusting circuit provides a first PWM signal to the first resonant power converting circuit according to a default voltage and the first ramp signal. The change of the duty cycle of the first PWM signal is related to the first sensing current, the default voltage and the first ramp signal.

Abstract: A DC-to-DC controller, a DC-to-DC power converter and a control method thereof are provided. The controller is coupled to an upper-bridge switch and a lower-bridge switch and includes a time generation unit providing a time signal, a voltage identification (VID) change determining circuit and a time control circuit. The VID change determining circuit provides a determination signal in response to a VID signal. The time control circuit provides a control signal according to the time signal and the determination signal. When the VID signal changes from high to low, the time control circuit turns off the upper-bridge switch for a first preset time according to the determination signal and the time signal, and during the first preset time, the time control circuit controls the lower-bridge switch to be turned on for a second preset time multiple times, and to be turned off for a third preset time multiple times.

Abstract: A DC-to-DC controller and a control method thereof are provided. The DC-to-DC controller couples to an output stage, and the output stage provides an output voltage and includes an upper bridge switch and a lower bridge switch. The DC-to-DC controller includes a time signal generating unit and a time signal control circuit. The time signal control circuit couples to the time signal generating unit and receives a preset voltage and the output voltage. During a soft start period, if the output voltage is lower than the preset voltage, after the upper bridge switch is turned off and before the upper bridge switch is turned on again, the time signal control circuit turns off the upper bridge switch and the lower bridge switch for a first preset time and turns on the lower bridge switch for a second preset time.

Abstract: A power switch circuit includes a first input voltage, a first switch element, a switcher, a first bootstrap capacitor, and a second bootstrap capacitor. The first switch element includes a first control end, a first input end, and a first output end. The first input end is coupled to the first input voltage. The first output end provides an output voltage. The switcher is coupled to the first switch element. The first bootstrap capacitor is coupled to the switcher and provides a first driving voltage. The second bootstrap capacitor is coupled to the switcher and provides a second driving voltage. The first bootstrap capacitor and the second bootstrap capacitor alternately supply the first driving voltage or the second driving voltage to the first control end through an operation of the switcher.

Abstract: A power control circuit and a power control method for an electronic cigarette are provided. The power control method includes the following steps: detecting a sensing temperature of a heating wire; when the sensing temperature is lower than a preset temperature, providing a first switch signal according to a ramp signal and an input signal, and adjusting an operation current of the electronic cigarette according to the first switch signal; and when the sensing temperature is higher than the preset temperature, providing a second switch signal, and adjusting the operation current of the electronic cigarette according to the second switch signal, wherein an on-time of the second switch signal is less than an on-time of the first switch signal. The invention controls the temperature of the electronic cigarette by adjusting the on-time so as to avoid overheating.

Abstract: A method with function parameter setting and an integrated circuit using the same are provided. The integrated circuit includes a function pin coupled to an external setting unit, a switch unit, and first and second function adjustment circuits. The first function adjustment circuit includes first and second current sources. The second function adjustment circuit detects a percentage of a divided voltage at the function pin, to provide a reference value and to set a second function parameter. The first function adjustment circuit uses the first current source to detect a first voltage detecting value at the function pin, and compares the first voltage detecting value with a default value. The switch unit switches the first and second current sources according to a compare result. The present invention adopts an integrated circuit for switching a plurality of current sources and detections, and may determine more resistance value setting intervals.

Abstract: A DC-to-DC converting circuit includes a power switch unit, a second power switch, a phase node, a boosted circuit and a sensing circuit. The power switch unit includes a first power switch, a sensing element, a first end, a second end and a sensing end. The sensing element is connected to the sensing end and the first end. The first end is connected to an input voltage. The second power switch is connected to the first power switch. The phase node is located between the power switch unit and the second power switch and is connected to the second end. The boosted circuit boosts the input voltage to a first operation voltage and provides the first operation voltage to the sensing end. The first operation voltage is higher than the input voltage. The sensing circuit is connected to the boosted circuit and the sensing end to obtain a sensing voltage.

Abstract: An adapter, a portable electronic device and a charge control method thereof are provided. The adapter includes a connector and a controller. The connector includes a first terminal. The controller is electrically connected to the connector and determines whether to enter a quick charge mode according to a control signal from the connector. In the quick charge mod, the controller receives a charge control signal from the first terminal. The charge control signal has a plurality of pulses, and encoding information is formed by the plurality of pulses. The adapter is controlled by the controller according to the encoding information so as to provide a quick charge voltage.

Abstract: A gate driver and a control method thereof are provided. The gate driver is coupled to a capacitor. The gate driver includes a timing control circuit and a switch unit. The switch unit is coupled to the timing control circuit, the capacitor and a working voltage. The timing control circuit receives an input control signal and performs a timing control to the input control signal to generate a first control signal and a second control signal. The switch unit includes a first switch element and a second switch element. The second switch element controls a body voltage of the first switch element according to the second control signal. The switch unit enables the working voltage to charge the capacitor via the switch unit according to the first control signal and the second control signal.

Abstract: A method for generating a current adapted to a parameter setting circuit is provided. The parameter setting circuit is coupled to an external setting impedor. The external setting impedor is coupled to an external voltage and outputs a first current. The method for generating the current includes the following steps. A reference voltage and an end voltage of a reference resistor are compared to get a comparison result. The end voltage is adjusted according to a comparison result. A setting parameter is obtained according to the adjusted end voltage. A setting current is generated according to a compensation current. The compensation current is related to a first current and the setting parameter. In addition, a parameter setting circuit of a power conversion apparatus is also provided.

Abstract: A multi-phase power controller is adapted for operating N power channels and is coupled to M drivers and an external system. The M drivers respectively have an enabling pin, and the multi-phase power controller includes a power state pin and M control pins. The power state pin is coupled to the enabling pin of each of the M drivers and the external system. The M control pins are coupled to the M drivers. In a power start period of the multi-phase power controller, the number of the power channels operated by the multi-phase power controller is less than N. After the power start period, the multi-phase power controller enables the M drivers through the power state pin and notifies the external system that a power start procedure has been completed through the power state pin.

Abstract: A driver and a driving control method for a power converter are provided. The driver includes a level shift circuit, a negative voltage generator and a first PMOS transistor. The level shift circuit provides an output signal, wherein the output signal has a first operation voltage and a second operation voltage. When the output signal received by the negative voltage generator is the first operation voltage, the negative voltage generator outputs the first operation voltage. When the output signal received by the negative voltage generator is the second operation voltage, the negative voltage generator generates and outputs a third operation voltage, and the third operation voltage is lower than the second operation voltage. A control terminal of the first PMOS transistor is coupled to an output terminal of the negative voltage generator. An output terminal of the first PMOS transistor provides a driving voltage.

Abstract: An electric capacity measurement apparatus with temperature compensation and a temperature compensation method thereof are provided. The electric capacity measurement apparatus includes an electric capacity measurement circuit, a non-volatile memory, a temperature measurement circuit and a control circuit. The electric capacity measurement circuit is configured to obtain an input current signal and compensate the input current signal according to a present invalid current range or a present zero current offset to obtain an electric capacity signal. The non-volatile memory is configured to store a plurality of test parameters at different temperatures related to the electric capacity measurement circuit in a test stage. The temperature measurement circuit measures a present temperature value of the electric capacity measurement circuit in an operation stage.

Abstract: A battery protection device adapted to be electrically connected to a load and a battery set and including a signal terminal, a discharge circuit and a control circuit is provided. The signal terminal is electrically connected to the load. The discharge circuit is electrically connected to the signal terminal. The control circuit detects a sensing voltage from the signal terminal, and counts a number of times that the battery protection device is switched to a protection mode from a normal mode, so as to obtain a counting value. The control circuit determines whether to enter the protection mode or the normal mode according to a reference voltage. In the protection mode, the control circuit adjusts the reference voltage or the control circuit controls the discharge circuit to form a discharge path passing through the signal terminal, the discharge circuit and a ground.

Abstract: A timing generator and a timing signal generation method for a power converter are provided. The timing generator includes an adjusting circuit and a timing generation unit. The adjusting circuit receives an error signal related to an output voltage of the power converter. The adjusting circuit generates an adjusting signal according to the error signal and a delay circuit. The timing generation unit generates a timing signal according to the error signal, the adjusting signal and a control signal. A width of the timing signal is changed with the error signal and the adjusting signal. Accordingly, the timing generator adjusts On-time/Off-time in response to a transient response.