Abstract: A low-dropout regulator including a first comparator, an edge trigger, a second comparator, a third comparator, and an output stage circuit is provided. The first comparator generates a first comparison signal according to a first reference signal and an output signal. The edge trigger outputs a trigger signal according to the first comparison signal, a second comparison signal, and a third comparison signal. The second comparator generates the second comparison signal according to the output signal and a second reference signal. The third comparator generates the third comparison signal according to the output signal and a third reference signal. The output stage circuit outputs the output signal according to the first comparison signal, the second comparison signal, and the third comparison signal. The output stage circuit includes a plurality of hysteresis controllers and a plurality of power transistors. Each hysteresis controller controls a conduction state of a corresponding power transistor.

Abstract: A voltage regulator includes a main driving stage circuit, a first pre-driving circuit, a plurality of auxiliary driving stage circuits, a second pre-driving circuit, and a comparison and decoding circuit. The main driving stage circuit provides a main driving current of an output voltage according to a first control signal. Each of the auxiliary driving stage circuits determines whether to provide an auxiliary driving current of the output voltage according to a second control signal. The second pre-driving circuit generates the second control signal according to an enable signal. The comparison and decoding circuit generates a simulated driving current and generates a load current according to a reference current and a counting code, compares the simulated driving current with the load current to generate a comparison result, and generates the enable signal by decoding the comparison result. The counting code is generated according to the comparison result.

Abstract: Disclosed is a variable-frequency power controller. The controller includes a power pin, a ground pin, a driving pin, a voltage sensing pin, and a loading voltage sensing pin, and is in collocation with a rectification unit, an inductor unit, a switch unit, an output unit, a voltage sensing unit, and a loading voltage sensing unit to implement a variable-frequency power control of power conversion. The controller performs one of the burst mode, valley switch mode, quasi-resonance (QR) mode, conduction mode, and peak loading mode based on a wide range of loading level. In particular, the loading level covered by the present invention includes the ultra-light, light, middle, full, and over-heavy loading, and the features of power saving, low switching loss, operation safety are thus achieved. Further, any over design employed to meet the wide range of loading level is prevented.

Abstract: Disclosed is a variable-frequency power controller. The controller includes a power pin, a ground pin, a driving pin, a voltage sensing pin, and a loading voltage sensing pin, and is in collocation with a rectification unit, an inductor unit, a switch unit, an output unit, a voltage sensing unit, and a loading voltage sensing unit to implement a variable-frequency power control of power conversion. The controller performs one of the burst mode, valley switch mode, quasi-resonance (QR) mode, conduction mode, and peak loading mode based on a wide range of loading level. In particular, the loading level covered by the present invention includes the ultra-light, light, middle, full, and over-heavy loading, and the features of power saving, low switching loss, operation safety are thus achieved. Further, any over design employed to meet the wide range of loading level is prevented.

Abstract: Disclosed is a method of controlling a time parameter performed by a power controller having a power pin, a ground pin, a driving pin, a time parameter selecting pin, a feedback pin, and a current sensing pin. The power controller is in collocation with a rectification unit, a transformer, a switch unit, a power output unit, and a feedback unit. A Pulse Width Modulation (PWM) frequency of a driving signal, an Over-Voltage Protection (OVP) delay time, and an Under-Voltage Protection (UVP) delay time are preset in the power controller. An external time parameter selecting signal is received through the time parameter selecting pin to dynamically update the PWM frequency, the OVP delay time, or the UVP delay time, thereby greatly increasing efficiency of power conversion and avoiding malfunction of OVP or UVP.

Abstract: Disclosed is a method of controlling a time parameter performed by a power controller having a power pin, a ground pin, a driving pin, a time parameter selecting pin, a feedback pin, and a current sensing pin. The power controller is in collocation with a rectification unit, a transformer, a switch unit, a power output unit, and a feedback unit. A Pulse Width Modulation (PWM) frequency of a driving signal, an Over-Voltage Protection (OVP) delay time, and an Under-Voltage Protection (UVP) delay time are preset in the power controller. An external time parameter selecting signal is received through the time parameter selecting pin to dynamically update the PWM frequency, the OVP delay time, or the UVP delay time, thereby greatly increasing efficiency of power conversion and avoiding malfunction of OVP or UVP.

Abstract: Disclosed is a dynamic multi-functional power controller in collocation with a primary side coil, a switching unit, and a current sensing resistor, performing a power control process. An induced current is generated by a secondary side coil coupled with the primary side coil through electromagnetic interaction with a conduction current flowing through the primary side coil, and an output power is generated to supply an external load when the induced current flows through an output rectification unit and an output filter unit. The power control process includes detecting if any abnormal state occurs, stopping a driving signal, waiting for a period of time, and then re-sending the driving signal. Thus, the present invention provides protection for various kinds of peak loading, avoids high power state when an abnormal state is not resolved, and further reduces the average output power, thereby implementing power saving.

Abstract: A slim-type gas transportation device includes a slim-type gas pump and a slim-type valve structure. The slim-type valve structure includes a first thin plate, a valve frame, a valve plate and a second thin plate. The first thin plate has a hollow portion. The valve plate is disposed within an accommodation space of the valve frame. The valve plate includes a valve opening. The valve opening is not aligned with the hollow portion. The second thin plate includes a gas outlet surface, a pressure relief surface, a gas outlet groove, an outlet aperture, a pressure relief hole and a pressure relief trench. The outlet aperture is hollowed out from the gas outlet groove to the pressure relief surface and corresponding in position to the valve opening. The pressure relief hole is spaced apart from the gas outlet groove. The pressure relief trench is concavely formed from the pressure relief surface.

Abstract: Disclosed is a dynamic multi-functional power controller in collocation with a primary side coil, a switching unit, and a current sensing resistor, performing a power control process. An induced current is generated by a secondary side coil coupled with the primary side coil through electromagnetic interaction with a conduction current flowing through the primary side coil, and an output power is generated to supply an external load when the induced current flows through an output rectification unit and an output filter unit. The power control process includes detecting if any abnormal state occurs, sopping a driving signal, waiting for a period of time, and then re-sending the driving signal. Thus, the present invention provides protection for various kinds of peak loading, avoids high power state when abnormal state being not resolved, and further reduces the average output power, thereby implementing power saving.

Abstract: Disclosed is a dynamic regulation power controller having a work voltage input pin, a feedback voltage input pin, a driving voltage output pin, a current sensing input pin, and a regulation power input pin, and being in collocation with a switching unit, an input power processing unit, a transformer, a current sensing resistor, a power regulation unit, an output rectification unit, and an output capacitor for converting an input AC voltage into an output voltage for supplying a load. In particular, the driving voltage and the driving current are dynamically adjusted according to the feedback voltage and the current sensing signal, thereby greatly increasing efficiency of power conversion and Electromagnetic Interference (EMI).

Abstract: Disclosed is a dynamic regulation power controller having a work voltage input pin, a feedback voltage input pin, a driving voltage output pin, a current sensing input pin, and a regulation power input pin, and being in collocation with a switching unit, an input power processing unit, a transformer, a current sensing resistor, a power regulation unit, an output rectification unit, and an output capacitor for converting an input AC voltage into an output voltage for supplying a load. In particular, the driving voltage and the driving current are dynamically adjusted according to the feedback voltage and the current sensing signal, thereby greatly increasing efficiency of power conversion and Electromagnetic Interference (EMI).

Abstract: An actuating and sensing module includes a first substrate, a second substrate, an actuating device and a sensor. A gas flow channel is formed by stacking the first substrate and the second substrate. The gas inlet, the gas flow channel and the gas outlet are in communication with each other to define a gas flow loop. The actuating device is disposed in the gas inlet of the second substrate and electrically connected to a control circuit to obtain a driving power. The sensor is disposed in the gas flow loop and electrically connected to a control circuit of the first substrate to transmit sensed data. While the actuating device drives outside gas from the outside, the gas is transported into the gas flow loop and sensed by the sensor.

Abstract: A power controller in collocation with a rectification unit, a transformer, a switching unit, a current sensing resistor, an output rectification unit, and an output capacitor is disclosed, and includes a working voltage pin, a ground pin, a PWM driving pin, a current sensing pin, and a load feedback pin for converting an external AC input power into an output power to supply a load. In particular, the power controller simultaneously performs active detection on load power to provide overload protection. Specifically, a load feedback signal related to a load power and a threshold load voltage representative of a preset threshold load power is compared, and a power counter representative of a calculated load power is increased by one, decreased by one, or kept without change according to the comparison result. Then, the power counter is employed to determine whether an overload abnormal event occurs.

Abstract: Disclosed is a power control device suitably applied to the field of driving a microelectronic element like MOSFET. Based on Miller plateau voltage of the microelectronic element such as MOSFET, the power control device can dynamically adjust driving capability and set a driving voltage so as to control and balance turn-on loss and switch loss, and further achieve an optimal average efficiency, particularly, for selecting or replacing the microelectronic element like MOSFET. Also, an electronic system provided with the power control device effectively solves the problem of Electromagnetic Interference (EMI) imposed on peripheral devices.

Abstract: A miniature fluid control device is provided and includes a gas inlet plate, a resonance plate and a piezoelectric actuator. The resonance plate is assembled and combined with the gas inlet plate. The piezoelectric actuator is assembled and combined with the resonance plate. The piezoelectric actuator includes a suspension plate, an outer frame, at least one bracket and a piezoelectric plate. The suspension plate has a first surface and a second surface. The outer frame is arranged around the suspension plate and has an assembling surface. The piezoelectric plate is attached on the second surface. The at least one bracket is formed between the suspension plate and the outer frame as making the first surface of the suspension plate non-coplanar with the assembling surface of the outer frame, so that a specific chamber spacing is maintained between the first surface of the suspension plate and the resonance plate.

Abstract: A digital regulator at least includes a comparator, a hysteresis comparator, a first control circuit, a second control circuit, a first transistor, and a second transistor. The comparator compares a reference voltage with an internal voltage, so as to generate a first control voltage. The hysteresis comparator compares the reference voltage with the internal voltage, so as to generate a second control voltage. The first transistor is coupled between a relatively high internal voltage and a control node. The first transistor is controlled by the first control circuit according to the first control voltage and the second control voltage. The second transistor is coupled between the control node and the internal voltage. The second transistor is controlled by the second control circuit according to the first control voltage and the second control voltage.

Abstract: A memory device includes a memory array, a switch device, and a controller. The switch device is arranged between a first voltage node and a second voltage node. The second voltage node is connected to the memory array. The controller is enabled to output a refresh mode signal, a refresh trigger signal, and a pre-start up signal. The memory device enters a self-refresh mode in response to the refresh mode signal. The memory device performs a self-refresh on the memory array in the self-refresh mode. In self-refresh mode, the controller outputs the pre-start up signal first prior to the refresh trigger signal to enable the switch device, so that the voltage of the second voltage node is increased to the voltage of the first voltage mode.

Abstract: An electrostatic discharge (ESD) protection device including a silicon controlled rectifier and a diode string arranged along a first direction is provided. The silicon controlled rectifier includes an anode and a cathode disposed separately from each other. The anode and the cathode respectively include doped regions. The doped regions in the anode are arranged along a second direction. The doped regions in the cathode are arranged along the second direction. The first direction intersects the second direction.

Abstract: A miniature fluid control device is provided and includes a gas inlet plate, a resonance plate and a piezoelectric actuator. The resonance plate is assembled and combined with the gas inlet plate. The piezoelectric actuator is assembled and combined with the resonance plate. The piezoelectric actuator includes a suspension plate, an outer frame, at least one bracket and a piezoelectric plate. The suspension plate has a first surface and a second surface. The outer frame is arranged around the suspension plate and has an assembling surface. The piezoelectric plate is attached on the second surface. The at least one bracket is formed between the suspension plate and the outer frame as making the first surface of the suspension plate non-coplanar with the assembling surface of the outer frame, so that a specific chamber spacing is maintained between the first surface of the suspension plate and the resonance plate.

Abstract: An electrostatic discharge (ESD) protection device including a silicon controlled rectifier and a diode string arranged along a first direction is provided. The silicon controlled rectifier includes an anode and a cathode disposed separately from each other. The anode and the cathode respectively include doped regions. The doped regions in the anode are arranged along a second direction. The doped regions in the cathode are arranged along the second direction. The first direction intersects the second direction.