Abstract: A power supply is provided. The power supply includes a power supply circuit and a control circuit. The power supply circuit includes a voltage converter and multiple point-of-load circuits. The voltage converter generates a third voltage according to a first voltage. The load point-of-load circuits generate at least one second voltage and at least one state signal according to the third voltage. The at least one second voltage is suitable for supplying power to a load. The control circuit is coupled to the power supply circuit. The control circuit determines whether a single event latch-up occurs in the power supply circuit according to the at least one state signal. When the single event latch-up occurs in the power supply circuit, the control circuit switches off the power supply circuit to stop generating the at least one second voltage and the at least one state signal.

Abstract: A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels. Each pixel may have seven transistors, a capacitor, and a light-emitting diode such as an organic light-emitting diode. The seven transistors may receive control signals using horizontal control lines. Each pixel may have first and second emission enable transistors that are coupled in series with a drive transistor and the light-emitting diode of that pixel. The first and second emission enable transistors may be coupled to a common control line or may be separately controlled so that on-bias stress can be effectively applied to the drive transistor. The display driver circuitry may have gate driver circuits that provide different gate line signals to different rows of pixels within the display. Different rows may also have different gate driver strengths and different supplemental gate line loading structures.

Abstract: A method for performing adaptive multi-link aggregation dispatching control in multi-link operation architecture and associated apparatus are provided.

Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.

Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.

Abstract: An apparatus includes a plurality of switches connected in parallel between an input terminal and an output terminal of a power bus, a plurality of current sensing circuits coupled to the plurality of switches, wherein each current sensing circuit is coupled to a corresponding switch, and a plurality of current sharing circuits configured to receive current sensing signals from the plurality of current sensing circuits and generate a plurality of gate drive signals to control the plurality of switches so as to achieve a predetermined current distribution among the plurality of switches.

Abstract: An immersion cooling unit including a cooling tank, a first cooling unit, and a second cooling unit is provided. The cooling tank includes an accommodating portion and a top. The immersion cooling unit is a single-phase cooling unit. The first cooling unit is connected to the cooling tank. The first cooling unit and the second cooling unit are disposed opposite to each other. The second cooling unit includes a cover portion and a connection portion. The cover portion is connected to the top of the cooling tank and covers the accommodating portion. The connection portion is connected to the cover portion and located in the accommodating portion. In addition, an electronic apparatus is further provided.

Abstract: An example circuit includes a loop controller having current phase inputs, a feedback input, a control loop output and a transient event output. The feedback input is adapted to be coupled to an output terminal of a multi-phase power stage. A PWM circuit has a blanking input, a control input and a PWM output, the control input coupled to the control loop output. A phase management circuit has a transient detect input, a PWM input, a blanking output and phase outputs. The transient detect input is coupled to the transient event output. The PWM input is coupled to the PWM output and the blanking output is coupled to the blanking input. Each of the phase outputs is adapted to be coupled to a respective phase of the multi-phase power stage. The phase management circuit is configured to provide a blanking control signal representative of a variable blanking time.

Abstract: An apparatus such as a power converter includes a first flying capacitor operative to store a first flying capacitor voltage; a second flying capacitor operative to store a second flying capacitor voltage; an inductor providing coupling between the first flying capacitor and the second flying capacitor; and a network of switches operative to, in accordance with control signals, produce an output voltage via the first flying capacitor voltage and the second flying capacitor voltage.

Abstract: A liquid cooling device is applied to a plurality of optical transceivers of an electronic apparatus. The liquid cooling device includes a main body, a channel module and a tube module. The main body has an accommodating structure, an inlet structure and an outlet structure. The inlet structure and the outlet structure are connected to the accommodating structure. The main body covers at least a part of the plurality of optical transceivers. The channel module is disposed inside the accommodating structure. The tube module has an inlet tube and an outlet tube respectively disposed on the inlet structure and the outlet structure.

Abstract: Described embodiments include a voltage regulator circuit comprising a first comparator having a first comparator input coupled to a waveform input source, a second comparator input coupled to an output voltage terminal and a first comparator output. There is a second comparator having third and fourth comparator inputs and a second comparator output, the third comparator input coupled to a voltage source configured to provide a voltage representing a current limit, and the fourth comparator input coupled to the output voltage terminal. There is also a state machine having a first state machine input coupled to the first comparator output, a second state machine input coupled to the second comparator output and a state machine output, wherein a state of the state machine is determined by the first and second comparator outputs, and the state machine output provides a PWM signal responsive to the state of the state machine.

Abstract: A method and system for fabricating a three-dimensional power module packaging structure is provided. The power module packaging method incorporates a one-time SMD-molding process, which simultaneously connects bare semiconductor dies and conductive pillars to the PCB substrate directly.

Abstract: A parameter optimization device includes a data acquisition module, a sampling function calculation module, a clustering module and a parameter recommendation module. The data acquisition module is configured to acquire several input parameter values and corresponding several measurement output values. The sampling function calculation module is configured to obtain several sampling function values according to the input parameter values and the measurement output values. The clustering module is configured to obtain several parameter groups according to the input parameter values and the sampling function values. The parameter recommendation module is configured to obtain several recommended parameter values from at least one of the parameter groups.

Abstract: An example circuit includes a loop controller having current phase inputs, a feedback input, a control loop output and a transient event output. The feedback input is adapted to be coupled to an output terminal of a multi-phase power stage. A PWM circuit has a blanking input, a control input and a PWM output, the control input coupled to the control loop output. A phase management circuit has a transient detect input, a PWM input, a blanking output and phase outputs. The transient detect input is coupled to the transient event output. The PWM input is coupled to the PWM output and the blanking output is coupled to the blanking input. Each of the phase outputs is adapted to be coupled to a respective phase of the multi-phase power stage. The phase management circuit is configured to provide a blanking control signal representative of a variable blanking time.

Abstract: An endodontic robotic surgical system is provided. The endodontic robotic surgical system includes a robot arm and an endodontic robotic surgical assembly electrically connected to the robot arm. The endodontic robotic surgical assembly includes a multiple-axis force sensing device, a treatment assembly and an assistive device. The treatment assembly includes a housing, a drawstring-positioning structure disposed on the housing, a plurality of drawstrings connected to the drawstring-positioning structure, and an endodontic surgical element fitted to the housing. The drawstring-positioning structure is electrically connected to the multiple-axis force sensing device. The assistive device is adapted to be put on a tooth structure in a human oral cavity. The drawstrings are connected to different points on the assistive device. An endodontic robotic surgical assembly is further provided.

Abstract: Described embodiments include a voltage regulator circuit comprising a first comparator having a first comparator input coupled to a waveform input source, a second comparator input coupled to an output voltage terminal and a first comparator output. There is a second comparator having third and fourth comparator inputs and a second comparator output, the third comparator input coupled to a voltage source configured to provide a voltage representing a current limit, and the fourth comparator input coupled to the output voltage terminal. There is also a state machine having a first state machine input coupled to the first comparator output, a second state machine input coupled to the second comparator output and a state machine output, wherein a state of the state machine is determined by the first and second comparator outputs, and the state machine output provides a PWM signal responsive to the state of the state machine.

Abstract: A robotic surgery system includes: (1) a positioning stage and (2) at least one manipulator arm mounted to the positioning stage, wherein the manipulator arm includes a track and a tool carriage moveably mounted to the track, and the tool carriage includes a base and a pair of light emitting devices mounted to the base.

Abstract: A fixing mechanism, applied to an electronic device to fix an electronic module. The fixing mechanism comprises a casing, a fixing structure and a locking structure. The casing includes a baseplate and a side plate to define a space to accommodate the electronic module, and the side plate has a hole and a seat. The fixing structure includes a fixing element and a pressing portion. The fixing element movably extends from the outer side of the side plate into the space through the hole. The pressing portion is rotatably disposed on the combining seat, and includes a first part having an opening and a second part corresponding to the fixing element. The locking structure is movably set in the opening, and includes an engaging element. When the engaging element is engaged in the opening, the locking structure presses against the side plate to fix the pressing portion.

Abstract: A thin cooling fan includes a fan shell, a motor, a plurality of blades, and a PCB. The fan shell comprises a base plate and a shell cover which cover to each other to form an inner space. The base plate has a first surface facing toward the inner space and a second surface having a receiving space and opposite to the first surface. The motor is combined in the inner space. The blades are disposed in the inner space and rotated by the motor. The PCB is disposed in the receiving space and flush with the second surface. Thus, the whole thickness of the cooling fan is reduced and the flow channel design in the inner space is not affected.

Abstract: An antenna module includes first and second antennas. The first antenna includes first, second and third radiators. A first end of the first antenna is a first feed-in end. The second and third radiators are connected to a second end of the first radiator. The second radiator has a first ground. The second antenna includes fourth, fifth and sixth radiators. The fifth radiator is connected to a second feed-in end of the fourth radiator. A second ground is located at an intersection between the fifth and sixth radiators. The antenna module covers first, second and third frequency bands.