11results about How to "Reduce static power consumption" patented technology

The application relates to a full GaN power electronic monolithic integrated circuit and a preparation method thereof, which comprises, from bottom to top, an insulating composite substrate, an AlN layer, a Si layer, a GaN / AlGaN buffer layer, a GaN layer and an AlGaN layer; a 2DEG layer is formed between the GaN layer and the AlGaN layer; the AlGaN layer is etched, a p-GaN layer is grown; a p-GaN layer gate portion is etched and filled with a passivation layer, and a gate metal is grown; source metal and drain metal are respectively grown on both sides of the p-GaN layer gate area; a deep groove is arranged between a driving circuit and a low-voltage tube, between a high-voltage tube and the low-voltage tube, and a medium is filled in the deep groove; and the full GaN power electronic monolithic integrated circuit is obtained through a top via and an interconnection process. The application can realize high efficiency and low power consumption, low parasitic effect, and reduce leakage current and switching loss.

This invention relates to the field of power electronics technology, specifically to a switching relay control circuit and control method. The switching relay control circuit includes a signal control module, a power drive module, and a protection module. The signal control module receives an input control signal and outputs a drive signal. The power drive module responds to the drive signal by applying a first voltage to the relay coil to activate it, and automatically reduces the first voltage to a second voltage to maintain the activated state after activation. The second voltage is higher than the relay release voltage. The protection module provides unidirectional protection and voltage clamping for the circuit. This invention enables rapid and reliable relay activation, significantly reduces holding power consumption, and improves the circuit's anti-interference capability.

The application provides a bionic event-driven reconfigurable analog / digital converter and electronic equipment, which comprises an adjustable signal folding circuit, a dynamic comparator circuit and a bionic control logic circuit, and any two of the adjustable signal folding circuit, the dynamic comparator circuit and the bionic control logic circuit are connected; the adjustable signal folding circuit receives an externally transmitted first voltage signal, folds the first voltage signal to obtain a to-be-compared signal under the condition of triggering a folding action, and transmits the to-be-compared signal to the dynamic comparator circuit; the dynamic comparator circuit generates a comparison result according to the received to-be-compared signal, and transmits the comparison result to the bionic control logic circuit; the bionic control logic circuit generates a bionic clock signal according to the comparison result, and transmits the bionic clock signal to the dynamic comparator circuit; and the dynamic comparator circuit is opened / closed according to the bionic clock signal. The application can reduce the static power consumption generated by the analog / digital converter during operation.

This application relates to an unlocking system, unlocking method, and vehicle. The power management module is configured to: in a sleep state, generate a first wake-up signal based on the door switch trigger time, and in response to the first wake-up signal, switch to a wake-up state, control the switch module to close, and send a second wake-up signal. The vehicle controller is configured to: in response to the second wake-up signal, wake up the near-field communication module to verify the key; after successful verification, if a key unlocking signal is received within a preset unlocking time, drive the unlocking / locking actuator to unlock; otherwise, generate a sleep signal. The power management module is also configured to: in response to the sleep signal, control the switch module to disconnect and switch to a sleep state. This application can solve the problems in related technologies where maintaining constant power to some modules to maintain the unlocking function accelerates battery depletion and damage; and where a complete power outage lacks an effective wake-up mechanism to restore system power for unlocking.

This invention discloses a multifunctional handheld electronic device and its control method, relating to the field of electronic product technology. The multifunctional handheld electronic device includes a grip component, a circuit board, and an expansion component. A first switch is mounted on the grip component and electrically connected to the circuit board. The circuit board, also mounted on the grip component, integrates a first functional module and a second switch. The expansion component is detachably connected to the grip component and is equipped with the second functional module. When the expansion component is mounted on the grip component, the second functional module is electrically connected to the circuit board, the second switch is in a first state, and the first switch controls the activation and deactivation of the second functional module. When the expansion component is not mounted on the grip component, the second switch is in a second state, and the first switch controls the activation and deactivation of the first functional module. By automatically switching the control object with a single button, the modular and rapid expansion of functions is achieved.

The utility model relates to an intelligent gas meter dual power supply switching power supply circuit, which adopts dual power supply design, automatically switches to the power supply with higher voltage by utilizing the voltage drop characteristic of diode, and does not need external control unit. At the same time, super capacitor is added as backup power supply to provide emergency power supply when dual power supply is powered off, ensuring data storage and valve operation. The power output module also has power supply control function, and realizes intermittent power supply or constant power supply through MOS tube, meeting the low power consumption requirement. In addition, the voltage conversion module works cooperatively to meet the high and low voltage load requirement, reduce power consumption, and prolong battery life. This design significantly improves the stability and reliability of the intelligent gas meter power supply system, providing users with more durable and stable use experience.

This invention discloses a high PSR, low power consumption, capacitor-free N-type low-dropout linear regulator, belonging to the field of analog integrated circuits. The regulator includes an error amplifier, a voltage buffer, a PSR enhancement circuit, and an NMOS power transistor. The voltage buffer uses a unity-gain negative feedback configuration, employing a smaller quiescent current at the same output impedance. At the output voltage... V OUT When the voltage rises, the error amplifier and voltage buffer suppress the rise through a negative feedback loop. V OUT To achieve circuit stability, the PSR enhancement circuit uses a high-pass filter for sampling. V OUT Ripple at mid-to-high frequencies creates negative feedback, generating gain that acts on... V OUT This ultimately improves power supply rejection at mid-to-high frequencies. Compared to PMOS transistors, using NMOS transistors as power transistors allows for a smaller footprint while maintaining the same current. This invention offers advantages such as low power consumption, high PSR, and small footprint, making it suitable for mobile smart terminals, embedded systems, low-power IoT devices, and various high-precision analog circuit systems sensitive to power supply noise.

The application discloses a pre-stabilization circuit, a PCB and a controller, comprising a start bias unit, a pre-stabilization unit, an enable control unit, a high-voltage bandgap reference unit and an output buffer unit. The start bias unit can provide forced start at the moment of power-on, ensure the circuit to get rid of the degenerate point and establish stable bias, and automatically exit after the start is completed. The pre-stabilization unit generates two signals based on the bias: one is a driving signal suitable for high-voltage LDMOS, which improves the high-voltage adaptability of the circuit; the other is a control signal of the reference circuit, which is used for enable management. The enable control unit selects the control signal through an external signal, realizes work mode control, and cuts off the bias to reduce static power consumption when it is turned off. The high-voltage bandgap reference unit starts after obtaining the driving and bias, uses internal temperature compensation and closed-loop adjustment mechanism to output low-drift reference voltage. The output buffer unit enhances the load capacity of the reference voltage, and forms a global closed loop through feedback.

This application discloses an active display control device based on gallium arsenide (GaAs) optoelectronic devices. In this device, the GaAs heterojunction field-effect transistor used in the array driving unit, leveraging the material's high electron mobility and the two-dimensional electron gas structure formed by the heterojunction, can instantaneously control the luminous state of the display pixels. Furthermore, it is electrically connected to each display pixel in a one-to-one correspondence, eliminating signal lag caused by multiplexing. Additionally, the GaAs CMOS logic unit, utilizing the properties of GaAs material, can significantly reduce the signal transmission delay of logic gate circuits. Combined with the high-frequency modulation characteristics of pulse width modulation signals, it effectively improves the smoothness of dynamic image transitions. Regarding high-frequency power consumption control, the GaAs heterojunction field-effect transistor can significantly reduce Joule heat loss and static power consumption during high-frequency switching. The cascaded structure of the array driving unit and the GaAs CMOS logic unit can reduce signal attenuation and distortion at high frequencies, reducing the power consumption of the auxiliary amplifier circuit.

This application relates to the field of smart meter technology, specifically to a smart meter designed to address the technical problem of reducing power consumption in smart meters, thereby ensuring product compliance and improving the product's green energy efficiency. To this end, the smart meter of this application includes a rectifier module, a DC power supply module, and a communication module. The rectifier module provides a first DC voltage to the DC power supply module. The DC power supply module includes a DC-DC converter; the fifth terminal of the DC-DC converter is connected to the first DC voltage, and the sixth terminal of the DC-DC converter is connected to the communication module, used to convert the first DC voltage into a third DC voltage to power the communication module. Through this configuration, the smart meter of this application has lower heat loss and higher conversion efficiency, thereby effectively reducing the power consumption of the smart meter.

The utility model provides a kind of vehicle light driving system for reducing static power consumption, belong to vehicle light driving technical field, including vehicle light and the vehicle light driving module being connected to vehicle light;Vehicle data acquisition module, vehicle data acquisition module at least includes speed acquisition unit and ambient light acquisition unit;Vehicle light parameter feedback module, vehicle light parameter feedback module connects vehicle light;Main control module, the input of main control module is connected speed acquisition unit, ambient light acquisition unit and vehicle light parameter feedback module respectively, and the output of main control module is connected vehicle light driving module.There is beneficial effect: the utility model is by being arranged vehicle data acquisition module and vehicle light parameter feedback module, can obtain the driving speed of vehicle, ambient light intensity information and vehicle light state parameter in real time, and the opening and closing state and brightness of adaptive control vehicle light, to reduce static power consumption, reach the purpose of energy saving.