33results about How to "Reduce static loss" patented technology

The invention discloses a static loss control system of vehicle-mounted charging controller, which comprises a charging controller, wherein the charging controller includes a switch unit, a control unit and a pulse trigger unit, the pulse trigger unit is separately electrically connected with a vehicle-mounted power source and the switch unit, the pulse trigger unit is used for inducting pulse signal sent from a power supply unit to control the conduction of the switch unit, and the switch unit controls the on-off of a circuit between the control unit and the vehicle-mounted power source. The static loss control system of vehicle-mounted charging controller of the invention is provided with the pulse trigger unit, which is used for inducting pulse signal sent from a power supply device to control the conduction of the switch unit, thereby realizing the monitoring of connection state of the power supply device and a battery pack to be charged. Only when the power supply device is being connected will the pulse trigger unit respond and control the conduction of the switch unit, thereby reducing the static loss of the vehicle-mounted power source (vehicle-mounted storage battery) effectively.

The invention discloses a gate-controlled gallium oxide field effect transistor based on a p-i-n structure and a preparation method thereof, which mainly solves the problem that the current n-type gallium oxide field effect transistor has a low breakdown voltage and is difficult to turn off. Its bottom-up includes: Ga 2 o 3 Substrate, n‑Ga 2 o 3 An epitaxial layer, the two ends of the upper part of the epitaxial layer are provided with an ion implantation area, and the middle area is provided with a gate electrode; the upper part of the ion implantation area is respectively provided with a source electrode and a drain electrode; the inner surface and the gate electrode are respectively connected to the source electrode and the drain electrode n‑Ga between 2 o 3 Al on top of the epitaxial layer 2 o 3 protective layer; i-Ga between the epitaxial layer and the gate electrode 2 o 3 thin film layer and p-type NiO thin film layer, the p-type NiO thin film layer, i-Ga 2 o 3 thin film layers and n‑Ga 2 o 3 The epitaxial layers form a p‑i‑n structure. The invention improves the performance and reliability of the device and can be used to prepare enhanced gallium oxide devices with high breakdown voltage.

The invention discloses a battery power supply circuit and a power source with the same. The battery power supply circuit comprises a delay module used to delay the transmission of an input voltage to an input control chip, an input control module used to transmit the input voltage to a voltage control module when a post-stage circuit is in a non-dormant mode, an input filter module used to filter the input voltage transmitted by the input control module to the voltage control module, the voltage control module used to boost the input voltage and output the boosted input voltage to the post-stage circuit through an output filter module when the input voltage transmitted by the input control module is lower than the voltage required by the post-stage circuit, and the output filter module used to filter an output voltage signal output by the voltage control module to the post-stage circuit. By adopting the battery power supply circuit and the power source of the invention, the static loss and standby loss of a booster circuit are reduced, the service time of batteries is prolonged, and the utilization rate of batteries is increased.

The invention provides a vehicle auxiliary power supply circuit and system, comprising a constant power input module, a wake-up signal input module, a power management module, a control module, a wake-up signal detection module and a power delay power-off module; an output end of the constant power input module, The output terminals of the wake-up signal input module are respectively electrically connected with the input terminals of the power management module, the output terminals of the power management module are electrically connected with the input terminals of the control module; the output terminals of the wake-up signal detection module are electrically connected with the input terminals of the control module, and control the The output end of the module is electrically connected with the input end of the power supply delay power-off module, and the output end of the power supply delay power-off module is electrically connected with the input end of the power supply management module. After the electric vehicle key is turned off, it can ensure the time-sharing of each high-voltage relay and save the corresponding information when the whole vehicle is powered off. At the same time, it enters the sleep state after a period of time, reduces its static current and reduces the static loss of the low-voltage battery. The advantage of increasing the service life of the battery.