248 results about "Power application" patented technology

The invention relates to an electric power mobile application security protection method based on a swan gap microkernel, which comprises the following steps of: S1, establishing a hardware trust root, and storing a device root key and a certificate chain by utilizing a non-tampering storage area built in a chip; s2, establishing a complete trusted boot chain based on a hardware root of trust, and verifying the integrity and credibility of the next layer by each layer from Bootloader to a swan microkernel and then to an application program; s3, constructing a triple authentication system based on user identity, equipment identity and biological characteristics, and performing user authentication; s4, according to a user authentication result, realizing fine-grained authority control based on an RBAC model and ABAC, and ensuring that authority check can be executed during resource access every time by utilizing an IPC security mechanism of a swan micro kernel; and S5, creating an independent execution environment for each power application according to the process isolation capability of the swan microkernel, and ensuring that memories among the applications cannot be mutually accessed through virtual address space isolation. The reliability of power mobile application safety protection is effectively improved.

The invention discloses a high-safety anti-overload fast-charging electronic wire harness system and an electronic wire harness, and belongs to the technical field of electronic wire harness safety protection, and the system comprises a sensing module, a load prediction modeling module, an anomaly detection module, a bypass control module, a central fast-charging regulation and control module and an optimization module. A local load prediction function is constructed by collecting a current change rate and a conductor thermal response curve at the initial stage of fast charging in real time, a resistance abrupt change area is judged, and dynamic current limiting and bypass shunting are carried out; the central module can adjust charging parameters of the next cycle according to historical load characteristics, and the optimization module corrects a prediction model through multi-cycle learning to realize adaptive control; the electronic wire harness integrates a thermoelectric sensor, a resistance sampling unit and a controllable bypass path, and has quick response and local shunting functions; the overload protection capability and the operation safety of the electronic wire harness in the fast charging system can be effectively improved, and the method is suitable for high-power application scenes such as new energy automobiles and high-speed charging piles.

The embodiment of the invention provides a heterogeneous computing power scheduling method and system, and relates to the field of computing power application. The system comprises a scheduling control center and a plurality of computing nodes. And the scheduling control center searches a resource library based on the task tag of the to-be-processed task so as to find a matched target resource tag. The resource label is generated based on the hardware attribute information of the computing node, the task label represents the hardware requirement of the to-be-processed task for the computing resource, and the computing node suitable for scheduling the to-be-processed task can be accurately found by comparing the task label with the resource label. And finding a target computing node by using the hash value of the unique identification computing node, and scheduling the to-be-processed task by using the target computing node. By adopting a resource unique identification mechanism based on a hash value and a scheduling strategy based on matching of a task label and a resource label, the accuracy and stability of heterogeneous computing power resource scheduling can be effectively improved, and the problem of task scheduling failure caused by resource identification conflicts or label configuration errors is reduced.

The invention provides a spacecraft thermal test thermal response automatic test method and system. The method comprises the steps that S1, preset configuration information is acquired, and a resistance interpretation test is carried out on a current power output loop; s2, initial test current is applied to the power output loop passing the test, and the temperatures of all test points are obtained regularly; and S3, judging whether the temperature change of the measuring point meets the response condition or not, if so, judging that the power output loop is matched with the measuring point meeting the response condition, and testing the next power output loop, and if not, returning to the step S2 and increasing the test current step by step until the measuring point meeting the matching condition exists. The testing process is high in safety, it is initially determined that the configuration of the power output loop is not abnormal, then the matching performance of the temperature measuring point and the power output loop is determined step by step in a stepped power-up mode, and the problems that due to the fact that the current applied to the power output loop is too large for a long time, a heating piece is burnt or the temperature of a product is abnormal are completely eradicated.

The invention belongs to the technical field of power devices, and provides a silicon carbide power device, a preparation method thereof and a chip, a plurality of P-type floating islands are arranged between an N-type drift region and a top epitaxial region, so that the clamping effect on saturation current can be increased, the short-circuit characteristic is strengthened, and the performance of the device is improved. Meanwhile, the self-depletion effect of the P-type floating island is beneficial to reducing capacitance between the first electrode layer and the grid electrode in the device, the switching characteristic of the device is improved, and the trade-off relationship between breakdown voltage and on-resistance can be effectively balanced under the condition of a relatively shallow P-type well region and a relatively deep doped current expansion region, so that the performance of the device is improved. On-resistance of the device is optimized on the premise that breakdown voltage is not affected, and the requirement of high-power application for device performance is met.

The invention discloses an MBUS (Meter Bus) slave enhancing system, which is suitable for a remote meter reading system of an instrument, and is particularly suitable for an MBUS bus environment with a large number of slaves and complex communication. The enhancement system comprises a main control unit, an MBUS communication interface module, a reset system, a four-way independent MBUS output module, a voltage monitoring module, a current protection module and an abnormity identification and reporting mechanism. And the main control unit communicates with the concentrator through an MBUS interface, analyzes an instruction and controls the states of the four output channels, and each channel can be connected with at most two slaves and supports independent switching and state monitoring. When short circuit, dynamic current interference or abnormal current occurs in a certain path, the system can automatically turn off the path and report abnormal information to the concentrator. The enhanced system supports segmented control and dynamic scheduling of communication loads, the communication stability and the meter reading success rate of the system are remarkably improved, and the enhanced system is particularly suitable for low-power-consumption application in a battery power supply scene. The device can be seamlessly accessed to the existing MBUS system, and has good compatibility.

The invention discloses an energy storage system cell equalization decision-making method, equipment, a medium and a program product, and relates to the field of battery detection equipment. In the method, when it is monitored that a target cell unit triggers a preset equalization condition, historical operation data is acquired, and based on the data, a long-term aging rate representing a long-term health risk of a cell is calculated, a power fluctuation characteristic of a system application scene is identified, and a recoverable electric quantity of a current equalization income is quantified. According to the method, the balancing task in a high-power application scene can be preferentially processed; and for other scenes, the risk urgency obtained by mapping the long-term aging rate is combined with the recoverable electric quantity to generate a comprehensive priority, and a final equilibrium decision is formed according to the comprehensive priority. By implementing the technical scheme provided by the invention, limited balance resources can be applied to the battery cells with high risk and high income, so that the overall operation efficiency and economical efficiency of the energy storage system are improved while the system safety is guaranteed.

The invention discloses an adaptation and cutting method and system based on an electric power terminal equipment swan operating system, and the method comprises the steps: firstly carrying out the adaptation between the function demands and performance requirements of the electric power terminal equipment and the type of the swan operating system and the type of a chip; then, a service management center, an equipment event monitor and an application incubator process are started in sequence through an initialization script, system service adaptation is achieved, hardware nodes needing to be clipped are removed based on a layered clipping strategy, customized function clipping can be conducted on the swan mongolian operating system according to different electric power application scenes, then drive adaptation is conducted, and the operation efficiency of the swan mongolian operating system is improved. According to the method, the power terminal equipment is ensured to stably and efficiently operate under the selected swan-gap operating system, and finally old application transplantation and new application deployment on the power terminal equipment are realized, so that efficient operation and function customization of the power terminal equipment under the swan-gap operating system can be realized; and the overall performance and reliability of the power Internet of Things system are greatly improved.

The invention relates to a multi-security protection method for an electric power application shopping mall, and the method comprises the following steps: S1, collecting and recognizing the fingerprint information of equipment, then carrying out the credibility evaluation of the equipment, and outputting an authenticated and credible user session voucher; s2, dynamically judging a function and a data range which are allowed to be accessed in combination with a shopping mall permission model, and verifying whether the permission conforms to the current application or not in real time; s3, when a user accesses the application, deploying a runtime application self-protection component according to each running application, monitoring the running state of the application in real time, and obtaining monitoring content; s4, establishing an application normal behavior baseline based on a machine learning algorithm, and identifying an abnormal behavior by comparing a real-time behavior with a baseline model according to the monitoring content; and S5, when the security risk is detected, the system automatically executes corresponding response measures according to the risk level. The reliability of the electric power application shopping mall is effectively improved.

The invention belongs to the technical field of high-power electronic component base materials, and discloses an embedded high-thermal-conductivity ceramic packaging substrate for a high-power scene and a preparation method of the embedded high-thermal-conductivity ceramic packaging substrate. ABF composite layers are arranged above and below a ceramic core plate in the ceramic packaging substrate; a high-thermal-conductivity base material is fixed in the ceramic substrate; interconnection holes are formed in the ceramic substrate, and electroplating copper film layers are arranged on the upper surface and the lower surface of the ceramic substrate and in the interconnection holes; a copper-clad plate layer is arranged on the outer side of the ABF layer, a copper-clad plate groove is formed in the copper-clad plate layer, a blind hole is formed in the copper-clad plate groove, and a copper column is arranged in the blind hole; a solder mask layer is arranged on the surface of the ABF layer on the outermost side, a surface treatment layer is arranged on the outer side of the solder mask layer, and blind holes with built-in copper columns are formed in the surface treatment layer. The preparation method comprises the following steps: forming a substrate groove in the surface of the ceramic substrate; embedding a high-thermal-conductivity base material; arranging an electroplating copper film coating layer; an ABF composite layer is arranged; arranging a solder mask layer; and arranging a surface treatment layer. The LED lamp is good in heat dissipation effect.

The invention relates to a domestic environment-oriented power application performance anomaly detection method and system, and the method comprises the following steps: S1, obtaining a domestic basic environment, power real-time data, an application system performance index and a business operation log, and carrying out the preprocessing, and obtaining a multi-dimensional time series data matrix; s2, performing feature engineering and feature optimization based on the multi-dimensional time sequence data matrix to obtain an optimized feature matrix; s3, constructing a multi-level AI anomaly detection model based on the optimized feature matrix in combination with historically labeled anomaly samples; s4, according to the multi-level AI anomaly detection model and the preprocessed real-time data, obtaining an anomaly detection result; and S5, according to an anomaly detection result, obtaining an alarm strategy and a disposal white list, and converting the anomaly detection result into operable alarm and disposal. According to the method, the operation and maintenance pressure and the response risk are powerfully reduced, and the whole-process intelligent and refined management from anomaly detection to alarm disposal is realized.

The invention relates to the technical field of embedded systems, in particular to an embedded system customized and developed for power application, which comprises a dynamic sensing module used for accurately capturing unsteady signals, the dynamic sensing module is coupled and connected with a real-time signal analysis module used for rapidly extracting features of the unsteady signals, and the real-time signal analysis module is coupled and connected with a data processing module. The real-time signal analysis module is in coupling connection with an intelligent scheduling module used for deterministic time delay of key tasks, and the intelligent scheduling module is in coupling connection with a fault-tolerant control module used for reliable operation under abnormal conditions. The method solves the problems that when an embedded system in the prior art adopts a fixed period FFT (128 points / 10ms), the amplitude capture delay of more than 13 times of harmonic waves reaches 15ms, so that the harmonic impedance calculation error exceeds 12%, and ADC sampling is possibly lost when a protection task and a data acquisition task conflict in priority, so that the sampling loss of the ADC is reduced. A power embedded system has the problems of missed detection of harmonic characteristics and conflict defects of task scheduling in a high dynamic load scene.

The invention provides a thermal management method and system suitable for a high-specific-energy power battery, and relates to the technical field of new energy power battery thermal management and safety monitoring, and the method comprises the steps: switching three heat exchange modes based on a thermal load grade, and carrying out the constraint through a hysteresis threshold; and after filtering, constructing a multi-parameter early warning logic, outputting three-level early warning according to a combined threshold value, and executing corresponding treatment. The system comprises a partition box body, a battery module with a composite porous interlayer, a closed thermal management loop and a BMS (Battery Management System) integrated with optical fiber sensing. Structural protection, heat management and monitoring disposal integrated cooperation can be achieved, the data collection precision and heat exchange stability are improved, early accurate early warning can be achieved, fault upgrading is restrained, the operation safety of the power battery is remarkably improved, the service life of the power battery is remarkably prolonged, and the high-power application requirement is met.

The invention discloses a chip structure for high-power packaging and a preparation method thereof, relates to the field of power semiconductor devices, and provides a gallium nitride power device structure applied to high-power application, the gallium nitride power device structure is provided with a thick metal substrate and a thick metal top weldable metal layer, so that the gallium nitride power device structure has good heat dissipation performance and better device reliability; the invention also provides a plurality of methods for forming the gallium nitride power device structure for high-power application, and the method has lower production cost and production stability; the invention further provides a peripheral structure of the gallium nitride power device and a forming method of the peripheral structure, the chip can be prevented from cracking during cutting, and the reliability of the device is improved.

The invention belongs to the technical field of power electronics, and particularly relates to a parallel drive circuit of a silicon carbide power device and a motor drive system.The parallel drive circuit comprises a drive power source, a drive chip, a power switch unit and a plurality of drive shunt units, the current sharing resistor is connected with the auxiliary source electrode of the silicon carbide power device and the common power source electrode node. The problem of current imbalance when a plurality of silicon carbide power devices are used in parallel can be solved, the driving consistency and the system reliability are improved, meanwhile, an overcurrent protection function is provided, and the device is suitable for large-power application scenes such as new energy automobile electric control.

The invention provides a route selection method and device for a computing power network of an intelligent computing center cloud platform based on a predefined rule, and relates to the technical field of intelligent computing centers, intelligent computing centers and computing power infrastructures. Obtaining a destination address carried in the computing power operation data packet, wherein the destination address is a network address of the target computing power application; s2, the gateway queries a computing power network routing table based on the network address of the target computing power application, and obtains a plurality of candidate next-hop routing addresses corresponding to the network address of the target computing power application and a routing priority of each candidate next-hop routing address; s3, the gateway selects an optimal next-hop routing address from a plurality of candidate next-hop routing addresses corresponding to the network address of the target computing power application based on a predefined rule; and S4, the gateway sends the computing power operation data packet to the optimal next-hop routing address.

The present application belongs to the technical field of energy storage economic benefit evaluation, and aims to provide support for new energy storage investment strategies for the future form of power grids. Specifically, a whole life cycle cost evaluation method of energy storage technology suitable for multi-dimensional scenarios is provided, which comprehensively evaluates the economy of different energy storage technologies. The method considers multiple life cycle cost factors such as capital expenditure, operating cost, end-of-life cost and charging cost, and combines energy power ratio (E / P), terrain adaptability and different power application scenarios to simulate and quantify the uncertainty of cost parameters using a Monte Carlo prediction model, and predict the future trend of energy storage technology cost. Finally, intuitive evaluation is performed through detailed cost analysis and the constructed superimposed visualization method. The present application provides scientific decision support for power system planning and energy storage technology investment, and has significant practical value and theoretical significance.

A method including drilling a wellbore using a drill bit connected to a drill string. The drill string includes a vibrational energy harvester and a tool disposed inside a casing of the drill string. The vibrational energy harvester includes a stator including a conductive coil, and a rotor including magnets disposed outside the conductive coil. The rotor is unpowered. The rotor is free to rotate outside the conductive coil, and the rotor is unattached to other components of the drill string. The method also includes generating vibrations in the drill string by engaging the drill bit to a bottom of the wellbore. The method also includes harvesting electricity generated in the stator as the rotor rotates in response to the vibrations. The method also includes supplying, via an electrical connection between the stator and the tool, the electricity to the tool.

The invention provides a high-power application-oriented ultrafast response solid-state micro energy storage module, which comprises an ultrafast response solid-state micro energy storage module main body, the ultrafast response solid-state micro energy storage module main body comprises a solid-state positive electrode unit, a solid-state negative electrode unit, a three-dimensional porous nano-structure electrode substrate, a pulse response type interface modification layer and an embedded micro-channel heat dissipation structure which are arranged in a stacked manner. According to the ultrafast response solid-state micro energy storage module for the high-power application provided by the invention, the collaborative improvement of ultrafast response and high-power output is realized, and the power-energy density tradeoff limitation of a traditional device is broken through; the cycling stability is obviously improved, and the long-term service requirements under extreme working conditions of wide temperature range, high rate and the like are met; the collaborative design of the gradient channel and the asymmetric electrode optimizes ion transmission dynamics and electric field distribution uniformity; the multifunctional interface modification layer and the three-dimensional interpenetrating heat dissipation network synchronously solve the problems of interface failure and thermal runaway.

A flexible bus bar system for connecting printed circuit boards (PCBs), especially suited for high-power applications. The bus bar is constructed from multiple stacked thin sheets of conductive material, imparting flexibility and reducing mechanical stress on connected PCBs in applications prone to shock and / or vibration, such as electric vehicle power systems. The sheets may be laser-cut, optionally enabling formation of intricate geometries and / or integrated direct mounting apertures, potentially eliminating the need for additional connectors or crimps. One or more radiused curves are introduced into a central portion of the bus bar, holding the layers in alignment and providing flexibility and / or elasticity. The assembly may be reinforced with an adhesive-backed heat shrink. Methods of fabrication are also disclosed.

The invention discloses a GaN power electronic device capable of realizing CMOS (complementary metal oxide semiconductor) monolithic integration. The device comprises a substrate, an AlN buffer layer, a first i-GaN channel layer, a p-GaN buried layer, a second i-GaN channel layer, an AlN insertion layer, an AlGaN barrier layer and a p-GaN cap layer from bottom to top, the deep groove for device isolation extends into the AlN buffer layer; the p-GaN cap layer on the AlGaN barrier layer is partially removed, a source electrode and a drain electrode are transversely and sequentially arranged on the AlGaN barrier layer, and a gate electrode is arranged on the reserved p-GaN cap layer; a passivation layer covers the AlGaN barrier layer and the p-GaN cap layer, and interconnection metal is arranged on the source electrode, the drain electrode and the gate electrode, so that the GaN power electronic device with a p-GaN / AlGaN / AlN / i-GaN / p-GaN / i-GaN / AlN structure is formed. According to the invention, not only are the characteristics of high voltage resistance, low power consumption and excellent thermal conductivity and can be applied to high-voltage and high-power application scenarios, but also an enhanced p-channel GaN FET device can be developed based on the structure, a CMOS monolithic integrated phase inverter can be prepared, and monolithic integration of the GaN-based semiconductor device and a driving circuit thereof is realized.

This utility model relates to the technical field of power transmission devices, specifically to a common-enclosure busbar trunking with internal anti-scratching features. It includes a side plate, the outer wall of which is fixedly connected to the side wall of a heat dissipation baffle. The top surface of the heat dissipation baffle has an mounting groove, and the interior of the mounting groove contains a protective layer. The busbar body is placed inside the protective layer. The top surface of the side plate is connected to a cover plate via fixing bolts. The bottom surface of the cover plate has a pressure block, and the bottom surface of the pressure block has a protective strip. This improved common-enclosure busbar trunking effectively protects the busbars within the protective layer and strip by incorporating a protective layer inside the mounting groove, a protective strip on the bottom of the cover plate, and a pressure block. Furthermore, the bottom heat dissipation baffle enhances ventilation and heat dissipation within the enclosure. This design solves the problems of insulation damage caused by scratches inside existing common-enclosure busbar trunkings and the poor heat dissipation of enclosed busbar trunking structures. It is suitable for important power applications.

This application belongs to the field of power device technology and provides a silicon carbide power device and its fabrication method and chip. By setting multiple P-type floating islands between the N-type drift region and the top epitaxial region, the clamping effect on saturation current can be increased, and the short-circuit characteristics can be enhanced. At the same time, the self-depletion effect of the P-type floating islands helps to reduce the capacitance between the first electrode layer and the gate in the device, thereby improving the switching characteristics of the device. Furthermore, in the case of a shallow P-type well region and a deep doped current extension region, the trade-off between breakdown voltage and on-resistance can be effectively balanced, so that the on-resistance is optimized without affecting the breakdown voltage, thus meeting the performance requirements of high-power applications.

This invention discloses a silver paste material for low ESR stacked solid-state capacitors, its preparation method, and the capacitor thereof. The silver paste material is prepared by a method comprising the following steps: S1, organic carrier preparation: mixing a main solvent, a co-solvent, a dispersant, and a plasticizer to obtain an organic carrier; S2, low-speed mixing: first adding all the required proportions of spherical silver powder to the organic carrier and stirring at low speed, then adding flake silver powder in batches and continuing to stir until a uniform paste is formed. By weight percentage, the components of the silver paste material include: 20%~35% flake silver powder, 20%~30% spherical silver powder, 10%~20% main solvent, 2%~4% co-solvent, 13%~30% binder, 2%~4% dispersant, 1%~3% defoamer, and 1%~3% plasticizer. This invention protects the morphological integrity of flake silver powder, forming a dense conductive network. The total silver powder content can be as low as 40wt%. The preparation process is simple, reducing material costs and achieving the best balance between electrical performance and cost. It is suitable for high-power applications such as AI servers, 5G communications, and new energy vehicles.

Assessments of guardrails of LLMs, whether used by an application or within an AI / LM stack, must be dynamic to protect against the ongoing engineering of jailbreaking prompts. An assessment framework has been created that facilitates assessment of language model guardrails. The assessment framework includes a prompt generator and has access to sensitive data (e.g., source code, trade secret, confidential documents, etc.) that occurs in training data of a model being assessed. The framework provides the prompt generator jailbreaking strategies and categories of the sensitive data (e.g., program code, trade secret, confidential document.). With the data categories and the strategies, the prompt generator generates different prompts and submits them to the AI-powered application or LM stack being assessed. The assessment framework then analyzes the outputs / responses from the AI-powered application or LM stack to determine whether guardrails have been subverted and any of the sensitive data has been exfiltrated.

The invention provides a single-phase alternating-current permanent magnet brushless motor which is different from a common single-phase alternating-current motor, a motor stator of the single-phase alternating-current permanent magnet brushless motor is formed by stacking silicon steel sheets with barrel-shaped interiors and armature slots and armature teeth for winding, and a cylindrical rotor is provided with permanent magnets with magnetic lines perpendicular to a motor rotating shaft in the radial direction. Magnetic lines generated by the stator and the rotor are perpendicular to a motor shaft, stator coils are concentrically wound in a distributed mode, the stator coils can be directly used on a single-phase alternating current power supply without a driver, and the speed can be adjusted through a frequency converter. Compared with a traditional single-phase alternating current motor, the motor power and torque are improved under the condition of the same specification, all south and north poles of the magnetic rotor containing the permanent magnets are driven during driving each time, and high electric energy driving efficiency and high power density are achieved. And energy conservation and emission reduction are achieved in daily industrial power application, and wide application prospects are achieved.

The present invention relates to a rotary stage mechanism for a precision press device. The rotary stage comprises a rotary table that rotates around a vertical axis and a stage body that supports the rotation of the rotary table by housing it in an internal space with the rotary table partially pulled down and rotates the rotary table upon power application. The stage housing is fixed to the lower side of a lifting block that moves up and down along a vertical axis by a vertical drive, and fixes the stage body by housing the rotary stage in an internal space with an open lower side. The rotary block is fixed to the upper side of a compression head and is inserted through the lower opening of the stage housing to be fixed coaxially with the rotary table. A bearing for the rotary block is mounted between the stage housing and the rotary block to support the rotation of the rotary block.

A secondary controlled AC-DC converter and method for low frequency operation are disclosed. A secondary controlled AC-DC converter including an oscillator in a primary side controller (PSC) and a method for operating it to enable soft start and low frequency operation are provided. Generally, the method includes driving a power switch coupled between an AC input and a primary side of the converter with a gate drive (GD) signal. At start up and after an automatic restart, the GD signal is generated using an oscillator signal from the oscillator. After receiving a start-stop pulse from a secondary side controller, the oscillator signal is decoupled from the GD signal using a controller in the PSC and the PSC begins generating the GD signal with a pulse width modulation (PWM) generated using the start-stop pulse. The oscillator operates at a first frequency independent of the PWM signal. The PWM signal includes one of a plurality of frequencies selected based on power drawn from the converter and can be less than the first frequency in low power applications.

The invention belongs to the technical field of power application development, and particularly relates to a visual low-code data development platform for the power industry. The platform comprises a data access module for accessing an external data source and a working area for making a data task in the form of a directed acyclic graph so as to process data from the data access module; the working area comprises a node component which is used as a directed acyclic graph node and represents data processing logic; the node assembly comprises an E file processing node and a data connection node, the E file processing node is used for analyzing and processing an E-format file, and the data connection node is used for carrying out data connection and combination on different data tables crossing data sources. According to the invention, the technical problem of great limitation in processing highly-customized power industry business requirements in the prior art is solved.

The invention relates to a high CMTI isolator link design and a related method. Described herein are on-chip isolator devices useful for high power applications designed to enhance high common mode transient immunity (CMTI) without sacrificing isolator gain. The isolator device includes two dies. The first die supports an isolation barrier and the second die is barrier-free. The second die is barrier-free because it lacks an isolation material (e.g., polyimide) typically used to maintain an isolation barrier in an on-chip isolator device. To enhance the CMTI, the second die is equipped with a tapped impedance element having a tap coupling the impedance element to a reference potential (e.g., ground), although no further isolation barrier is formed on the second die. The secondary side of the isolator of the first die is coupled to the tapped impedance element of the second die to create a discharge path for a common mode transient.