Signal and Power Integrity Challenges for High Density System-on-Package

As the increasing desire for more compact,portable devices outpaces Moore’s law,innovation in packaging and system design has played a significant role in the continued miniaturization of electronic systems.Integrating more active and passive components into the package itself,as the case for system-on-package(SoP),has shown very promising results in overall size reduction and increased performance of electronic systems.With this ability to shrink electrical systems comes the many challenges of sustaining,let alone improving,reliability and performance.The fundamental signal,power,and thermal integrity issues are discussed in detail,along with published techniques from around the industry to mitigate these issues in SoP applications.

Impact of interconnections and renewable energy integration on the Philippine-Sabah Power Grid systems

This study presents a comprehensive impact analysis of the rotor angle stability of a proposed international connection between the Philippines and Sabah,Malaysia,as part of the Association of Southeast Asian Nations(ASEAN)Power Grid.This study focuses on modeling and evaluating the dynamic performance of the interconnected system,considering the high penetration of renewable sources.Power flow,small signal stability,and transient stability analyses were conducted to assess the ability of the proposed linked power system models to withstand small and large disturbances,utilizing the Power Systems Analysis Toolbox(PSAT)software in MATLAB.All components used in the model are documented in the PSAT library.Currently,there is a lack of publicly available studies regarding the implementation of this specific system.Additionally,the study investigates the behavior of a system with a high penetration of renewable energy sources.Based on the findings,this study concludes that a system is generally stable when interconnection is realized,given its appropriate location and dynamic component parameters.Furthermore,the critical eigenvalues of the system also exhibited improvement as the renewable energy sources were augmented.

Integrated power electronics module based on chip scale packaged power devices

High performance can be obtained for the integrated power electronics module（IPEM） by using a three-dimensional packaging structure instead of a planar structure. A three- dimensional packaged half bridge-IPEM （HB-IPEM）, consisting of two chip scale packaged MOSFETs and the corresponding gate driver and protection circuits, is fabricated at the laboratory. The reliability of the IPEM is controlled from the shape design of solder joints and the control of assembly process parameters. The parasitic parameters are extracted using Agilent 4395A impedance analyzer for building the parasitic parameter model of the HB- IPEM. A 12 V/3 A output synchronous rectifier Buck converter using the HB-IPEM is built to test the electrical performance of the HB-IPEM. Low voltage spikes on two MOSFETs illustrate that the three-dimensional package of the HB-IPEM can decrease parasitic inductance. Temperature distribution simulation results of the HB-IPEM using FLOTHERM are given. Heat dissipation of the solder joints makes the peak junction temperature of the chip drop obviously. The package realizes three-dimensional heat dissipation and has better thermal management.

Towards the Integrating Wind Power into Power Grid in China

With abundant wind resources and high pressure imposed on en-vironmental protection, wind power development has a promising future. Butdue to intermittent nature, wind power can bring into full play only if being con-nected into power grid to ensure its supply reliability and continuity, aswell as operational economy. However, technical and market barriers haveprevented wind power from integrating into power grid. To foster wind powerdevelopment, these barriers should be removed by both government incentivepolicies and sophisticated technologies.

Multi-agent and ant colony optimization for ship integrated power system network reconfiguration

Electric power is widely used as the main energy source of ship integrated power system(SIPS), which contains power network and electric power network. SIPS network reconfiguration is a non-linear large-scale problem. The reconfiguration solution influences the safety and stable operation of the power system. According to the operational characteristics of SIPS, a simplified model of power network and a mathematical model for network reconfiguration are established. Based on these models, a multi-agent and ant colony optimization(MAACO) is proposed to solve the problem of network reconfiguration. The simulations are carried out to demonstrate that the optimization method can reconstruct the integrated power system network accurately and efficiently.

Integrated Power and Single Axis Attitude Control System with Two Flywheels

The existing research of the integrated power and attitude control system（IPACS） in satellites mainly focuses on the IPACS concept,which aims at solving the coupled problem between the attitude control and power tracking.In the IPACS,the configuration design of IPACS is usually not considered,and the coupled problem between two flywheels during the attitude control and energy storage has not been resolved.In this paper,an integrated power and single axis attitude control system using two counter rotating magnetically suspended flywheels mounted to an air table is designed.The control method of power and attitude control using flywheel is investigated and the coupling problem between energy storage and attitude control is resolved.A computer simulation of an integrated power and single axis attitude control system with two flywheels is performed,which consists of two counter rotating magnetically suspended flywheels mounted to an air rotary table.Both DC bus and a single axis attitude are the regulation goals.An attitude ＆ DC bus coordinator is put forward to separate DC bus regulation and attitude control problems.The simulation results of DC bus regulation and attitude control are presented respectively with a DC bus regulator and a simple PD attitude controller.The simulation results demonstrate that it is possible to integrate power and attitude control simultaneously for satellite using flywheels.The proposed research provides theory basis for design of the IPACS.

Special report on relationship between wind farms and power grids

The installed capacity of a large scale wind power plant will be up to a number of hundreds MW, and the wind power is transmitted to load centers through long distance transmission lines with 220 kV, 500 kV, or 750 kV. Therefore, it is necessary not only considering the power transmission line between a wind power plant and the first connection node of the power network, but also the power network among the group of those wind power plants in a wind power base, the integration network from the base to the existed grids, as well as the distribution and consumption of the wind power generation by loads. Meanwhile, the impact of wind power stochastic fluctuation on power systems must be studied. In recent years, wind power prediction technology has been studied by the utilities and wind power plants. As a matter of fact, some European countries have used this prediction technology as a tool in national power dispatch centers and wind power companies.

Thermal Resistance Testing Technology Research of Integration High Power-LED

In this paper,high-power LED with many integrated chips is used as thermal resistance analysis research object, and we do thermal resistance testing technology research on it. We put forward the thermocouple point contact test method. According to the principle that LED forward voltage changes with temperature,LED heat sink to surface temperature distribution is studied directly in the test,and then we analyze the thermal resistance of high-power LED with many integrated chips when its secondary packaging is introduced. This method makes the measurement of thermal resistance of LED more rapid and convenient. It provides an effective assessment method for the analysis of high power LED device design and engineering application.

Reliability of Power System Integrated with Wind Generation Considering Carbon Tax

This paper proposes a method to evaluate the reliability of power system with different capacities of wind power while considering carbon tax. The proposed method is a hybrid approach which combines Frequency and Duration (F&D) method and Monte Carlo Simulation (MCS) method. MCS method is used to achieve a model to simulate the random status of power system. Also, the proposed method is applied on the IEEE 14-bus test system to investigate the effects of integrating different capacities of wind energy to the reliability of power system with considering carbon tax.

Operation and Development of Grid-Integrated Jiuquan Wind Power Base

In this paper the author describes the current development of tbe 10-GW wind power base in Jiuquan, Gansu Province. The.future planning of the wind power base and the relevant power grid are also introduced based on the assessment on the wind resources and the wind power operation with the grid.

Power Integrations与Casambi Technologies联合推出调光调色智能照明参考设计

12 W LED筒灯设计支持借助智能手机应用程序通过蓝牙进行先进的调光和色彩管理高效率、高可靠性LED驱动器IC领域的世界领导者Power Integrations公司与Casambi Technologies OY联合发布一款全新的参考设计(DER—612)。这是一款适用于智能照明应用的具备功率因数校正的恒压(CV)、恒流(CC)12

Power Integrations推出LYTSwitch-6 LED驱动器IC,可实现高效率和极低待机功率

高效率、高可靠性LED驱动器IC领域的业界领导者Power Integrations公司今日推出LYTSwitchTM-6系列安全隔离型LED驱动器IC,为智能照明应用再添新选择。新IC可提供65 W无闪烁输出,效率可高达94%,并且待机功率低至15 mW,同时提供支持两级或单级PFC的配置选项。LYTSwitch-6 IC针对家用和商用照明以及薄型天花板凹槽灯应用而设计。

Power Integrations推出LYTSwitch-6 LED驱动器IC,可实现高效率和极低待机功率

高效率、高可靠性LED驱动器IC领域的业界领导者Power Integrations公司今日推出LYTSwitch?-6系列安全隔离型LED驱动器IC,为智能照明应用再添新选择。新IC可提供65 W无闪烁输出,效率可高达94%,并且待机功率低至15 m W,同时提供支持两级或单级PFC的配置选项。LYTSwitch-6 IC针对家用和商用照明以及薄型天花板凹槽灯应用而设计。

A Low Power Non-Volatile LR-WPAN Baseband Processor with Wake-Up Identification Receiver

The paper proposes a low power non-volatile baseband processor with wake-up identification(WUI) receiver for LR-WPAN transceiver.It consists of WUI receiver,main receiver,transmitter,non-volatile memory(NVM) and power management module.The main receiver adopts a unified simplified synchronization method and channel codec with proactive Reed-Solomon Bypass technique,which increases the robustness and energy efficiency of receiver.The WUI receiver specifies the communication node and wakes up the transceiver to reduce average power consumption of the transceiver.The embedded NVM can backup/restore the states information of processor that avoids the loss of the state information caused by power failure and reduces the unnecessary power of repetitive computation when the processor is waked up from power down mode.The baseband processor is designed and verified on a FPGA board.The simulated power consumption of processor is 5.1uW for transmitting and 28.2μW for receiving.The WUI receiver technique reduces the average power consumption of transceiver remarkably.If the transceiver operates 30 seconds in every 15 minutes,the average power consumption of the transceiver can be reduced by two orders of magnitude.The NVM avoids the loss of the state information caused by power failure and energy waste caused by repetitive computation.

Enhancing Wind Power Integration through Optimal Use of Flexibility in Multi-Carrier Energy Systems from the Danish Perspective

Denmark’ goal of being independent of fossil energy sources in 2050 puts forward great demands on all energy subsystems (electricity, heat, gas and transport, etc.) to be operated in a holistic manner. The Danish experience and challenges of wind power integration and the development of district heating systems are summarized in this paper. How to optimally use the cross-sectoral flexibility by intelligent control (model predictive control-based) of the key coupling components in an integrated heat and power system including electrical heat pumps in the demand side, and thermal storage applications in buildings is investigated.

Power Integrations离线式小功率变换器IC LinkSwitch-XT2系列

Power Integrations推出Link Switch-XT2系列离线式小功率变换器IC,新器件可提供高精度、高效率以及出色的空载性能。Link Switch-XT2 IC适用于要求对输出电压和输出电流提供精确调整的隔离及非隔离反激式应用。新IC在宽输入范围设计中可提供6.1W的输出功率,在230VAC敞开式应用中可提供9.2W的输出功率。Link Switch-XT2产品系列适用于反激式拓扑结构。

Power Integration LinkSwitch-TNZ 10W隔离反激电源参考设计DER-879

Power Integration公司的LinkSwitch-TNZ系列组合了功率转换和无损耗AC零交叉信号,用于系统时钟和计时功能.采用高度集成的LinkSwitch-TNZ系列比分立器件实现更加灵活,节省元件数量40%或更多.每个器件集成了725V功率MOSFET,振荡器,用于自偏压的高昂压电流源,频率抖动,快速(逐个周期)电流限制,滞后的热关断,输出和输入过压保护电路.LinkSwitch-TNZ集成电路待机时的功耗小于100mA,能满足世界各地无负载和待机调节要求.MOSFET限流模式可通过BYPASS引脚电容数值来选择.大电流限制提供最大限度连续输出电流而采用非常低成本和小面积表面贴装电感.器件具有全套保护特性.

Power Integrations推出全新5A峰值电流门极驱动器,可降低系统复杂度及成本

中高压逆变器应用领域IGBT和MOSFET驱动器技术的领导者Power Integrations推出SCALE-i Driver?IC家族最新成员SID1102K——采用宽体e SOP封装的单通道隔离型IGBT和MOSFET门极驱动器。新器件具有5 A峰值驱动电流,在不使用推动级的情况下可驱动300 A开关器件;可以使用外部推动级以高性价比的方式将门极电流增大到60 A峰值。

Power Integrations推出无需中线连接的墙壁开关方案,可实现对智能家居照明的无线控制

适用于现有布线及LED照明应用的单极智能墙壁开关参考设计高效率、高可靠性LED驱动器IC领域的世界领导者Power Integrations近日发布一款全新的参考设计DER-622。这是一款可兼容住宅改造中最常见的布线条件的智能墙壁开关。出他们的产品。通常,具备无线连接、人体感应传感和/或语音控制功能的智能墙壁开关都需要中线连接为装置供电,这种要求在对现有线路进行改造的情况下有时难以满足。