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  • Altera FPGA的电源解决方案

    Abstract: Field-programmable gate arrays (FPGAs) are used in a wide variety of applications and end markets, including digital signalprocessing, medical imaging, and high-performance computing. This application note outlines the issues related to powering FPGAs.It also discusses Maxim's solutions for powering Altera® FPGAs.  

    标签: Altera FPGA 电源解决方案

    上传时间: 2013-11-02

    上传用户:zhaoman32

  • 使用H桥变压器驱动器,充电超级电容器

    Abstract: With its small size and large load (10W) capability, the MAX13256 H-bridge transformer driver is an attractive solution forcharging supercapacitors (supercaps). However, a large capacitance on the output of the circuit can force the driver into fault modeat startup, due to the high initial charge current. This application note presents a solution that allows users to charge a largecapacitance without going into fault.

    标签: H桥变压器 驱动器 充电 超级电容器

    上传时间: 2013-10-20

    上传用户:2728460838

  • 汽车应用的电源控制

    Abstract: This article discusses the requirements and design considerations for automotive applications, including those for enginecontrol, infotainment, and body electronics. It also discusses several Maxim devices that are ideal for automotive applications.

    标签: 汽车应用 电源控制

    上传时间: 2013-10-27

    上传用户:jiangxiansheng

  • G3-PLC技术使电动汽车智能化充电

    Abstract: This article explores criteria necessary for reliable communication between electric vehicles (EVs) and electric vehicleservice equipment (EVSE). Data will demonstrate that a G3-PLC system has already met the criteria established by the automotiveand utility industries. Multiple international tests prove that a G3-PLC implementation is the optimal low-frequency solution.

    标签: PLC 电动汽车 智能化 充电

    上传时间: 2014-12-24

    上传用户:逗逗666

  • 电感开关稳压器提高输入电压

    Abstract: Uses the MAX641 switching controller and an external discrete charge pump to step up the input voltage. This circuitcan service low loads and is efficient when the output is two, three, four times the input voltage. Adding the MAX627 MOSdriver can further increase the output current capability.

    标签: 电感 开关稳压器 输入电压

    上传时间: 2013-11-15

    上传用户:zwei41

  • 电源调整与虚拟地

    Abstract: Rail splitting is creating an artificial virtual ground as a reference voltage. It is used to set the signalto match the op amp's "sweet spot." An op amp has the most linear- and distortion-free qualities at that sweetspot. Typically, the sweet spot occurs near the center between the single power rail and ground. In the case ofa number of signals, the virtual ground can control channel DC errors when multiplexing or switching thesignals.

    标签: 电源调整 虚拟地

    上传时间: 2013-10-23

    上传用户:wushengwu

  • 电池管理系统的多点温度测量方案

      Abstract: It is critically important that lithium-ion battery stacks have a good battery-management system for monitoring many cellvoltages and cell temperatures. Without that monitoring, thermal runaway can lead to a battery explosion. This design idea presentsa low-power circuit that measures the temperature of up to 12 thermistors. It powers and configures the multiplexers, and also putsthe muxes into shutdown to save power when not measuring temperatures.

    标签: 电池管理系统 多点 温度测量 方案

    上传时间: 2013-10-29

    上传用户:xwd2010

  • SM发射机电源电压恒定的发射功率

      Abstract: In battery-powered RF transmitters such as garage door openers and remote keyless entry for cars, as the battery drains,

    标签: SM发射机 电源电压 发射功率

    上传时间: 2013-10-23

    上传用户:nanxia

  • 利用高压看门狗定时器加强汽车安全系统

      Abstract: As electronic systems take over many of the mechanical functions in a car—ranging from engine timing to steering andbraking—there is a growing concern about fault tolerance. There should not be a single point of failure that would prevent a car fromat least "limping" off the road or making it to the nearest service station. Redundant systems, watchdog timers, and other controlcircuits are used to reroute signals and perform other functions that ensure that a vehicle can safely make it off the road when afailure occurs.

    标签: 看门狗定时器 汽车安全系统

    上传时间: 2013-11-10

    上传用户:diets

  • 高集成驱动器满足新一代智能手机

      Abstract: This article discusses future trends in the design of smartphones and other consumer products. The discussion focuses onthe importance of integration, which saves valuable PCB space and drives down costs.

    标签: 集成 智能手机 驱动器

    上传时间: 2014-01-13

    上传用户:lhw888