LTC4365
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LTC4365

欠压、过压和电源反向保护控制器

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Info : 推荐新设计使用 tooltip
Info : 推荐新设计使用 tooltip
产品详情
产品模型 32
特性
  • 宽工作电压范围:2.5V34V
  • 过压保护可达60V
  • 反向电源电压保护可达-40V
  • LTC4365:阻止50Hz60Hz交流电源
  • LTC4365-1:快速(1ms)故障恢复
  • 无大多数应用所需的输入电容或TVS
  • 可调欠压和过压保护范围
  • 电荷泵可增强外部N沟道MOSFET
  • 低工作电流:125μA
  • 低关断电流:10μA
  • 紧凑型8引脚、3mm × 2mm DFNTSOT-23 (ThinSOT)封装
  • AEC-Q100通过汽车应用认证

更多细节
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LTC®4365 可为那些电源输入电压有可能过高、过低、甚至为负值的应用提供保护。该器件通过控制一对外部 N 沟道 MOSFET 的栅极电压来实现这种保护功能,以确保输出处于一个安全的工作范围之内。 LTC4365 能承受 -40V 至 60V 的电压,并具有一个 2.5V 至 34V 的工作范围,而在正常运作中的电流消耗仅为 125μA。

两个比较器输入采用一个外部阻性分压器提供了过压 (OV) 和欠压 (UV) 设定点的配置。一个停机引脚负责提供用于使能和停用 MOSFET 以及将器件置于一种低电流停机状态的外部控制。一个故障输出可提供被拉至低电平的 GATE 引脚状态。当器件处于停机状态或输入电压超出了 UV 和 OV 设定点的范围时,将指示有故障发生。

LTC4365 具有一个 36ms 的接通延迟,用于对带电连接实施防反跳并隔离 50Hz 至 60Hz AC 电源。为了在故障之后实现快速恢复,LTC4365-1 将接通延迟缩短至 1ms。



应用

  • 便携式仪表
  • 工业自动化
  • 笔记本电脑
  • 汽车浪涌保护


产品模型 32

产品技术资料帮助

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ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

参考资料

参考资料

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7月 31, 2020

- 20_0245

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

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- 20_0245

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Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

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软件和型号相关生态系统

软件和型号相关生态系统

评估套件

评估套件 2

reference details image

DC1555C-B

LTC4365CTS8-1 Demo Board | High Voltage NFET Driver for UV, OV and Reverse Supply Protection with 1ms Fault Recovery

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DC1555C-B

LTC4365CTS8-1 Demo Board | High Voltage NFET Driver for UV, OV and Reverse Supply Protection with 1ms Fault Recovery

LTC4365CTS8-1 Demo Board | High Voltage NFET Driver for UV, OV and Reverse Supply Protection with 1ms Fault Recovery

产品详情

Demonstration circuit DC1555C is intended to demonstrate the performance of the LTC4365 and LTC4365-1 Undervoltage, Overvoltage and Reverse Supply Protection Controllers. The LTC4365/LTC4365-1 protect circuits from input voltages that may be too high, too low or negative. It operates by controlling the gates of two back-to-back connected MOSFETs to keep the output in a safe range. The OV and UV protection levels are adjusted by resistive dividers at the OV and UV pins. Asserting the SHDN pin disables the MOSFETs and places the controller in a low-current shutdown state. The FAULT pin is asserted when the Controller is in shutdown mode or when the input voltage is outside of the UV or OV level.


 


reference details image

DC1555B

LTC4365CTS8 Demo Board: High Voltage NFET Driver for UV, OV and Reverse Supply Protection

工具和仿真

工具及仿真模型 1

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。

启动此部分的现成LTspice演示电路:

1步:下载并在计算机上安装LTspice

2步:单击下面的链接,下载演示电路。

3步:如果在单击以下链接之后LTspice未自动打开,可通过右击该链接并选择“目标另存为”来运行该仿真。将文件保存到计算机之后,请启动LTspice并从“文件”菜单中选择“打开”来打开演示电路。

参考电路

参考电路 6

Stratix 10 GX PCIE FPGA Development Kit

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intel-stratix-10-fpga-pcie-development-kit

intel-stratix-10-fpga-pcie-development-kit

参考设计

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特性和优点

  • Analog Devices has worked closely with Intel PSG to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • The validated power solutions include uModules power products that address time and space constraints while delivering high efficiency, reliability, and low noise.
  • The actual power tree represents the best solution at time of design.
  • A recommended power tree has also been included to present the ideal solution at time of Stratix 10 GX PCIe development kit release. An updated alternate version of the power tree represents the latest solutions available from Analog Devices. For many applications, an intermediate rail is not ideal, so recommendations an alternate power tree that allow for direct power conversion from 12V input is provided below.
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Knightrider Zynq Ultrascale +MPSOC Automotive Power Delivery Board​ - Top View

Automotive ASIL-D Compliant Power Delivery Board

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knightrider-zynq-ultrascale

Automotive ASIL-D Compliant Power Delivery Board

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参考设计

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Automotive ASIL-D Compliant Power Delivery Board

特性和优点

Xilinx Zynq® UltraScale+™ devices are the industry’s only cost-optimized FPGAs based on an advanced, production-proven 16nm architecture for best-in-class performance/watt.

Analog Devices, Inc. supports ASIL-D compliant automotive power delivery solutions for the Xilinx Zynq UltraScale+ MPSOC. The Knightrider board demonstrates the best-in-class power management supporting ASIL-D compliant solutions for functional safety.

Monolithic solutions are used to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated discrete solutions optimized for cost, efficiency and foot print.

ADI provides supporting documentation including power schematics, layout, LTpowerPlanner® and applicable LTpowerPlay® configuration files to enable you to validate the power solution for your application seamlessly.

For a complete list power designs and use cases, please contact your local FAE.

Key Power for full management devices are used as follows:

  • LT8672
  • LTC4365
  • MAX20410
  • MAX20478
  • MAX20438
  • LTC3307
  • MAX25229
  • MAX17510
查看参考设计详情 external link

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altera-arria-10-fpga-development-kit

altera-arria-10-fpga-development-kit

参考设计

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特性和优点

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree

Altera FPGA

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agilex7-p-tile-e-tile

Altera FPGA

agilex7-p-tile-e-tile

参考设计

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Altera FPGA

特性和优点

  • Intel Agilex 7 F-Series devices target a wide range of applications across many markets. This series offers transceiver rates up to 58 Gbps, advanced DSP blocks supporting multiple precisions of fixed-point and floating-point operations, and high-performance crypto blocks.
  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • Our reference designs are supported by an intuitive design tool set and IP.
  • ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
  • For a complete list power designs and use cases, please contact your local FAE.
查看参考设计详情 external link
agilex7 alternative umodule

Altera FPGA