应用与设计

能量收集器从任一极性的小温差获取工作电源

详情介绍

概览

产品详情

5V System Protected From 80V Overvoltage

LTC4360 过压保护控制器可保护 2.5V 至 5.5V 系统免遭电源过压的损坏。该器件专为具有多种电源选项 (包括墙上适配器、汽车电池适配器和 USB 端口) 的便携式设备而设计。 LTC4360 用于控制一个与输入电源串联的外部 N 沟道 MOSFET。在过压瞬变期间,LTC4360 能在 1μs 的时间之内关断 MOSFET,从而将下游的组件与输入电源隔离开来。电感性电缆瞬变被 MOSFET 和负载电容所消减。在大多数应用中,LTC4360 可提供针对高达 80V 瞬态电压的保护作用,而无需使用瞬态电压抑制器或其他外部组件。

工具及仿真模型

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

LTspice