概览

This design uses an ISL85403 synchronous buck or boost-buck controller in the buck-boost configuration to extract power from a supercapacitor (as low as 0.1V).

Buck-Boost Last Gasp Power Supply for Energy Meters Reference Design Board
Buck-Boost Last Gasp Power Supply for Energy Meters Reference Design Board
  • The ISL85403 controller can fully extract the power of the supercapacitor
  • Buck-boost with electrical double-layer capacitor (EDLC) backup with one ISL85403
  • Quiescent current is only 300µA
  • Reliable solution for battery and EDLC-based never-stop systems

设计和开发

云上实验室

使用我们基于 PC 的 GUI，无需物理板即可在虚拟实验室中立即开始配置和测试设计
降压-升压 LastGasp 电表

此设计在降压-升压配置中使用 ISL85403 同步降压或升压降压控制器，以通过超级电容器获取电能（放电低至 0.1V）。