This article introduces the power management unit (ADP5091/ADP5092) provided by Analog Devices.

The ADP5091/2 is an ultra-low power power management unit (PMU) solution for intelligent, integrated energy harvesting that can be used efficiently in environments with low available energy, such as PV cells and TEGs. Converts DC power from These devices use a unique circuit design to convert energy harvested from 16 µW to 100 mW of power with sub-µW operating losses.

The ADP5091/ADP5092 also provides the fastest cold start, allowing devices that rely on energy harvesting at low energy levels to take longer to accumulate the amount of energy needed to start up, and thus This may significantly delay the start of functions such as processing, processing, and transmission. As a result, data collection may be missed, operation speed may be delayed, and convenience and satisfaction may decline. The ADP5091/ADP5092 eliminates these issues with an innovative multi-power path design, resulting in faster start-up times and smoother operation.

Energy harvesting is a critical component technology that is key to realizing fully autonomous IoT solutions. The ADP5091/ADP5092 not only provides significant cost savings in applications where battery replacement is prohibitively expensive, but also opens up numerous new application possibilities for applications where battery replacement is not possible or practical. You will be able to generate. Many applications are located in very low-level energy harvesting environments, such as indoors with low light intensity, where it is difficult to harvest solar energy, and there are periodic periods when energy harvesting is not possible at all. This is a major obstacle to harvesting.

Therefore, power management solutions not only enable systems to run well with very little energy, but also efficiently manage energy storage devices to ensure that energy demands are met even when no energy is available. It is necessary to be able to supply enough electricity to meet the demand.