E-PEAS Unveils Constant Voltage PMICs for Intermittent Input Energy Harvesting Arrangements

E-PEAS Unveils Constant Voltage PMICs for Intermittent Input Energy Harvesting Arrangements

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Through the release of a further three new power management ICs (PMICs), e-peas is providing product developers with even greater scope to implement their energy harvesting systems. The innovative engineering breakthroughs of these new devices include constant input voltage regulation, making them uniquely optimized for intermittent and pulsed power inputs, complementary to the existing AEM family.

AEM00330 and AEM00300

The AEM00330 is a full power management chip, whereas the AEM00300 being a storage element charger. Both of them are self-configurable, with the ability to automatically switch between buck, buck-boost and boost operation. This enables faster adjustments with different source, storage and load arrangements (step-up, step-down, etc.) and maximizes these devices’ energy transfer capabilities. They have been designed to respond instantly to the power input once a pre-defined threshold has been exceeded – leading to quick and effective energy extraction. The operating input voltage range goes from 140mV to 4.5V, so power levels of 3µW to 570mW can be managed. Another key feature is their ability to swap from powering the load or the storage element, giving greater flexibility in applications where there should be initial focus on one or the other. Among the potential uses for these devices are door access systems, smart switches for smart home or smart building, point-of-sales (PoS) units and smart running shoes.

AEM00940

The AEM00940 is a boost solution designed for supporting high-efficiency energy transfer from sources having a lower voltage than the storage element. It has an LDO-based output rather than a DC/DC-based one. The selectable operating input voltage spans from 50mV to 4.5V.

As well as pulsed and intermittent sources those three PMICs are highly suited to use with sources that require a long time to reach their open-circuit.

About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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