e-peas semiconductors – AEM30940 Thermal Energy Harvesting

Product Overview

Highly-Efficient Regulated Dual-Output,
Ambient Energy Manager for AC or TEG sources
with optional primary battery

AEM30940 is an integrated energy management subsystem that extracts DC power from TEG to simultaneously store energy in a rechargeable element and supply the system with two independent regulated voltages. This allows product designers and engineers to extend battery lifetime and ultimately get rid of the primary energy storage element in a large range of wireless applications like industrial monitoring, home automation, wearables.

FEATURES:

Ultra-low power start-up;
– Cold start from 380 mV input voltage and 3 µW input power (typical)

Ultra-low power boost regulator;
– Open circuit voltage sensing for MPPT every 0.3s
– Configurable MPPT with 2-pin programming
– Selectable Voc ratios of 50, 65, 80, 100%
– Input voltage operation range from 50 mV to 5V
– MPPT voltage operation range from 50 mV to 5V

Integrated 1.2/1.8V LDO regulator;
– Up to 10 mA load current
– Power gated dynamically by external control

Integrated 1.8V-4.2V LDO regulator;
– Up to 80 mA load current with 300 mV drop-out
– Power gated dynamically by external control

Flexible energy storage management;
– Programmable overcharge and overdischarge protection
– For any type of rechargeable battery or (super)capacitor
– Fast supercapacitor charging
– Warns load when battery is running low
– Warns when regulators are switched on

Smallest footprint, smallest BOM;
– Only seven passive external components

Optional primary battery;
– Automatically switches to the primary battery when secondary battery is exhausted

APPLICATIONS:

> Harvesting from a TEG
> Harvesting from piezo generator
> Harvesting from micro turbine generator
> Industrial monitoring
> Home automation
> Wearables
> Smart agriculture

Parts

AEM30940

e-Peas - THERMAL ENERGY HARVES TING Vin 50mV to 5V Highly Eff icient, Dual Regulat
*** CONTACT US FOR VOLUME PRICING ***

£3.30

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