E-peas - low-frequency AC sources energy harvesting IC solution - The AEM30330 is an integrated energy management circuit that extracts DC power from an ambient energy harvesting source to simultaneously supply an application and store energy in a storage element. The AEM30330 allows to extend battery lifetime and ultimately eliminates the primary energy storage element in a large range of applications, such as Asset tracking/monitoring, Industrial applications, Retail ESL/smart sensors, Aftermarket automotive systems, Smart home/building.
Key Features:
Ultra-low-power start-up:
Cold start from 275 mV input voltage and 3 µW input power (typical)
Very efficient energy extraction:
open-circuit voltage sensing for Maximum Power PointTracking (MPPT)
Selectable open-circuit voltage ratios from 35% to 80% orfixed impedance
Programmable MPPT sensing period-MPPT voltage operation range from 100 mV to 4.5 V
Adaptive and smart energy management with optionalprimary battery
Load supply voltage
Current drive capability: 30 mA in low power mode, 60 mAin high power mode
Selectable load voltage from 1.2 V to 3.3V
Battery protection features
Selectable over-charge and over-discharge protection for any type of rechargeable battery or (super-)capacitor
Fast super-capacitor charging
Dual cell super-capacitor balancing circuit
Smallest footprint, smallest BOM
Only four external components are required
One 10 µH inductor
Three capacitors: one 10 µF, one 15 µF, one at least 40µF
