AEM20940 DATASHEET Highly-efficient, regulated dual-outputs, ambient energy manager
for TEG with optional primary battery
Features Description Ultra-low-power start-up:
-Cold start from 100 mV input voltage and 80 µW input
power with the optional external module (typical)
-Cold start from 380 mV and 3 µW input power without the
optional external module (typical) The AEM20940 is an integrated energy management subsystem that extracts DC power from a TEG to simultaneously
store energy in a rechargeable element and supply the system
with two independent regulated voltages. The AEM20940 allows to extend battery lifetime and ultimately eliminates the
primary energy storage element in a large range of wireless
Ultra-low-power boost regulator:
applications like industrial monitoring, home automation and
-Open-circuit voltage sensing for MPPT every 21 s
smart agriculture.
-Configurable MPPT with 2-pin programming
The AEM20940 harvests the available input current up to
-Selectable Voc ratios of 50, 55 or 75 %
110 mA. It integrates an ultra-low power boost converter to
-Input voltage operation range from 50 mV to 5 V
charge a storage element, such as a Li-ion battery, a thin film
-MPPT voltage operation range from 50 mV to 5 V
battery, a supercapacitor or a conventional capacitor. The
-Constant impedance matching (ZMPPT) …
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