AEM20940 – Energy Harvesting Power Management IC



Ultra-low-power start-up

  • – Cold start from 60 mV input voltage and 150 µW input power with the optional external module (typical)
  • – Cold start from 380 mV and 100 µW input power without the optional external module (typical)

Ultra-low-power Boost regulator

  • Configurable MPPT with 2-pin programming
  • Selectable Voc ratios of 50, 55 or 75%
  • Open circuit voltage sensing for MPPT every 21 s
  • Input voltage operation range from 50 mV to 5 V

Integrated LDO regulator at low voltage

  • 1.2/1.8 V, high efficiency
  • Up to 20 mA load current
  • Power gated by external control

Integrated LDO regulator at high voltage

  • Configurable : 1.8-2.5-3.3 V
  • Up to 80 mA load current with 300 mV drop-out
  • Power gated 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 output voltage regulators are available

Optional primary battery

  • Automatically switches to the primary battery when secondary battery is exhausted

Contact us to request an evaluation board


Description Version Updated Download
AEM20940 product brief PB_AEM20940_REV1.2 28/03/2019 Download
AEM20940 data sheet DS_AEM20940_REV1.1 02/04/2019 Download
AEM20940 user guide UG_AEM20940_REV1.0 30/11/2018 Download
AEM20940 EvB Quick Start Guide QSG_EvB_20940_v1.1 25/02/2019 Download
ALTIUM and EAGLE files about the AEM20940 / Simplified schematic and BOM AEM20940_XXC_V1.3 02/08/2019 Download