Top specs
  • Vin 50 mV to 2.5 V
  • Cold start -18.5d Bm
  • Pin -18.5 dBm to 10 dBm
  • Pout 20 mA @1.2/1.8 V and 80 mA @ 1.8/2.5/3.3 V
  • MPPT Yes
  • Package QFN28
    5 x 5 mm

Ultra-low-power start-up:

  • RF input power from -19.5 dBm up to 10dBm (typical)
  • Cold start from the RF input or from the storage device

Ultra-low-power boost regulator:

  • Open-circuit voltage sensing for MPPT every 0.33 s
  • Configurable MPPT with 2-pin programming
  • Selectable Voc ratios of 60, 65 or 70%
  • Input voltage operation range from 50 mV to 2.5 V
  • MPPT voltage operation range from 50 mV to 2.5 V
  • Constant impedance Matching (ZMPPT)

Integrated 1.2/1.8 V LDO regulator:

  • Up to 20 mA load current
  • Power gated dynamically by external control
  • Selectable output voltage

Integrated 1.8 V-3.3 V LDO regulator:

  • Up to 80 mA load current with 300 mV drop-out
  • Power gated dynamically by external control
  • Selectable or adjustable output voltage

Flexible energy storage management:

  • Selectable overcharge and overdischarge protection
  • For any type of rechargeable battery or (super)capacitor
  • Fast supercapacitor charging
  • Warns the load when the battery is running low
  • Warns when output voltage regulators are available

Smallest footprint, smallest BOM:

  • Only seven passive external components

Optional primary battery:

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

Integrated balun for dual-cell supercapacitor

AEM40940-RF-energy-harvesting-diagram-epeas

AEM40940 Datasheet Download
AEM40940 Product Brief Download
ALTIUM and EAGLE files about the AEM40940 / Simplified schematic and BOM Download
Configuration Tool Download
Evaluation board (79 x 46 mm) includes the AEM40940 QFN28, its 7 passive components and jumpers to easily configure the AEM. Matching network with adapted balun are provided to directly handle the RF signal from an antenna. Jumpers are used to define the MPPT ratio recommended for the harvester and the protection levels recommended for the storage element. See the online configuration tool for further support. Screw connectors allow the user to connect simply and quickly the load to the HVOUT/LVOUT LDOs output voltages, the rechargeable storage element and the primary battery if used. A SMA connector allow to easily connect a 50Ω impedance antenna as the harvester.  Support is provided in the Quick Start Guide and more technical details are provided in the User Guide.
AEM40940 Evaluation Board Quick Start Guide Download
AEM40940 user guide Download
Evaluation board (79 x 46 mm) includes the AEM40940 QFN28, its 7 passive components and jumpers to easily configure the AEM. Matching network with adapted balun are provided to directly handle the RF signal from an antenna. Jumpers are used to define the MPPT ratio recommended for the harvester and the protection levels recommended for the storage element. See the online configuration tool for further support. Screw connectors allow the user to connect simply and quickly the load to the HVOUT/LVOUT LDOs output voltages, the rechargeable storage element and the primary battery if used. A SMA connector allow to easily connect a 50Ω impedance antenna as the harvester.  Support is provided in the Quick Start Guide and more technical details are provided in the User Guide.
AEM40940 Evaluation Board Quick Start Guide Download
AEM40940 user guide Download