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The Solar Development Kit with e-peas PMIC and CAP-XX Supercapacitors (DEV-EPEAS-CAPXX) makes integrating solar into electronics simple. It includes an e-peas AEM10941 high-performance energy harvesting PMIC, PowerFilm’s thin-film indoor and outdoor solar panels, and CAP-XX thin prismatic supercapacitors.
The AEM10941 efficiently extracts energy from the solar modules, which can be stored in a rechargeable element while also providing two independent regulated voltages to power IoT devices. The integrated power management supports multiple storage element charge configurations, including, Li-Po, Li-ion, LiFePO4, Solid State, and Single/Double cell supercapacitors. Configurations are easily selected by moving pin jumpers to desired positions.
Use Indoor Light series panels for indoor applications and use Classic Application panels for outdoor environments. Solder on the Cap-XX devices to run your IoT device without battery.
See the Quick Start Guide for details on configuring storage element type and other board options.
Dev Kit PCBA
(2) MPT2.4-21 Solar Panel with leads
(2) LL200-2.4-37 Indoor Solar Panel with leads(1)
(1) DMT3N4R2U224M3DTA0 4.2V, 220mF, 21 x 14 x 2.2 mm
- (1) DMF3Z5R5H474M3DTA0 5.5V, 470mF, 21 x 14 x 3.2 mm
60mAh rechargeable Li-Polymer battery
Instructions and product documentation
Use Cases - Power Sources For
BLE Beacons and Tags
Smart Windows and Shades
Field and Herd Monitoring
Other Low Power Electronics
Energy Harvester and Power Management
Cold start at 3μW 380mV
Global quiescent current of 400nA
MPPT ratio configured to 70%
Storage element voltage protection
Primary battery with minimum voltage protection
Two LDO power output rails with enable pins
Dual cell supercapacitor balancing circuit
Internal boost converter (up to 95%): 50mV to 5V
- DMT3N4R2U224M3DTA0 4.2V, 220mF, 21 x 14 x 2.2 mm, -40 to 85°C, ESR 300mΩ
- DMF3Z5R5H474M3DTA0 5.5V, 470mF, 21 x 14 x 3.2 mm, -40 to 70°C, ESR 45mΩ
- High power output for peak current loads (low ESR)
- Sufficient energy storage to handle power surges (high capacitance)
- Wide operating temperature range (-40°C – +85°C)
Screw connector for PowerFilm PV cell
Screw connector for storage element
Multiple PCB footprints for supercapacitors
Screw connector for primary battery
Screw connector for HVOUT LDO output (80mA)
CFG selection jumpers for storage element type
Resistors footprints for custom mode
Jumpers for output enable/disable
Jumpers for primary battery option
Jumper for supercapacitor cell balancing circuit enable
- 58 mm x 49 mm
- 4 x M 2 5 Mounting holes
Harvesting indoor light with the paired LL200-2.4-37 panel provides approximately 80μW in a low light luminosity (200 lux). After eight hours of exposure, the AEM10941 harvester will collect about 1.8 J of energy.
Harvesting outdoor light with the paired MPT2.4-21 panel provides approximately 6.8mW under indirect or ambient sunlight (25% of direct sunlight). After eight hours of exposure, the AEM10941 harvester will collect about 156 J of energy.