E-peas AEM10941 User manual

AEM10941
Quick Start Guide EVK
www.e-peas.com © 2020 e-peas S.A. V2.2
FEATURES
Connectors
•1 screw connector + 1 connector FFC/FPC for the Photovoltaic Cell
•1 screw connector + 1 JST connector for the Storage Element
•1 screw connector for Primary Battery
•1 screw connector for HVOUT LDO output (80mA @ 1.8 –4.2 V)
•1 screw connector for LVOUT LDO output (20mA @ 1.2 or 1.8 V)
Configuration
•2 jumpers SELMMP[x] to define the MPPT ratio linked to the harvester technology
•3 Jumpers CFG[x] to define the storage element protection levels
•6 resistors footprint related to the custom mode (CFG[2:0]=000)
•2 jumpers to enable/disable the internal LDOs
•2 jumpers to define the primary battery minimum level
•1 jumper to set the dual cell supercapacitor BAL feature
•1 jumper to set the FB_Cold level (higher coldstart voltage)
Size
•79mm x49mm
•4 x M2.5 Mounting holes
SUPPORT PCB
BOM around the AEM10941
Footprint & Symbol: Available on the web product page
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STEP 1: AEM10941 Configuration
•MPPT ratio: SELMPP[0] –SELMPP[1]
•Storage Element voltages protection: CFG[2] –CFG[1] –CFG[0]
•BAL option: Select “ToCn”for dual-cells supercapcacitor and “GND” for any other
storage
•PRIM option: Connect both jumpers “NoPRIM”or remove them if a primary
battery is connected. Define the lower limit voltage on the primary battery using
R7 and R8:
•100 kΩ ≤ RP ≤500 kΩ
•R7 = (𝑉𝑝𝑟𝑖𝑚_𝑚𝑖𝑛
4* RP) / 2.2 V
•R9 = RP –R7
•LDOs Outputs Voltages: ENHV (HVOUT) –ENLV (LVOUT)
•FBCOLD option:
•100 kΩ ≤ RC ≤10 MΩ
•R7 = 0.38 𝑉
𝑉𝑐𝑠 *RC
•R10 =RP –R9
STEP 2: Connect the Storage Element (and the Primary Battery)
STEP 3: Connect the Load(s) to HVOUT / LVOUT
STEP 4: Connect the Photovoltaic Cell
•Internal Boost efficiency Vs. input voltage:
STEP 5: Check the Status
www.e-peas.com © 2020 e-peas S.A. V2.2