E-peas AEM10941 User Manual
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Also See for AEM10941:
- Quick start manual (2 pages) ,
- Quick start manual (3 pages) ,
- Quick start manual (3 pages)
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Description
The AEM10941 evaluation board is a printed circuit board
(PCB) featuring all the needed components to operate the
AEM10941 integrated circuit (IC). Please refer to the datasheet
for all the useful details about the AEM10941 (Document
DS AEM10941).
The AEM10941 evaluation board allows users to test the e-peas
IC and analyze its performances in a laboratory-like setting.
It allows easy connections to the energy harvester, the storage
element and the low-voltage and high-voltage loads. It also
provides all the configuration access to set the device in any
one of the modes described in the datasheet. The control and
status signals are available on standard pin headers, allowing
users to wire for any usage scenario and evaluate the relevant
performance.
The AEM10941 evaluation board is a plug and play, intuitive
and efficient tool for making the appropriate decisions (com-
ponent selection, operating modes) for the design of a highly
efficient solar energy powered subsystem in your target appli-
cation.
Applications
• PV cell harvesting
• Industrial monitoring
• Geolocation
Appearance
UG AEM10941 REV1.0
UG AEM10941 REV1.0
UG AEM10941 REV1.0
User guide
User guide
User guide
Evaluation board for AEM10941
• Home automation
• E-health monitoring
• Wireless sensor nodes
Copyright c 2018 e-peas SA
Copyright c 2018 e-peas SA
Copyright c 2018 e-peas SA
Features
Four two-way screw terminals
- Source of energy (PV cell)
- Low-voltage load
- High-voltage load
- Primary energy storage element
One three-way screw terminal
- Energy storage element (battery or (super)capacitor)
One zero insertion force (ZIF) connector
- Alternative connection for the source
One 2-pin "Shrouded Header"
- Alternative connection for the storage element
Eight 3-pin headers
- Maximum power point (MPP) configuration
- Low drop-out regulators (LDOs) enabling
- Energy storage elements and LDOs configuration
- Dual-cell supercapacitor configuration
Three 2-pin headers
- Primary battery configuration
- Cold-start configuration
Provision for ten resistors
- Custom mode configuration
- Cold start configuration
- Primary battery configuration
Three 1-pin headers
- Access to status pins
Device information
Part number
2AAEM10941C0022
AEM10941
AEM10941
AEM10941
Dimensions
76 mm x 50 mm
1
1
1
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Summary of Contents for E-peas AEM10941
- Page 1 - High-voltage load DS AEM10941). - Primary energy storage element The AEM10941 evaluation board allows users to test the e-peas One three-way screw terminal IC and analyze its performances in a laboratory-like setting. - Energy storage element (battery or (super)capacitor)
-
Page 2: Table Of Contents
5 Switching from to the primary battery ..6 AEM10941 behaviour during cold start ..Functional Tests 7 HVOUT at 2.5V ....10 3.1 Start-up . -
Page 3: Connections Diagram
Storage element Warning Mandatory connec on Please refer to Sec on 2.1 before connec ng the board BAL (do ed line) op onal Custom mode If BAL pin is used, use a jumper to connect A 150 µF capacitor CBATT is already soldered on BATT con gura on «BAL»... -
Page 4: Signals Description
Logic output. Asserted when the LDOs can be STATUS[0] enabled. Table 1: Pin description Copyright c 2018 e-peas SA Copyright c 2018 e-peas SA Copyright c 2018 e-peas SA UG AEM10941 REV1.0 UG AEM10941 REV1.0 UG AEM10941 REV1.0... -
Page 5: General Considerations
To avoid damage to the board, users are urged to follow this procedure. Basic configurations The MPP configuration is not available on the AEM10941 evaluation board. The MPP is by default configured to 50 % of as this ratio optimize the proposed rectifier efficiency. -
Page 6: Advanced Configurations
The cold-start voltage (i.e. the voltage needed at startup to resistors R5-R6. turn on the AEM10941) is by default at its minimum value By defining RT = R1+R2+R3+R4 (1 MΩ ≤ RT ≤ 100 MΩ): of 380 mV. This voltage can be tuned by the use of resistors R9-R10. -
Page 7: Functional Tests
This section presents a few simple tests that allow the user - STATUS[0]: Asserted when the LDOs are ready to be to understand the functional behavior of the AEM10941. enabled (refer to Section 7.2 ”Normal mode” of the avoid damaging the board, follow the procedure found in Sec- AEM10941 datasheet) (see Figure 2). -
Page 8: Shutdown
Cold start The following test allows users to observe the minimum volt- age required to coldstart the AEM10941. Be careful to avoid probing any unnecessary node to avoid leakage current induced by the probe. Make sure to properly reset the board to observe Time [s] the cold-start behavior. -
Page 9: Dual-Cell Supercapacitor Balancing Circuit
Time [s] Measurements - BAL: Equal to half the voltage on BATT. Figure 6: AEM10941 behaviour during cold start Copyright c 2018 e-peas SA Copyright c 2018 e-peas SA Copyright c 2018 e-peas SA UG AEM10941 REV1.0 UG AEM10941 REV1.0... -
Page 10: Performance Tests
IHVOUT = 80 mA This section presents the tests to reproduce the performance graphs found in the AEM10941 datasheet and to understand the functionalities of the AEM10941. To be able to reproduce those tests, you will need the following: - 1 voltage source... -
Page 11: Custom Mode Configuration
VBOOST = 2.6 V VBOOST = 3.6 V Measure the following nodes to ensure the correct behaviour VBOOST = 4.1 V of the AEM10941 with respect to the custom configuration: - STATUS[0]: Asserted when the LDOs can be enabled VSRC [V] (i.e. when BATT first rises above Vchrdy). -
Page 12: Pv Cell Characterization
Figure 11, ≈ As presented in Table 4, the MPP configuration of the AEM10941 allows you to select the voltage ratio that opti- mizes the power extraction according to the characteristics of your PV cell.
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