The STEVAL-ISV020V1 is an evaluation board based on the ultralow power energy harvester and battery charger SPV1050. For any detail related to the SPV1050 features and performances please refer to the datasheet.
The evaluation board implements the buck-boost configuration of the DC-DC converter and has the purpose of enhancing the SPV1050 based applications development by testing the silicon performance thanks to many jumpers and test points, and by helping to find out the best system configuration to make the SPV1050 device working at the most of efficiency.
The STEVAL-ISV020V1 board is optimized to: Harvest energy from PV panels supplying 2.6 V ≤ VMP ≤ 9 V and 10 µA ≤ IMP ≤ 20 mA. And charge a battery with the 3.7 V under voltage protection thresholds (VUVP) and 4.2 V end of charge voltage threshold (VEOC).
Nevertheless, few easy changes on the application components (input and output resistor partitioning, CIN capacitor) allow to use a different PV panel and source (like TEG), and battery, by setting the VMPP_SET, the VUVP and the VEOC thresholds according to the source and load. More in detail, operating ranges can be extended as follows: VMP from 150 mV up to 18 V, IMP up to 100 mA, VUVP down to 2.2 V and VEOC up to 5.3 V.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Energy Harvesting |
| Sub-Category | Solar Battery Chargers |
| Eval Board Part Number | 497-15985-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Normally In Stock
|
| Application / Target Market |
Battery Chargers
Energy Harvesting |
| Voltage In |
75 mV ~ 18 V
|
| Cell Type |
Lithium Ion, Li-Ion
Nickel Metal Hydride, NiMH Solid State Battery Module Super-Capacitor Thin Film |
| Voltage Out |
2.6 ~ 5.3 V
|
| Current Out |
70 mA
|
| Features |
Battery Charger
LDO Regulator(s), On-Chip Shutdown, Enable, Standby Status Indication Under Voltage Protection, Brown-Out |
| Component Count + Extras |
13 + 21
|
| Design Author |
STMicroelectronics
|
| Main I.C. Base Part |
SPV1050
|
| Input Power |
Not given
|
| Current In |
0.01 ~ 20 mA
|
| Battery Capacity | |
| Date Created By Author | 2014-05 |
| Date Added To Library | 2018-05 |
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