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POWER ELECTRONICS
1. SEPIC converter for 12V, gel-type sealed batteries
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Operating input voltage from 6 to 20Vdc
- Adjustable constant current output, to 0.3A, until the battery reaches a floating voltage of 13.6V
- Based on LT1513-2. ON/OFF digital input, TTL level, and Charger-ON LED indicator. Variable efficiency, nominal 75%.
2. Switching power supply board for battery operation.
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Schematics and Application Note.
- Board or Board+Components Kits, Finished power supplies.
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Description: Switching power supply board, designed to operate safely from 12 or 24V battery (48V version too), with options for +5V/1A or 3A regulated. Modules available can be soldered on-board for +/-15V or +/-12V @250mA and -5V, 100mA, regulated. The board has an adjustable low battery alarm and low battery turn off level, using an ICL7665 chip. Also an ON/OFF digital input. Efficiency is 75 to 80%.
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Schematics and Application Note.
- Board or Board+Components Kits, Finished system.
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Description: DC/DC Switching 0,5kW Buck converter, designed for cathodic protection powered by wind or solar PV cells, in 48VDC o 24VDC battery systems . Manual Voltage and Current control. DB25 connector for automatic control and data acquisition.
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Schematics and Application Note.
- Board or Board+Components Kits, Finished system.
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Description: Front-end board for AC current and voltage data acquisiton, using Hall-effect sensors.
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Data Sheets for these sensors.
L&R
Ingeniería - Teófilo de Loqui 58 - 9400 Río Gallegos
- Argentina - TE/FAX +54 (0) 2966 430923
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