Published:2013/3/6 2:53:00 Author:Ecco | Keyword: 12 Volt, 15 Amp , Low Voltage Disconnect | From:SeekIC
This circuit provides a low voltage disconnect (LVD) function for battery operated 12 Volt DC power systems. It is ideal for use with solar powered battery systems. The LVD1 circuit is designed to protect a battery from excessive discharge. Rechargeable batteries will have a much longer life if they are never allowed to discharge below the manufacturer's recommended minimum voltage.
The LVD1 circuit supports common-ground loads by switching the high side of the load on and off. The LVD1 circuit is protected against reverse battery connection. This circuit is designed to be used in conjunction with the SCC3 solar charge controller, LVD1 and SCC3 kits are available from CirKits.
The circuit features both Automatic and Manual modes of operation. The controls include an On-Off power switch and an On-Off-(On) switch for selecting the Auto-on and (Manual-on) modes of operation. An isolated low voltage detect signal is provided by the circuit, this can be monitored by a computer for a controlled shutdown prior to the disconnection of power.
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