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Demonstration circuit 1104B is a single-battery standalone charge controller with built-in charge termination featuring the LTC4009-2. The input voltage is 13.5V to 20V. The charger output voltage is programmed by jumpers to support 1-, 2-, 3- and 4-cell Li-Ion batteries with a cell voltage of 4.2V/cell. The maximum charge current is 2A. The demo board is initially configured for 12.6V Li-Ion batteries. The board will automatically charge a battery as soon as input power is applied with a battery connected prior to power up. Status LEDs are provided for CHG, ACP, C/10, and ICL although this charger is not a smart battery charger, a popular smart battery connector is provided that can be used for data-logging with the optional DC410 demo board and software. To be clear, you do not need a smart battery to use this board. The optional DC410 SMBus-to-Serial port adapter and associated software is to monitor a smart battery for demonstration purposes only. Contact your Analog Devices representative for ordering a DC410. This demo board is capable of supporting the LTC4009 and LTC4009-1 with a simple IC swap out. See schematic.