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A Single Supply Operation (LT1495)

2017-02-07 18:09  
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This article describes the A Single Supply Operation (LT1495). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: LT1495.

By detecting a voltage drop in resistor connected in series with the battery, we can measure the current flowing in or out? of the battery. A simple differential amplifier do that, but we need both positive supply and negative supply to sense the current in both direction,? the current when charging and discharging the battery. We can use a single supply by separating the circuit for each direction like shown in this circuit:

battery monitor circuit schematic



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