Circuit for a small electric appliance with an accumulator and method for measuring a charging current
The invention relates to a supply voltage circuit for a small electrical appliance that contains a battery, an electric motor, a controllable switch, a control circuit and a DC-to-DC converter, wherein the electric motor is connected to the battery by means of the controllable switch and the DC-to-D...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
24.06.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a supply voltage circuit for a small electrical appliance that contains a battery, an electric motor, a controllable switch, a control circuit and a DC-to-DC converter, wherein the electric motor is connected to the battery by means of the controllable switch and the DC-to-DC converter powers the control circuit from the battery. The control circuit controls the controllable switch in such a way that the electric motor is operated with pulsed voltage, whereby the pulsed voltage has a pulse-pause ratio whose pause is such that the DC-to-DC converter will even power the control circuit if it only operates during the pauses. |
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Bibliography: | Application Number: EP20120184300 |