US 12,745,051 B2 · Hearing device having a power source

Abstract

A hearing aid includes: a power source; and a switched capacitor DC-DC converter electrically connected to the power source and having an input part configured for receiving charge from the power source at an input voltage of an input voltage range; an output part having multiple output ports, the output part being configured for supplying charge to the multiple output ports for providing multiple predefined output voltages; at least one flying capacitor configured for redistributing charge from the power source to the multiple output ports and/or in between the output ports; and a switching circuitry having a plurality of switches configured for electrically switching the switched capacitor DC-DC converter based on a switching scheme so as to provide the multiple predefined output voltages based on the input voltage.

Claims20

Dependent claims

A switched capacitor DC-DC converter comprising:

an input part configured for receiving charge from a power source at an input voltage of an input voltage range;
an output part comprising multiple output ports, the output part being configured for supplying charge to the multiple output ports for providing multiple predefined output voltages;
a plurality of flying capacitors configured for redistributing charge from the power source to the multiple output ports or in between the multiple output ports;
and
switching arrangements configured for implementing a capacitor switching scheme so as to provide the multiple predefined output voltages based on the input voltage,
wherein the switching scheme comprises a switching configuration comprising multiple switching sub-configurations, each switching sub-configuration being applied during an associated phase.

3 more elements

A method for operating a switched capacitor DC-DC converter, the method comprising:

providing power of a power source to said switched capacitor DC-DC converter;
receiving, at an input part of the switched capacitor DC-DC converter, charge from the power source at an input voltage;
supplying the charge to multiple output ports of an output part of the switched capacitor DC-DC converter at one or more corresponding output voltages;
redistributing charge from the power source to the multiple output ports or in between the output ports via at least three flying capacitors;
and
electrically switching the switched capacitor DC-DC converter comprising a switching circuitry having a plurality of switches based on a switching scheme so as to provide the multiple predefined output voltages based on the input voltage,
wherein the switching scheme comprises a switching configuration comprising multiple switching sub-configurations, each switching sub-configuration being obtained during an associated phase.

4 more elements

Dependencies are inferred from the claim text.

Hearing device having a power source

Life of this patent

Hearing device having a power source

Life of this patent

Abstract

Claims20