Abstract: The present disclosure relates to a head-wearable hearing device comprising a switched capacitor DC-DC converter. Said switched capacitor DC-DC converter comprises a plurality of individually controllable semiconductor switches and a plurality of flying capacitors. A controller is connected to respective control terminals of the plurality of individually controllable semiconductor switches to configure first and second converter sections to form first and second converter topologies, respectively.

Abstract: The present disclosure relates to a hearing instrument comprising a rechargeable battery source providing a battery supply voltage and a switched capacitor DC-DC converter comprising a DC input coupled to the battery supply voltage for converting the battery supply voltage into a higher or lower DC output voltage. The hearing instrument comprises at least one active circuit connected to the DC output voltage for energizing active components of the at least one active circuit.

Abstract: The present disclosure relates to a head-wearable hearing device comprising a switched capacitor DC-DC converter. Said switched capacitor DC-DC converter comprises a plurality of individually controllable semiconductor switches and a plurality of flying capacitors. A controller is connected to respective control terminals of the plurality of individually controllable semiconductor switches to configure first and second converter sections to form first and second converter topologies, respectively.

Abstract: The present disclosure relates to a head-wearable hearing device comprising a multiple-output switched capacitor DC-DC converter. Said multiple-output switched capacitor DC-DC converter comprises a switch matrix comprising a plurality of individually controllable semiconductor switches and a plurality of flying capacitors connected between respective sets of circuit nodes of the switch matrix. A controller is connected to respective control terminals of the plurality of individually controllable semiconductor switches of the switch matrix to configure first and second converter sections to form first and second converter topologies, respectively.

Abstract: The present disclosure relates to a hearing instrument comprising a rechargeable battery source providing a battery supply voltage and a switched capacitor DC-DC converter comprising a DC input coupled to the battery supply voltage for converting the battery supply voltage into a higher or lower DC output voltage. The hearing instrument comprises at least one active circuit connected to the DC output voltage for energizing active components of the at least one active circuit.

Abstract: The present disclosure relates to a hearing instrument comprising a rechargeable battery source providing a battery supply voltage and a switched capacitor DC-DC converter comprising a DC input coupled to the battery supply voltage for converting the battery supply voltage into a higher or lower DC output voltage. The hearing instrument comprises at least one active circuit connected to the DC output voltage for energizing active components of the at least one active circuit.

Abstract: The present disclosure relates to a head-wearable hearing device comprising a multiple-output switched capacitor DC-DC converter. Said multiple-output switched capacitor DC-DC converter comprises a switch matrix comprising a plurality of individually controllable semiconductor switches and a plurality of flying capacitors connected between respective sets of circuit nodes of the switch matrix. A controller is connected to respective control terminals of the plurality of individually controllable semiconductor switches of the switch matrix to configure first and second converter sections to form first and second converter topologies, respectively.

Abstract: The present disclosure relates to a switched capacitor DC-DC converter configured for converting a DC input voltage into a higher or lower DC output voltage. The switched capacitor DC-DC converter comprises an output voltage regulator utilizing a feedback loop with a multi-level quantizer configured to convert a lowpass filtered control signal into a corresponding digital control signal.

Abstract: The present disclosure relates to a hearing instrument comprising a rechargeable battery source providing a battery supply voltage and a switched capacitor DC-DC converter comprising a DC input coupled to the battery supply voltage for converting the battery supply voltage into a higher or lower DC output voltage. The hearing instrument comprises at least one active circuit connected to the DC output voltage for energizing active components of the at least one active circuit.

Abstract: The present disclosure relates to a switched capacitor DC-DC converter configured for converting a DC input voltage into a higher or lower DC output voltage. The switched capacitor DC-DC converter comprises an output voltage regulator utilizing a feedback loop with a multi-level quantizer configured to convert a lowpass filtered control signal into a corresponding digital control signal.

Abstract: A hearing instrument includes: a microphone comprising a microphone transducer element, wherein the microphone transducer element is configured to provide a transducer signal in response to receipt of sound; a microphone amplification circuit configured to generate an amplified microphone signal based on the transducer signal; a control and processing circuit for receipt and processing of the amplified microphone signal according to a hearing loss of a user; and a level detector configured to detect a level of the amplified microphone signal; wherein the microphone amplification circuit is coupled to a switchable power supply, and wherein the switchable power supply is configured to selectively connect a first power supply voltage, having a first DC voltage level, or a second power supply voltage, having a second DC voltage level higher than the first DC voltage level, to the microphone amplification circuit based on the detected level of the amplified microphone signal.

Abstract: A power control circuit for a hearing device is devised. The power control circuit has a switched-capacitor power supply, a substrate bias control circuit, a reference circuit, a performance monitor circuit, a first plurality of N-type semiconductors and a second plurality of P-type semiconductors. The performance monitor circuit is adapted to monitor the supply voltage, the first substrate bias control voltage and the second substrate bias control voltage, respectively, and is adapted to provide a measure of performance to the substrate bias control circuit. The substrate bias control circuit is adapted to optimize the current consumption of the circuit by continuously altering the levels of the first substrate bias control voltage and the second substrate bias control voltage based on the performance measurement.

Abstract: A power control circuit for a hearing device is devised. The power control circuit has a switched-capacitor power supply, a substrate bias control circuit, a reference circuit, a performance monitor circuit, a first plurality of N-type semiconductors and a second plurality of P-type semiconductors. The performance monitor circuit is adapted to monitor the supply voltage, the first substrate bias control voltage and the second substrate bias control voltage, respectively, and is adapted to provide a measure of performance to the substrate bias control circuit. The substrate bias control circuit is adapted to optimize the current consumption of the circuit by continuously altering the levels of the first substrate bias control voltage and the second substrate bias control voltage based on the performance measurement.

Abstract: A hearing instrument includes: a microphone comprising a microphone transducer element, wherein the microphone transducer element is configured to provide a transducer signal in response to receipt of sound; a microphone amplification circuit configured to generate an amplified microphone signal based on the transducer signal; a control and processing circuit for receipt and processing of the amplified microphone signal according to a hearing loss of a user; and a level detector configured to detect a level of the amplified microphone signal; wherein the microphone amplification circuit is coupled to a switchable power supply, and wherein the switchable power supply is configured to selectively connect a first power supply voltage, having a first DC voltage level, or a second power supply voltage, having a second DC voltage level higher than the first DC voltage level, to the microphone amplification circuit based on the detected level of the amplified microphone signal.