Driver circuitry and operation
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 15, 2022
Grant Date -
Feb 17, 2022
app pub date -
May 7, 2021
filing date -
May 7, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This application relates to methods and apparatus for driving a transducer with switching drivers. A switching driver has first and second supply node for receiving supply voltages and includes an output bridge stage, a capacitor and a network of switches. The network of switches is operable in different switch states to provide different switching voltages to the output bridge stage. A controller is configured to control the switch state of the network of switches and a duty cycle of output switches of the output bridge stage based on an input signal to generate an output signal for driving the transducer.
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