Cirrus Logic Inc.

Claire Motion

John Paul Lesso

Toru Ido

Apparatus for delivering power from a battery node of a battery to an output node, the output node coupled to an analyte monitoring device, the apparatus comprising: a slow charging path between the battery node and the output node; a fast charging path parallel to the slow charging path, the fast charging path switchably coupled between the battery node and the output node; and control circuitry configured to: selectively couple the fast charging path between the battery node and the output node to allow faster transfer of charge between the battery node and the output node than the slow charging path.

Apparatus and methods for transferring charge

Circuitry for driving a transducer for an object detection system, the circuitry comprising drive circuitry configured to generate a drive waveform for the transducer, current monitor circuitry for monitoring a current through the transducer, and system identification circuitry. The system identification circuitry is configured to determine a characteristic of the transducer based on a first signal indicative of a drive voltage for the transducer and a second signal indicative of the current through the transducer. The circuitry is operative to adjust the drive waveform based on the determined characteristic of the transducer.

Driver circuitry

Circuitry comprising excitation circuitry for supplying a transducer with an excitation signal to generate a detection signal and current monitor circuitry for monitoring current through the transducer.

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Edinburgh, United Kingdom

Claire Motion