Title:
マイクロコントローラへの動力供給
Document Type and Number:
Japanese Patent JP7025551
Kind Code:
B2
Abstract:
This application relates to methods and apparatus for powering microcontrollers (104), in particular for powering microcontrollers of a personal care product, such as a shaver product (107). The microcontroller is arranged such that a first output port (206-1) of a plurality of output ports of the microcontroller receives, in use, an AC waveform. Each output port has an associated high-side switch (207) electrically connected between the output port and a high-side DC voltage rail and an associated low-side switch (208) electrically connected between the output port and a low-side DC voltage rail. A processing module (202) of the microcontroller is configured to monitor a phase of the AC waveform and to control switching of the associated high-side and low-side switches of the first output port based on the phase of the AC waveform so as to provide a rectified voltage between the high-side DC voltage rail and the low-side voltage rail. The processing module (202) also controls switching of the associated switches of at least a further output port to output a control signal for controlling at least one aspect of operation of a host device.
Inventors:
Veltman, Eddie Helit
Application Number:
JP2020533749A
Publication Date:
February 24, 2022
Filing Date:
December 18, 2018
Export Citation:
Assignee:
KONINKLIJKE PHILIPS N.V.
International Classes:
H02M7/12; H02J1/00; H02J50/10
Domestic Patent References:
| JP2016220351A | ||||
| JP2017505097A | ||||
| JP2017118641A | ||||
| JP10271829A |
Foreign References:
| US20170012553 | ||||
| DE102015211548A1 | ||||
| US5726873 | ||||
| US20160268903 | ||||
| CN102545354A | ||||
| US20170012553 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Osamu Miyazaki
Tadahiko Ito
Osamu Miyazaki
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