Converter device and method

Patent metadata

Field	Value
Publication number	US-11848564-B2
Application number	US-201916657245-A
Country	US
Kind code	B2
Filing date	Oct 18, 2019
Priority date	Dec 12, 2018
Publication date	Dec 19, 2023
Grant date	Dec 19, 2023

Abstract

A converter and a circuit device including the converter are disclosed. The converter includes an inductor including a first end and a second end, and a switching circuit connected to the inductor. The switching circuit includes a first switch to control a connection between the first end and a battery connected to the converter, a second switch to control a connection between the second end and a current output end configured to output a current generated through the inductor from the battery, a third switch to control a connection between the second end and a voltage output end configured to output a voltage generated from the battery, and a fourth switch to control a connection between the second end and a voltage input end configured to receive a voltage to charge the battery.

First claim

What is claimed is:

1. A converter device, comprising:
an inductor having a first end and a second end; and
a switching circuit, connected to the inductor, comprising:
a first switch configured to control a connection between the first end of the inductor and a battery connected to the converter device;
an H-bridge comprising a plurality of switches including a second switch, the H-bridge configured to control a connection between the second end of the inductor and a current output end configured to output a current generated through the inductor from the battery;
a third switch configured to control a connection between the second end of the inductor and a voltage output end configured to output a voltage generated from the battery;
a fourth switch configured to control a connection between the second end of the inductor and a voltage input end configured to receive a voltage to charge the battery; and a freewheeling switch configured to control a connection between the first end of the inductor and the second end of the inductor;

wherein the H-bridge is connected to the second end of the inductor and configured to control a direction in which the current is provided by the current output end,
wherein the freewheeling switch is on during a first interval in a timeslot in which the current is provided and off during a second interval in the timeslot,
wherein a portion of switches of the H-bridge and a fifth switch are off during the first interval in the timeslot and on during the second interval in the timeslot, and
wherein the current is in a form of a pulse wave.

2. A circuit device, comprising:
a battery;
a power receiver configured to receive power to charge the battery;
a converter connected to the battery and the power receiver, comprising an inductor and a switching circuit; and
a controller configured to control switching operations of the switch circuit to provide a switch-on connection of the battery to a first side of the inductor and perform:
a first switching operation to charge the battery by a voltage at a second side of the inductor generated from an input voltage to the converter; and
at least one of:
a second switching operation to generate a current source, at an output of the converter, from the second side of the inductor, or
a third switching operation to generate a maintained constant voltage, at another output of the converter, from another voltage at the second side of the inductor;

wherein the switching circuit further comprises:
a freewheeling switch configured to control a connection between a first end of the inductor and a second end of the inductor, and
an H-bridge comprising a plurality of switches including a second switch, wherein the H-bridge is connected to the second end of the inductor and configured to control a direction in which a current is provided by the current source;

wherein the freewheeling switch is on during a first interval in a timeslot in which the current source is provided and off during a second interval in the timeslot, and
wherein a portion of switches of the H-bridge and a fifth switch are off during the first interval in the timeslot and on during the second interval in the timeslot, and wherein the current is in a form of a pulse wave.

3. The circuit device of claim 2 , wherein the controller is configured to cause at least two of the first switching operation to be performed during a first timeslot, the second switching operation to be performed during a separate second timeslot, or the third switching operation to be performed during a separate third timeslot.

4. A converter device, comprising:
an inductor having a first end and a second end; and
a switching circuit, connected to the inductor, comprising:
a first switch configured to generate a connection between the first end of the inductor and a battery;
an H-bridge comprising a plurality of switches including a second switch, the H-bridge configured to generate a connection between the second end of the inductor and a current output end that provides a current source generated through the inductor from the battery;
a third switch configured to generate a connection between the second end of the inductor and a voltage output end that outputs a first voltage generated through the inductor from the battery;
a fourth switch configured to generate a connection between the second end of the inductor and a voltage input end that receives a second voltage that charges the battery with the first switch generated connection; and
a freewheeling switch configured to control a connection between the first end of the inductor and the second end of the inductor;

wherein the H bridge is connected to the second end of the inductor and configured to control a direction in which a current is provided by the current source,
the freewheeling switch is on during a first interval in a timeslot in which the current source is provided and off during a second interval in the timeslot,
a portion of switches of the H-bridge and a fifth switch are off during the first interval in the timeslot and on during the second interval in the timeslot, and
wherein the current is in a form of a pulse wave.

5. The converter device of claim 4 , wherein the switching circuit further comprises:
a fifth switch configured to control a connection between the first end of the inductor and a ground;
a sixth switch configured to control a connection between the second end of the inductor and the ground; and
a seventh switch configured to control a connection between the second end of the inductor and the battery.

6. The converter device of claim 4 , wherein the switching circuit further comprises:
a sixth switch configured to control a connection between the second end of the inductor and a ground,
wherein the first switch is on during a timeslot in which the current source is provided,
the sixth switch is on during a first interval in the timeslot and off during a second interval in the timeslot, and
the second switch is off during the first interval in the timeslot and on during the second interval in the timeslot.

7. The converter device of claim 4 , wherein the switching circuit further comprises:
a fifth switch configured to control a connection between the first end of the inductor and a ground,
wherein the second switch is on during a timeslot in which the current source is provided,
the first switch is on during a first interval in the timeslot and off during a second interval in the timeslot, and
the fifth switch is off during the first interval in the timeslot and on during the second interval in the timeslot.

8. The converter device of claim 4 , wherein the switching circuit further comprises:
a fifth switch configured to control a connection between the first end of the inductor and a ground; and
a sixth switch configured to control a connection between the second end of the inductor and the ground,
wherein the first switch and the sixth switch are on during a first interval in a timeslot in which the current source is provided and off during a second interval in the timeslot, and
the second switch and the fifth switch are off during the first interval in the timeslot and on during the second interval in the timeslot.

9. The converter device of claim 4 , wherein the switching circuit further comprises:
a fifth switch configured to control a connection between the first end of the inductor and a ground; and
a seventh switch configured to control a connection between the second end of the inductor and the battery,
wherein the fifth switch is on during a timeslot in which the current source is provided,
the seventh switch is on during a first interval in the timeslot and off during

Assignees

• Samsung Electronics Co Ltd

Inventors

• Jung Seungchul
• Kim Sang Joon
• Lee Hankyu
• Lee Hyungwoo

Classifications

• H02J2105/46

  Medical devices, medical implants or life supporting devices · CPC title

• H02J50/10 Primary

  using inductive coupling · CPC title

• H02J50/12

  of the resonant type · CPC title

• H02M3/04 Primary

  by static converters · CPC title

• A61B5/0538

  invasively, e.g. using a catheter · CPC title