Electronic device having plurality of converters and method for manufacturing same

Patent metadata

Field	Value
Publication number	US-2025149969-A1
Application number	US-202519011898-A
Country	US
Kind code	A1
Filing date	Jan 7, 2025
Priority date	Aug 29, 2022
Publication date	May 8, 2025
Grant date	—

Abstract

An electronic device and a method of forming the electronic device is disclosed. The electronic device includes a first converter including a first transformer and a second transformer of which a primary winding is connected in parallel with a primary winding of the first transformer; and a second converter of which a primary input is connected in parallel with the first converter, and which includes a third transformer and a fourth transformer of which a primary winding is connected in parallel with a primary winding of the third transformer, wherein a secondary winding included in the first converter may be connected in series with a secondary winding included in the second converter.

First claim

1 . An electronic device comprising:
a first converter including a first transformer and a second transformer of which a primary winding is connected in parallel with a primary winding of the first transformer; and a second converter of which a primary input end is connected in parallel with the first converter, and which includes a third transformer and a fourth transformer of which a primary winding is connected in parallel with a primary winding of the third transformer, wherein a secondary winding included in the first converter is connected in series with a secondary winding included in the second converter.

2 . The electronic device of claim 1 , wherein
a secondary winding of the first transformer is connected in series with a secondary winding of one of the third transformer or the fourth transformer, and a secondary winding of the second transformer is connected in series with a secondary winding of the other one of the third transformer or the fourth transformer.

3 . The electronic device of claim 1 , wherein
the first converter further includes:
a first switch controlled by a first gate signal, and
a second switch controlled by a second gate signal, and
the second converter further includes:
a third switch controlled by the first gate signal, and
a fourth switch controlled by the second gate signal.

4 . The electronic device of claim 1 , further comprising:
control circuitry configured to:
based on the second converter not being detected, provide an output voltage from one end of a secondary winding of the first transformer and one end of a secondary winding of the second transformer, and
based on the second converter being detected, provide an output voltage from one end of a secondary winding of the third transformer and one end of a secondary winding of the fourth transformer.

5 . The electronic device of claim 1 , further comprising:
a third converter of which a primary input end is connected in parallel with the first converter and the second converter, and which includes a fifth transformer and a sixth transformer of which a primary winding is connected in parallel with a primary winding of the fifth transformer, wherein
a secondary winding of the first transformer is connected in series with a secondary winding of the third transformer,
a secondary winding of the second transformer is connected in series with a secondary winding of the sixth transformer, and
a secondary winding of the fourth transformer is connected in series with a secondary winding of the fifth transformer.

6 . The electronic device of claim 1 , further comprising:
a first diode of which an anode is grounded; a second diode of which an anode is grounded; a third diode of which an anode is grounded; a fourth diode of which an anode is grounded; and an output capacitor of which one end is grounded, wherein
a secondary winding of the first transformer includes a secondary first winding of the first transformer of which one end is connected to a cathode of the first diode and a secondary second winding of the first transformer of which one end is connected to a cathode of the second diode,
a secondary winding of the second transformer includes a secondary first winding of the second transformer of which one end is connected to a cathode of the third diode and a secondary second winding of the second transformer of which one end is connected to a cathode of the fourth diode,
a secondary winding of the third transformer includes a secondary first winding of the third transformer of which one end is connected to the other end of the secondary first winding of the first transformer and of which other end is connected to the other end of the output capacitor, and a secondary second winding of the third transformer of which one end is connected to the other end of the secondary second winding of the first transformer and of which other end is connected to the other end of the output capacitor, and
a secondary winding of the fourth transformer includes a secondary first winding of the fourth transformer of which one end is connected to the other end of the secondary first winding of the second transformer and of which other end is connected to the other end of the output capacitor, and a secondary second winding of the fourth transformer of which one end is connected to the other end of the secondary second winding of the second transformer and of which other end is connected to the other end of the output capacitor.

7 . The electronic device of claim 1 , further comprising:
an output capacitor of which one end is grounded; a first diode of which a cathode is connected to the other end of the output capacitor; a second diode of which a cathode is connected to an anode of the first diode, and of which an anode is grounded; a third diode of which a cathode is connected to the other end of the output capacitor; a fourth diode of which a cathode is connected to an anode of the third diode, and of which an anode is grounded; a fifth diode of which a cathode is connected to the other end of the output capacitor; a sixth diode of which a cathode is connected to an anode of the fifth diode, and of which an anode is grounded; a seventh diode of which a cathode is connected to the other end of the output capacitor; and an eighth diode of which a cathode is connected to an anode of the seventh diode, and of which an anode is grounded, wherein
one end of a secondary winding of the first transformer is connected to the anode of the first diode,
one end of a secondary winding of the second transformer is connected to the anode of the fifth diode,
one end of a secondary winding of the third transformer is connected to the other end of the secondary winding of the first transformer, and the other end is connected to the anode of the third diode, and
one end of a secondary winding of the fourth transformer is connected to the other end of the secondary winding of the second transformer, and the other end is connected to the anode of the seventh diode.

8 . The electronic device of claim 1 , further comprising:
an output capacitor of which one end is grounded; a first diode of which a cathode is connected to the other end of the output capacitor; a second diode of which a cathode is connected to an anode of the first diode, and of which an anode is grounded; a first capacitor of which one end is connected to the other end of the output capacitor; a second capacitor of which one end is connected to the other end of the first capacitor, and of which other end is grounded; a third diode of which a cathode is connected to the other end of the output capacitor; a fourth diode of which a cathode is connected to an anode of the third diode, and of which an anode is grounded; a third capacitor of which one end is connected to the other end of the output capacitor; and a fourth capacitor of which one end is connected to the other end of the third capacitor, and of which other end is grounded; wherein
one end of a secondary winding of the first transformer is connected to the anode of the first diode,
one end of a secondary winding of the second transformer is connected to the anode of the third diode,
one end of a secondary winding of the third transformer is connected to the other end of the secondary winding of the first transformer, and the other end is connected to the other end of the first capacitor, and
one end of a secondary winding of the fourth transformer is connected to the other end of the secondary winding of the second transformer, and the other end is connected to the other end of the third capacitor.

9 . The electronic device of claim 1 , wherein the first converter and the sec

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Keonwoo
• Kim Moonyoung
• Kang Jeongil

Classifications

• H02M3/33573

  Full-bridge at primary side of an isolation transformer · CPC title

• H02M3/285

  Single converters with a plurality of output stages connected in parallel (parallel operation of a plurality of converters in DC distribution networks H02J1/10) · CPC title

• H02M3/33571

  Half-bridge at primary side of an isolation transformer · CPC title

• H02M1/0077 Primary

  Plural converter units whose outputs are connected in series · CPC title

• H02M3/01 Primary

  Resonant DC/DC converters · CPC title