Power supply unit for aerosol generation device

1. A device, comprising:

a plug;

a power supply unit for an aerosol generation device,

wherein the plug includes a plurality of pins having a predetermined pin arrangement,

wherein the power supply unit for the aerosol generation device includes:

a power supply configured to supply power to a heater configured to heat an aerosol source;

a receptacle configured to allow insertion of the plug and configured to receive power for charging the power supply from the inserted plug; and

a charger configured to control charging of the power supply by power received by the receptacle,

wherein the receptacle includes pins connectable to only some of pins among the plurality of pins,

a circuit board on which the receptacle is mounted and at least a part of which is L-shaped; and

a case configured to house the power supply, the receptacle, the charger, and the circuit board,

wherein the case is configured to house the heater and the aerosol source in a cutout portion of the L-shaped circuit board.

2. The device according to claim 1 ,

wherein the receptacle includes pins connectable to pins of some of signal lines among a plurality of signal lines provided in the plug, and

wherein the pins connectable to the pins of some of the signal lines are not connected to other elements mounted on the circuit board.

3. The device according to claim 1 , further comprising:

a connector configured to electrically connect the power supply and the circuit board; and

a controller,

wherein the circuit board includes a first surface and a second surface that is a back surface of the first surface or is positioned on a back side of the first surface,

wherein some of the connector, the controller, the charger, and the receptacle are mounted on the first surface, and

wherein a remainder of the connector, the controller, the charger, and the receptacle is mounted on the second surface.

4. The device according to claim 1 , further comprising:

a connector configured to electrically connect the power supply and the circuit board,

wherein the connector and the charger are mounted on one of left and right sides when viewed from a position where the receptacle is mounted on the circuit board.

5. The device according to claim 1 , further comprising:

wherein the circuit board includes a first surface on which the receptacle is mounted, and a second surface that is a back surface of the first surface, or that is positioned on a back side of the first surface and on which an element is mounted.

6. The device according to claim 5 ,

wherein the element is mounted on a location of the second surface positioned on a back side in a vertical direction of a location of the first surface on which the receptacle is mounted.

7. The device according to claim 1 ,

wherein the receptacle includes a pin connectable to a pin of a power line provided in the plug, and is configured to be unconnectable to a pin of a first signal line among a plurality of signal lines provided in the plug.

8. The device according to claim 7 ,

wherein the receptacle includes a pin connectable to a pin of a second signal line among the plurality of signal lines, and

wherein the second signal line is a signal line used for communication at a speed lower than that of the first signal line.

9. The device according to claim 8 ,

wherein the receptacle is configured to allow insertion of the plug at a first angle and insertion of the plug at a second angle rotated 180 degrees in a rolling direction from the first angle,

wherein the receptacle includes a first pin connectable to a pin of the second signal line of the plug inserted at the first angle, and

wherein the receptacle includes a second pin connectable to a pin of the second signal line of the plug inserted at the second angle,

wherein in the circuit board, the first pin and the second pin are connected in parallel, and

wherein the circuit board includes a protection element connected in parallel to the first pin and the second pin connected in parallel.