Power supply system with automatic sensing mechanism and method of operation thereof

• US 10,069,315 B2
• Filed: 07/10/2014
• Issued: 09/04/2018
• Est. Priority Date: 08/25/2010
• Status: Active Grant

• Current Assignee: ClevX LLC
• Original Assignee: ClevX LLC
• Inventors: Johnson, Simon B., Bolotin, Lev M.
• Primary Examiner(s): Henze-Gongola, David V
• Application Number:
  US14/328,657
• Publication Number:
  US 20150008880A1
• Time in Patent Office: 1,517 Days
• Field of Search: 320103, 320114-115
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/342 The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging with circuits for polarity protection H02J7/0034

Abstract

A method of operation of a power supply system includes: providing a source voltage with a power source; generating a device voltage with the source voltage; monitoring the source voltage and the device voltage; and supplying the device voltage to a mobile device with the device voltage controlled by a control unit.

Claims

1. A method of operation of a power supply system comprising:

operating the power supply system having a plurality of power supply states, the plurality of power supply states including a sleep state, a boost state, a boost complete state, and a recharge state,

wherein the operating includes a direct transition from the boost complete state to the sleep state,

A. wherein in the sleep state the power supply system performs;

monitoring a device voltage at a device connector to detect a decrease at a device connector indicating that a mobile device is plugged to the device connector; and

transitioning to the boost state when the mobile device is detected as connected to the device connector;

B. wherein in the boost state the power supply system performs;

providing a source voltage with a power source;

receiving the source voltage with an inductor;

conducting an electric current from the power source with a diode connected in series with the inductor to the device connector;

generating a device voltage at the device connector with the source voltage by a booster circuit comprising a transistor connected in between the inductor and the diode;

monitoring the source voltage and the device voltage; and

supplying the device voltage to the mobile device;

transitioning to the recharge state when the source voltage is less than a threshold voltage;

transitioning to the boost complete state when the source voltage is approximately equal to the device voltage;

C. wherein in the boost complete state the power supply system performs;

turning off the booster circuit causing a change in the source voltage; and

transitioning to the sleep state when the source voltage is approximately equal to the device voltage; and

D. wherein in the recharge state the power supply system performs;

recharge the power source from a charge circuit;

monitoring the source voltage and the device voltage; and

transitioning to the sleep state if the mobile device is unplugged from the device connector and the device voltage is approximately equal to the source voltage.

2. The method as claimed in claim 1 further comprising detecting a decrease in the device voltage with the mobile device connected to a device connector.

3. The method as claimed in claim 1 further comprising detecting a decrease in the electric current from the power source with the mobile device approximately fully charged, wherein the power source is at least one of:

internal to the power supply system, rechargeable, and replaceable.

4. The method as claimed in claim 1 further comprising detecting the source voltage below a predetermined threshold for recharging of the power source.

5. The method as claimed in claim 1 further comprising providing an external voltage to an external device.

6. A method of operation of a power supply system comprising:

operating the power supply system having a plurality of power supply states, the plurality of power supply states including a sleep state, a boost state, a boost complete state, and a recharge state,

wherein the operating includes a direct transition from the boost complete state to the sleep state,

A. wherein in the sleep state the power supply system performs;

monitoring a device voltage at a device connector to detect a decrease at a device connector indicating that a mobile device is plugged to the device connector; and

transitioning to the boost state when the mobile device is detected as connected to the device connector;

B. wherein in the boost state the power supply system performs;

providing a source voltage with a power source;

receiving the source voltage with an inductor;

conducting an electric current from the power source with a diode connected in series with the inductor to the device connector;

generating a device voltage at the device connector with the source voltage by a booster circuit powered by the source voltage, the booster circuit comprising a transistor connected in between the inductor and the diode;

monitoring the source voltage and the device voltage; and

supplying the device voltage to the mobile device;

C. wherein in the boost complete state the power supply system performs;

turning off the booster circuit causing a change in the source voltage; and

transitioning to the sleep state when the source voltage is approximately equal to the device voltage; and

D. wherein in the recharge state the power supply system performs;

recharge the power source from a charge circuit;

monitoring the source voltage and the device voltage; and

transitioning to the sleep state if the mobile device is unplugged from the device connector and the device voltage is approximately equal to the source voltage.

7. The method as claimed in claim 6 further comprising detecting the source voltage approximately equal to the device voltage.

8. The method as claimed in claim 6 further comprising controlling a charge indicator to display a charge status of the mobile device.

9. The method as claimed in claim 6 further comprising rotating a power plug relative to a case that the power plug is in.

10. The method as claimed in claim 6 further comprising recharging the power source with a charge circuit, wherein the power source is at least one of:

internal to the power supply system, rechargeable, and replaceable.

11. A power supply system comprising:

a power source for providing a source voltage;

an inductor, coupled to the power source, for receiving the source voltage;

a diode, coupled to the inductor, for conducting an electric current from the power source, the diode connected in series with the inductor;

a booster circuit, coupled to the power source, for generating a device voltage with the source voltage, the booster circuit comprising a transistor connected in between the inductor and the diode;

a hardware control logic, coupled to the booster circuit, for monitoring the source voltage and the device voltage and for controlling the booster circuit; and

a device connector, coupled to the booster circuit, for supplying the device voltage to a mobile device with the device voltage controlled by the hardware control logic,

wherein the hardware control logic has a plurality of power supply states, the plurality of power supply states including a sleep state, a boost state, a boost complete state, and a recharge state, and wherein the hardware control logic causes a direct transition from the boost complete state to the sleep state;

A. wherein in the sleep state the power supply system performs;

monitoring the device voltage at a device connector to detect a decrease at the device connector indicating that the mobile device is plugged to the device connector; and

transitioning to the boost state when the mobile device is detected as connected to the device connector;

B. wherein in the boost state the power supply system performs;

providing the source voltage with the power source;

receiving the source voltage with the inductor;

conducting the electric current from the power source with the diode connected in series with the inductor to the device connector;

generating the device voltage at the device connector with the source voltage by the booster circuit comprising the transistor connected in between the inductor and the diode;

monitoring the source voltage and the device voltage; and

supplying the device voltage to the mobile device;

transitioning to the recharge state when the source voltage is less than a threshold voltage;

transitioning to the boost complete state when the source voltage is approximately equal to the device voltage;

C. wherein in the boost complete state the power supply system performs;

turning off the booster circuit causing a change in the source voltage; and

transitioning to the sleep state when the source voltage is approximately equal to the device voltage; and

D. wherein in the recharge state the power supply system performs;

recharge the power source from a charge circuit;

monitoring the source voltage and the device voltage; and

transitioning to the sleep state if the mobile device is unplugged from the device connector and the device voltage is approximately equal to the source voltage.

12. The system as claimed in claim 11 wherein the hardware control logic detects a decrease in the device voltage with the mobile device connected to the device connector.

13. The system as claimed in claim 11 wherein the hardware control logic detects a decrease in the electric current from the power source with the mobile device approximately fully charged, wherein the power source is at least one of:

internal to the power supply system, rechargeable, and replaceable.

14. The system as claimed in claim 11 wherein the hardware control logic detects the source voltage below a predetermined threshold for recharging of the power source.

15. The system as claimed in claim 11 further comprising a device port, coupled to the booster circuit, for providing an external voltage to an external device.

16. The system as claimed in claim 11 wherein the booster circuit generates the device voltage with the booster circuit powered by the source voltage.

17. The system as claimed in claim 16 further comprising:

a case for covering the hardware control logic; and

a view support attached to the case for supporting the mobile device.

18. The system as claimed in claim 16 further comprising a view support having ridges for supporting the mobile device.

19. The system as claimed in claim 16 further comprising:

a case covering the hardware control logic; and

a power plug rotatable out of the case.

20. The system as claimed in claim 16 further comprising:

a case, having a compartment, covering the hardware control logic; and

a view support, attached to the case, for covering the compartment.