Systems and methods for a battery life extender

• US 9,473,020 B2
• Filed: 12/13/2013
• Issued: 10/18/2016
• Est. Priority Date: 12/13/2013
• Status: Expired due to Fees

• Current Assignee: 2Nd Life Tech. LLC
• Original Assignee: 2Nd Life Tech. LLC
• Inventors: Smith, David E.
• Primary Examiner(s): Nguyen, Matthew
• Assistant Examiner(s): Ahmed, Yusef
• Application Number:
  US14/106,072
• Publication Number:
  US 20150171745A1
• Time in Patent Office: 1,040 Days
• US Class Current: 1/1
• CPC Class Codes: G11C 5/145 Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor G11C5/141 takes precedence
• CPC Class Codes: H01M 6/50 Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569
• CPC Class Codes: H02J 1/00 Circuit arrangements for dc mains or dc distribution networks
• CPC Class Codes: H02J 2207/20 Charging or discharging characterised by the power electronics converter
• CPC Class Codes: H02J 2310/18 The network being internal to a power source or plant
• CPC Class Codes: H02M 3/07 using capacitors charged and discharged alternately by semiconductor devices with control electrode , e.g. charge pumps
• CPC Class Codes: H02M 3/1563 without using an external clock H02M3/158 takes precedence
• CPC Class Codes: H02M 3/1584 with a plurality of power processing stages connected in parallel

Abstract

Systems and methods for a battery life extender are disclosed. One disclosed system includes: a switching circuit configured to be coupled to a battery; a first voltage booster coupled to the switching circuit; a second voltage booster coupled to the switching circuit, the switching circuit configured to apply power to the first voltage booster and the second voltage booster; and a capacitor coupled to each of the first voltage booster and the second voltage booster.

Claims

1. A system comprising:

a switching circuit configured to be coupled to a battery;

a first voltage booster coupled to the switching circuit;

a second voltage booster coupled to the switching circuit, the switching circuit configured to apply power to the first voltage booster or the second voltage booster; and

a capacitor coupled to each of the first voltage booster and the second voltage booster;

wherein the first voltage booster and the second voltage booster comprise oscillating voltage converters;

wherein the first voltage booster and the second voltage booster are configured to operate with an input voltage of more than or equal to 0.6 Volts;

wherein the first voltage booster and the second voltage booster are configured to operate with an input voltage of less than 1.5 Volts;

wherein the first voltage booster comprises;

a transformer, a diode and a transistor;

wherein the second voltage booster comprises;

an inductor, a diode and a transistor;

wherein the switching circuit comprises;

a zener diode and a transistor;

wherein the switching circuit is configured to switch from supplying power to the first voltage booster to the second voltage booster.

2. The system of claim 1, further comprising:

wherein the transistor of the first voltage booster is either a Bipolar Junction transistor or a Junction Field-Effect transistor.

3. The system of claim 1, further comprising:

wherein the transistor of the second voltage booster is either a Bipolar Junction transistor or a Junction Field-Effect transistor.

4. The system of claim 1, further comprising:

wherein the transistor of the switching circuit is either a Bipolar Junction transistor or a Junction Field-Effect transistor.

5. A method comprising:

providing a switching circuit configured to be coupled to a battery;

providing a first voltage booster coupled to the switching circuit;

providing a second voltage booster coupled to the switching circuit, the switching circuit configured to apply power to the first voltage booster or the second voltage booster;

providing a capacitor coupled to each of the first voltage booster and the second voltage booster;

wherein the first voltage booster and the second voltage booster comprise oscillating voltage converters;

wherein the first voltage booster and the second voltage booster are configured to operate with an input voltage of more than or equal to 0.6 Volts;

wherein the first voltage booster and the second voltage booster are configured to operate with an input voltage of less than 1.5 Volts;

wherein the first voltage booster comprises;

a transformer, a diode and a transistor;

wherein the second voltage booster comprises;

an inductor, a diode and a transistor;

wherein the switching circuit comprises;

a zener diode and a transistor;

wherein the switching circuit is configured to switch from supplying power to the first voltage booster to the second voltage booster.

6. The method of claim 5, further comprising:

wherein the transistor of the first voltage booster is either a Bipolar Junction transistor or a Junction Field-Effect transistor.

7. The method of claim 5, further comprising:

wherein the transistor of the second voltage booster is either a Bipolar Junction transistor or a Junction Field-Effect transistor.

8. The method of claim 5, further comprising:

wherein the transistor of the switching circuit is either a Bipolar Junction transistor or a Junction Field-Effect transistor.