IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0366497
(2009-02-05)
|
등록번호 |
US-8159181
(2012-04-17)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
10 |
초록
▼
This disclosure relates to a voltage converter including a control circuit, a converter sub-circuit, and a single coil, where when the voltage converter can perform bi-directional voltage conversion using the single coil. In other words, the voltage converter can generate one or more regulated outpu
This disclosure relates to a voltage converter including a control circuit, a converter sub-circuit, and a single coil, where when the voltage converter can perform bi-directional voltage conversion using the single coil. In other words, the voltage converter can generate one or more regulated output voltages in both directions from one or more input voltages using the same coil.
대표청구항
▼
1. A voltage converter comprising: a coil;a converter sub-circuit that operates in a first directional mode and a second directional mode, the converter sub-circuit coupled to the coil, wherein when operating in the first directional mode, the converter sub-circuit receives a first voltage and uses
1. A voltage converter comprising: a coil;a converter sub-circuit that operates in a first directional mode and a second directional mode, the converter sub-circuit coupled to the coil, wherein when operating in the first directional mode, the converter sub-circuit receives a first voltage and uses the coil to generate first regulated voltages, and wherein when operating in the second directional mode, the converter sub-circuit receives a second voltage and uses the coil to generate second regulated voltages; anda control circuit that places the converter sub-circuit in one of the first directional mode and the second directional mode. 2. The voltage converter of claim 1, wherein the converter sub-circuit is coupled to one or more loads, wherein the first regulated voltages comprise first load voltages for the one or more loads, wherein the second regulated voltages comprise second load voltages for the one or more loads. 3. The voltage converter of claim 2, wherein voltage values of the first load voltages are substantially equal to voltage values of the second load voltages. 4. The voltage converter of claim 2, wherein there is substantially no delay between providing the first load voltages using the first directional mode and providing the second load voltages using the second directional mode. 5. The voltage converter of claim 1, wherein the control circuit senses one or more of the first voltage, the second voltage, the first regulated voltages, and the second regulated voltages. 6. The voltage converter of claim 1, wherein when operating in the first directional mode, the voltage converter charges a battery using one of the first regulated voltages; and wherein when operating in the second directional mode, the voltage converter receives the second voltage from the battery. 7. The voltage converter of claim 1, wherein when operating in the second directional mode, the voltage converter provides power to a device using one of the second regulated voltages. 8. The voltage converter of claim 1, wherein a voltage flow across the coil when operating in the first directional mode is reverse from a voltage flow across the coil when operating in the second directional mode. 9. The voltage converter of claim 1, wherein the control circuit places the converter sub-circuit in the first directional mode when a device provides the first voltage. 10. The voltage converter of claim 1, wherein the control circuit places the converter sub-circuit in the second directional mode when a device provides the second voltage. 11. A converter comprising: a first voltage converter coupled to a coil, the first voltage converter to receive a source voltage and generate: a first regulated voltage from the source voltage using the coil; anda first additional regulated voltage, from the source voltage using the coil, on one or more load outputs; anda second voltage converter coupled to the coil and to the first voltage converter, the second voltage converter to receive a second voltage and generate: a second regulated voltage from the second voltage using the coil; anda second additional regulated voltage, from the second voltage using the coil, on the one or more load outputs. 12. The converter of claim 11, wherein the first voltage converter and the second voltage converter share one or more switches in addition to the coil; and wherein the first voltage converter and the second voltage converter use the one or more switches in addition to the coil to generate the first and the second regulated voltage, respectively. 13. The converter of claim 11, wherein the first voltage converter is coupled to a voltage storage device, wherein the first regulated voltage is to be received and stored by the voltage storage device as the second voltage, wherein the voltage storage device is to output the second voltage. 14. The converter of claim 11, further comprising: a charge input coupled to the source voltage and to first voltage converter, the charge input is to transmit the first voltage. 15. The converter of claim 11, further comprising: a control circuit coupled to both the first voltage converter and the second voltage converter, the control circuit to place the first voltage converter and the second voltage converter in one of a first directional mode and a second directional mode;wherein when operating in the first directional mode, the first voltage converter receives the first voltage and generates the first regulated voltage; andwherein when operating in the second directional mode, the second voltage converter receives the second voltage and generates the second regulated voltage. 16. The converter of claim 15, wherein a voltage flow across the coil when operating in the first directional mode is opposite from a voltage flow across the coil when operating in the second directional mode. 17. A method comprising: receiving a first voltage on a first terminal;regulating the first voltage using a first inductor to generate a first regulated voltage and a second regulated voltage on a second terminal and a load terminal, respectively;receiving a second voltage on the second terminal; andregulating the second voltage using the first inductor to generate a third regulated voltage and a fourth regulated voltage on the first terminal and on the load terminal, respectively. 18. The method of claim 17, further comprising: storing the first regulated voltage by a battery as a stored voltage using the second terminal; andwherein said receiving the second voltage comprises receiving the stored voltage from the battery using the second terminal. 19. The method of claim 17, wherein said regulating the first voltage comprises converting the first voltage with a first voltage value to the first regulated voltage with a second voltage value; and wherein said regulating the first voltage further comprises converting the first voltage with the first voltage value to the second regulated voltage with a third voltage value.
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