A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power conversion efficiency over a wide range of loads and to manage charge and discharge operation of the ba
A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power conversion efficiency over a wide range of loads and to manage charge and discharge operation of the battery cells. The power management and conversion module includes the CPU, a current sense unit, a charge/discharge unit, a DC-to-DC conversion unit, a battery protection unit, a fuel gauge and an internal DC regulation unit. Through intelligent power conversion and charge/discharge operations, a given battery type is given the ability to emulate other battery types by conversion of the output voltage of the battery and adaptation of the charging scheme to suit the battery.
대표청구항▼
1. An intelligent battery power delivery apparatus, comprising: input terminals receiving power from one or more battery cells;output terminals for providing power to a load; and,a conversion module configured to maintain output power characteristics at the output terminals according to programmed c
1. An intelligent battery power delivery apparatus, comprising: input terminals receiving power from one or more battery cells;output terminals for providing power to a load; and,a conversion module configured to maintain output power characteristics at the output terminals according to programmed characteristics, and configured to control power draw at the input terminals according to the programmed characteristics;wherein the conversion module comprises a digital circuit, the digital circuit comprising:a DC to DC voltage conversion unit;a current sense unit;a fuel gauge; anda central processing unit;wherein the DC to DC voltage conversion unit is adapted to provide a programmed voltage to the load,wherein the current sense unit is adapted to obtain a sensed current from the one or more battery cells and to utilize the sensed current for functioning of the fuel gauge unit,wherein the fuel gauge unit monitors a state of charge of the one or more battery cells and reports the state of charge to the central processing unit to prevent overcharge or over-discharge of the one or more battery cells, andwherein the central processing unit manages digital power conversion by the conversion module. 2. The apparatus of claim 1, wherein the conversion module comprises a buck converter and a boost converter and wherein one of the buck converter and the boost converter is engaged depending on a type of the one or more battery cells. 3. The apparatus of claim 1, wherein the conversion module further comprises telemetry terminals for communicating operation data. 4. The apparatus of claim 1, further comprising a casing, and wherein the conversion module and the one or more battery cells are housed within the casing and form an integral intelligent battery. 5. An intelligent battery, comprising: a casing;one or more battery cells housed within the casing; anda conversion circuit housed within the casing, the conversion circuit adapted to perform digital power conversion;wherein the conversion circuit controls a voltage conversion to convert a voltage level of the one or more battery cells to a voltage level corresponding to load requirement, and wherein the conversion circuit controls a charging of the battery cells to provide an external DC voltage to the battery cells according to charging requirements of the battery cells; wherein the conversion circuit further comprises programming means enabling the conversion circuit to provide output power characteristic of at least one of an alkaline battery, a lithium ion battery, a metal hydride battery, a Nickel-Cadmium battery, and a Nickel-Metal-Hydride battery, regardless of a type of the one or more battery cells housed within the casing. 6. The intelligent battery of claim 5, wherein the conversion circuit comprises a digital integrated circuit. 7. The intelligent battery of claim 5, wherein the conversion circuit comprises a charge/discharge unit; a battery protection unit; and an internal DC regulation unit. 8. An intelligent battery power delivery apparatus, comprising: input terminals receiving power from one or more battery cells;output terminals for providing power to a load; and,a conversion module configured to maintain output power characteristics at the output terminals according to programmed characteristics, and configured to control power draw at the input terminals according to programmed characteristics;wherein the conversion module comprises:a charge/discharge unit;a battery protection unit; andan internal DC regulation unit,wherein the charge/discharge unit is adapted to provide over-current protection during discharge of the one or more battery cells and to control charging schemes used by the intelligent battery power delivery apparatus,wherein the battery protection unit is adapted to monitor voltage on, current from, and charge of the one or more battery cells and to alert the central processing unit of pre-programmed potentially hazardous conditions, andwherein the internal DC regulation unit regulates a voltage required by the conversion module. 9. The intelligent battery power delivery apparatus of claim 8, wherein the conversion module further comprises a telemetry port for communicating with an outside device, andwherein the central processing unit is configured to communicate with the outside device via the telemetry port. 10. The apparatus of claim 8, wherein the conversion module comprises an integrated circuit. 11. The apparatus of claim 10, wherein the conversion module comprises a DC/DC converter. 12. The apparatus of claim 10, wherein the conversion module comprises a buck converter and a boost converter and wherein one of the buck converter and the boost converter is engaged depending on the type of the one or more battery cells. 13. The apparatus of claim 8, wherein the battery protection unit comprises a fuel gauging unit for monitoring a state of charge of the one or more battery cells. 14. The apparatus of claim 13, wherein the conversion module further comprises a current sensor. 15. The apparatus of claim 8, wherein the conversion module further comprises telemetry terminals for communicating operation data. 16. The apparatus of claim 15, further comprising a casing, wherein the conversion module and the one or more battery cells are housed within the casing and form an integral intelligent battery.
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