Battery power supply return circuit dynamic distributor

• Main Author: FENGMIN SHEN
• Format: Patent
• Language: English
• Published: 22.11.2006
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The utility model relates to a battery power supply return circuit dynamic distributor which is provided with a voltage detecting module, wherein the module is orderly connected with a power management logical circuit and a power supply switching circuit, and the power supply switching circuit is connected with a voltage reduction return circuit and a voltage boosting return circuit. When the voltage detecting module and a battery are in electrical connection, the voltage detecting module can detect the output voltage of the battery, and detected results are delivered to the power management logic circuit to be judged. If the battery voltage is above system output voltage, a power supply drawn from a battery end does voltage reference adjustment via the voltage reduction return circuit, and is output after adjusted; if the battery voltage is below the system output voltage, the power supply drawn from the battery end does power supply voltage boosting via the voltage boosting return circuit, then does the voltage reference adjustment by the voltage reduction return circuit again, and is output after adjusted. The structure can effectively reduce power loss when the voltage is switched.