SYSTEM FOR CHARGE AND DISCHARGE OF BATTERY PACK
First Claim
Patent Images
1. A system configured to charge and discharge a battery pack, the system comprising:
- a battery management unit comprising;
a first port configured to receive a wake up voltage, anda second port configured to output a control voltage,wherein the battery management unit is configured to control charging and discharging of the battery pack; and
a wake up unit configured to apply the wake up voltage to the first port, wherein the wake up unit comprises;
a first transistor comprising a control electrode, a first electrode connected to a positive terminal of the battery, and a second electrode connected to the first port of the battery management unit; and
a second transistor comprising a control electrode connected to the second port of the battery management unit, a first electrode connected to the ground, and a second electrode connected to the control electrode of the first transistor.
1 Assignment
0 Petitions
Accused Products
Abstract
A system configured to charge and discharge a battery pack is disclosed. The system includes a battery management unit configured to receive a wake up voltage, and a wake up unit configured to apply the wake up voltage to the first port during normal operation.
16 Citations
22 Claims
-
1. A system configured to charge and discharge a battery pack, the system comprising:
-
a battery management unit comprising; a first port configured to receive a wake up voltage, and a second port configured to output a control voltage, wherein the battery management unit is configured to control charging and discharging of the battery pack; and a wake up unit configured to apply the wake up voltage to the first port, wherein the wake up unit comprises; a first transistor comprising a control electrode, a first electrode connected to a positive terminal of the battery, and a second electrode connected to the first port of the battery management unit; and a second transistor comprising a control electrode connected to the second port of the battery management unit, a first electrode connected to the ground, and a second electrode connected to the control electrode of the first transistor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A system configured to charge and discharge a battery pack, the system comprising:
-
a battery management unit comprising; a first port configured to receive a wake up voltage, and a second port configured to output a control voltage, wherein the battery management unit is configured to control charging and discharging of the battery pack; and a wake up unit configured to apply the wake up voltage to the first port, wherein the wake up unit comprises; a first transistor comprising a first electrode connected to the first port of the battery management unit, a second electrode connected to a positive electrode terminal of the battery, and a control electrode; and a second transistor comprising a first electrode connected to the ground, a second electrode connected to the control electrode of the first transistor, and a control electrode connected to the second port of the battery management unit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A system configured to charge and discharge a battery pack, the system comprising:
-
a battery management unit comprising a first port configured to receive a wake up voltage, wherein the battery management unit is configured to control charging and discharging of the battery pack; and a wake up unit configured to apply the wake up voltage to the first port, wherein the wake up unit comprises a diode connected between a positive electrode terminal of the battery and the first port.
-
-
22. A system configured to charge and discharge a battery pack, the system comprising:
a battery management unit comprising; a first port configured to receive a wake up voltage, and a second port configured to output a control voltage, wherein the battery management unit is configured to control charging and discharging of the battery pack; and a wake up unit configured to apply the wake up voltage to the first port while the system is operating, wherein when the voltage supplied by the battery pack drops to less than a predetermined level, the battery management unit is configured to stop outputting the control voltage ant the second port, and wherein the input of the wake up voltage causes the battery management unit to restart outputting the control voltage at the second port after the outputting of the control voltage has been stopped.
Specification