DESIGN OF A WIRELESS CHARGING SYSTEM FOR A COMPUTER MOUSE

WIRELESS CHARGING SYSTEM TEAM

Team MembersAndrew AkenJames BegellJames Juergens

Course InstructorDr. Serpen

Faculty AdvisorDr. King

PROBLEM

Wireless mice lose connection when batteries die

Batteries are inconvenient Current products must use specific mouse

PROPOSED SOLUTION

Battery pack will be usable with any wireless mouse

Mouse pad will charge battery pack wirelessly

BACKGROUND

Magnetic Coupling Maximum Power Transfer Theorem

HARDWARE BLOCK DIAGRAM

POWER OVER USB

USB Port 555 Timing Chip JK Flip-Flop MOSFET Gate Driver

USB POWER CIRCUIT

INDUCTIVE COUPLING

Transformer Primary Coil Secondary Coil

MOUSE PAD AND MOUSE COUPLING

INDUCTIVE COUPLING

Transformer Full-Bridge Rectifier Lithium Battery Power

BATTERY PACK

FUTURE PLANS

Miniaturization Increased Power Transfer Increased Storage Capacity Customization

CONCLUSION

USB powered Magnetically Coupled Power Transfer Universal

REFERENCES

Robbins, Allan, and Wilhelm Miller. Circuit analysis: theory and practice. 2nd ed. Albany, N.Y.: Delmar, 2000. Print.