LiPo Charger USB v18.02

Overview

Lithium polymer battery unit. Charges and maintains battery from USB 5V, output 5V over USB, allows data to pass through.

Goals

• No need to remove for basic operations
  • Charge through panel mounted USB port
  • Upload Arduino skectches through USB port
  • On off switch

Tentative BOM

• USB A Female Breakout Sparkfun

• LiPo Battery Sparkfun
  • Sparkfun

• LiPo Charger "Battery Babysitter" Sparkfun

• Boost Converter w/ charger Sparkfun

• Female Headers

• Male Jumper Wires

• USB B Panel Mount - mouser
  • Panel Mount Cover - mouser

• On/Off/On DPDT Toggle Switch grainger

Case

3D printed to mount and encase circuit boards in a end-user-friendly manner.

Scad
 

Wiring Diagram

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See Also

• MicroTrac Controller v18.02
• USB - Wikipedia
• Shottky Diode - Wikipedia