MiniPM-LiPoly
This is a very small USB single-cell LiPoly battery charger and buck/boost regulator for a fixed 3.3v or 5v output.
- Preliminary design files here.
History
- Received V2 boards around 9/7/2012.
- Assembled first V2 board on 9/12/2012.
- Ordered v2.1 boards on 9/29/2012 (6 boards this time).
- Received v2.1 boards and assembled 2; neitherworked
- Shrunk board too much; too dense.
- Revision 3 board ordered 11/11/2012 (switched from versions to revisions, seems more appropriate for hardware)
- Reverted back to mini USB
- Shrunk mounting holes to 2-56 (to fit the mini USB plug).
- Grew board to lower density
v2.1 schematic:
