Scoutfly Reduced Board Design

Planned modifications

  • Replace high complexity switching power power supply with a simpler one.
  • use a linear regulator for 3.3V power
  • remove charging circuit
  • remove push button control
  • add switch allow for battery shutoff
  • possibly replace push button ic with some type of RS-Latch / 555 timer finite state machine?
  • include charge contacts to provide power when docked. Integrate functionality into battery shutoff switch. *


Switching Power Supply 5V:

Switching Power Supply 3.3V:

New PB Controller:
LDO for PB

TS_31aug10.pdf - Switch to be used to switch between battery and charge contacts for providing power (218 KB) Julian Binder, 03/06/2012 06:52 PM

AP1501.pdf - Switching Power Supply (185 KB) Julian Binder, 03/06/2012 08:41 PM

MAX16054.pdf - New PB Controller (114 KB) Julian Binder, 03/08/2012 05:08 PM