Power Management - mangOH Yellow Hardware Architecture Manual

2.9 Power Management

The mangOH Yellow has two primary power supplies (the micro-USB Client connector and Expansion connector),
and a rechargeable backup battery power supply option. The hardware can also be reconfigured to replace the
Expansion connector with the micro-USB Console connector as a primary supply.
power supplies, their voltage/current specifications, and how they supply various components on the
mangOH Yellow platform.
Table 2-12: Power Configuration Changes
Change type
Change VIN source from expansion
Hardware connector power pin to micro-USB
Console connector.
The power switch is used to turn the mangOH Yellow on/off, regardless of which power supply is being used.
Table 2-13: Power Switch Options
Primary
power Battery
connected connected
No
Yes
Yes
No
Rev 2 Oct.19
Change effect
Switch Position
(Toward center — ON
toward outside — OFF)
No
Center (ON)
No
Outside (OFF)
Center (ON)
Yes
Outside (OFF)
Center (ON)
Yes
Outside (OFF)
Method
Populate R809,
depopulate R800
Any No power to board, switch has no effect.
Primary power supplied to board.
Board is off.
Primary power supplied to board.
Battery recharges automatically.
Board is off.
Battery power supplied to board.
Board is off.
37
Figure 2-28 illustrates these
Change duration
Permanent
Result
Hardware
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