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mangOH Yellow Hardware Architecture Guide
Rev 2 Oct.19
38
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Figure 2-28: Power Management
uUSB Client
uUSB
Console
Expansion
Connector
DNI
VIN_CONN
USB_VBUS
Regulator
and
charger
VIN
Li-Ion Battery
3.7V
Battery
Gauge
Load
Switch
DNI
Battery /
VIN switch
(SW1002 )
BAT _VIN _PRESENT
(control signal )
5V Boost
EN
3.3V / 1.8V
Buck
EN
5V Peripherals
3V3 Peripherals including
Wi-Fi/BT module
1V8 Peripherals
IOT0
5V
3V3
1V8
CF3 Main
Voltage
monitor
ULPM
LDO