Introduction
EPM-15 Reference Manual
4
Figure 2. Power Control Block Diagram
SUSPEND TO RAM POWER
SYSTEM POWER ON
5.0V
1.2V_SB @ 1 mA
3.3V_SB @ 3 mA
2.5V_SB @ 1.5A
2.5V @ 1A
1.5V @ 2.3A
1.2V @ 200 mA
3.3V @ 1.4A
DDR VTT/REF
DDR VTT/REF2
CPU VMEM
CPU VCORE
CS5536 VCORE
CPU and CS5536 VIO
POR TO CS5536
CS5536 Standby
CS5536 & CPLD Standby
CS5536 Standby
EIRQ1_3V (EXTERNAL WAKE)
PWRBTN# (SOFT PWR BUTTON)
WORK_AUX
EN PWR
EN PWR#
LTC3412
LTC3412
LTC3412
I809
Si233DS MOSFET
RESISTOR DIVIDER
RESISTOR DIVIDER
LTC3025
PWR CONTROL
TPS79912
TPS79933