Altera Cyclone V SoC Development Board - Manual (Page 58)

2–50 Chapter 2: Board Components
Power Supply
Cyclone V SoC Development Board November 2013 Altera Corporation
Reference Manual
Power Distribution System
Figure 2–10 shows the power distribution system on the development board.
Regulator inefficiencies and sharing are reflected in the currents shown, which are
conservative absolute maximum levels.
Figure 2–10. Power Distribution System
1.1V_HPS
C5SX HPS VCC
1.1 V, 1.923 A EN2340 (4 A)
Switching Regulator (+/- 2%)
0.24 A
1.5V_HPS
VCCIO HPS, VDD - DDR3
1.5 V, 3.194 A EN2340 (4 A)
Switching Regulator (+/- 2%)
0.459 A
3.3V_HPS
VCCPD, VCCIO, VDD ENET,
EZ-USB, VDD-USB2OTG,
VCC-RS232, VCC-CAN,
VDD-QSPI Flash, VCC/
Q-NAND Flash,
VCC-SDCARD, VCC-EPCQ
3.3 V, 3.005 A EN2340 (4 A)
Switching Regulator (+/- 2%)
0.897 A
2.5V_HPS
VCCPD, VCCIO, VCCRSTCLK,
VCCIO-MAXV, VCCIO-EPM570,
AVDD, VDD-ENET, Clocks
2.5 V,
2.826 A
EN2340 (4 A)
Switching Regulator (+/- 2%)
0.67 A
2.5V_HPS_FILT
VCCPLL, VCCAUX
BEAD
0.121 A
2.104 A
2.5V_VCCAUX_SHARED
HPS VCCAUX_SHARED
BEAD
0.038 A
1.2 V,
0.563 A
DVD_ENET
DVDD
LTC3022
1 A LDO
1.1V_VCC
C5SX FPGA VCC
1.1V_VCCEL
VCCE_GXB, VCCL_GXB
1.1 V,
11.316 A
BEAD
EN23F0 (15 A)
Switching Regulator (+/- 2%)
1.297 A
9.017 A
2.29 A
1.5V_FPGA
VCCIO, VDD - DDR3
1.5 V, 2.73 A EN2340 (4 A)
Switching Regulator (+/- 2%)
0.341 A
2.5V_FPGA
VCCPD, VCCPGM, VCCIO
2.5V_FPGA_FILT
VCCH_GXB, VCCA_FPLL,
VCCBAT
2.5 V,
3.606 A
BEAD
EN2340 (4 A)
Switching Regulator (+/- 2%)
0.84 A
1.281 A
2.325 A
5.0V
USB, LTCEXT
12V_EXP
HSMC, PCIe
3V3_EXP
HSMC, PCIe, ECAT-VDD
1V8
VCCINT/IO-MAXV, VCC-CFI
Flash, VCCINT-EMP570
LTC3509 Dual (0.7 A)
Switching Regulator (+/- 2%)
0.15 A
1.5 V, 0.6 A
1.8 V, 0.25 A
12 V, 6.5 A
3.3 V, 5.6 A
Ideal Diode
Multiplexer
LTC3855 Dual
Channel
Controller
DC Input
19 V
DC AUX
12 V,
11.394 A