Altera Arria V SoC Development Board - Manual (Page 62)

2–54 Chapter 2: Board Components
Power Supply
Arria V SoC Development Board July 2014 Altera Corporation
Reference Manual
Power Distribution System
Figure 2–9 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 2–9. Power Distribution System
1.5V_HPS
A5ST HPS VCC
1.15 V, 1.0824 A
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.130 A
1.5V_HPS
VCCIO HPS, VDD DDR3
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.003 A
1.5 V, 0.021 A
3.3V_HPS
VCCPD, VCCIO, VDD ENET,
EZ-USB, VDD-USB2OTG,
VCC-RS232, VCC-CAN,
VDD-QSPI Flash, VCC/Q
Flash, VCC-SDCARD,
VCC-EPCQ
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.043 A
3.3 V, 0.125 A
2.5V_HPS
VCCPD, VCCIO, VCCRST-CLK,
VCCIO-MAXV, VCCIO-EPM570,
AVDD, VDDO-ENET, Clocks
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.593 A
2.5 V, 2.278 A
2.5V_HPS_FILT
VCCPLL, VCCAUX
BEAD
2.5V_VCCAUX_SHARED
HPS VCCAUX_SHARED
BEAD
0.760 A
0.001 A
0.767 A
1.2 V,
0.75 A
DVD_ENET
DVDD
LTC3022
1 A LDO
LTC3866 (30 A)
Switching Regulator (+/- 2%)
2.509 A
1.15 V, 20.946 A
1.15V_VCCP
VCCP
BEAD
19.12 A
1.826 A
1.5V_VCC
A5ST FPGA VCC
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.107 A
1.5 V, 0.890 A
1.5V_FPGA
VCCIO, VDD DDR3
LTC3605 (5 A)
Switching Regulator (+/- 2%)
0.426 A
2.5 V, 1.634 A
2.5V_FPGA_AUX
VCC_FPLL, VCCA, VCC_AUX
BEAD
0.867 A
0.767 A
2.5V_FPGA
VCCPD, VCCPGM, VCCIO
LTM8025 (3 A)
Switching Regulator (+/- 2%)
0.592 A
2.5 V (Default)
2.301 A
FMC
BEAD
0.301 A
2.000 A
VAR_VCCIO
VCCIO FMC
Ideal Diode
Multiplexer
LTC3855 Dual
Channel
Controller
DC Input
19 V
DC AUX
12 V,
7.553 A
124 W Total
5.0V
USB, LTCEXT
12V_EXP
PCIe, FMC
3.3V
PCIe, ECAT-VDD, FMC
1V8
VCCINT/IO-MAXV, VCC-CFI
Flash, VCCINT-EMP570
LTC3509 (Dual 0.7 A)
Switching Regulator (+/- 2%)
0.150 A
5 V, 0.200 A
1.8 V, 0.200 A
12 V, 3.000 A
3.3 V, 8.830 A
3.3 V
10.200 A
LTC3026 (1.5 A)
Linear Regulator
0.860 A 0.860 A
1.15V_GXB
VCCR_VCCL_GXB
LTC3026 (1.5 A)
Linear Regulator
0.370 A
0.370 A
1.15V_VCCT
VCCT_GXB
LTC3026 (1.5 A)
Linear Regulator
0.140 A
0.140 A
1.5V_VCCD/VCCH
VCCD, VCCH