Altera Arria II GX FPGA Development Board - Manual (Page 58)

2–50 Chapter 2: Board Components
Power Supply
Arria II GX FPGA Development Board Reference Manual February 2011 Altera Corporation
Power Distribution System
Figure 2–11 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 2–11. Power Distribution System
2.5 V
0.875 A
TPS54617
1.8V
DDR2 SODIMM, Flash VDD,
EPM2210 VCCINT
1.8 V
2.911 A
0.9 V
0.750 A
A2VCCIO_B3A_B4
A2GX Banks 3A & 4
1.8 V
0.525 A
2.5 V
4.876 A
A2VCCIO B5A
A2GX Bank 5A VCCIO
A2VCCIO B6A
A2VCCIO B7B B8A
A2GX Bank 6 VCCIO
A2VCCPD
A2GX VSSPD
2.5V
Sync SRAM, Flash VDDQ, Enet
PHY AVDD, EPM2210,
4 Oscillators, 2 Clock Buffers
2.5 V
0.400 A
2.5 V
0.220 A
2.5 V
0.500 A
2.5 V
0.500 A
3.3 V -- PCI Express Motherboard
3.0 A Maximum (2.243 A no HSMCs)
14 V - 20 V
DC INPUT 6.595 A
4.243 A
TPS71202
Dual LDO
3.3V USB
EPM240Z VCCIO Emb.
Blaster, USB PHY IO,
24M OSC, AT93C46DN
EEPROM
(2.723 A no HSMC)
ide
a
l
diode mux
TPS40061
12 V
3.3 V
ideal
diode mux 12 V -- PCI Express Motherboard
5.5 A Maximum
A2VCCIO B3B B5B B6B
A2gx260 Banks 3B, 5B, & 6B
VCCIO
2.5 V
0.220 A
5V_USB
0.33 A
5.0V_USB
USB PHY Analog,
AT93C46DN EEPROM
5.0 V
0.025 A
A2GX Bank 7B & 8A VCCIO
3.048 A
M2Z VCCINT
EPM240Z VCCINT
TPS54617
1.8 V
4.186 A 1.773 A
TPS51200
0.9V_VTT & 0.9V_VREF
DDR3 ADDR/CMD Term & Ref
1.5V
DDR3 VDD/VDDQ
1.5 V
0.500 A
0.75 V
0.750 A
A2VCCIO_B7A
A2GX Banks 7A VCCIO
1.5 V
0.170 A
TPS62510
1.5 V
1.42 A 1.002 A
TPS51200
0.75V_VVT & 0.75V_VREF
DDR2 ADDR/CMD Term & Ref
TPS74801
1.5 V
1.159 A 1.159 A
A2VCCH_GXB
A2GX Transceiver VCCH_GXB
1.5 V
0.287 A
A2VCCB
A2GX Config RAM bits
1.5 V
0.068 A
BEAD
A2VCCL_GXB
A2GX GXB PMA/Clocking
1.1 V
0.449 A TPS74701
1.0 V
0.253 A
TPS74701
ENET DVDD
Enet PHY DVDD
5.0V
Char LCD, Linear Reg Input
TPS40140
Dual Output
5.0 V
4.865 A
A2VCC
A2GX Core VCC
0.9 V
5.710 A
0.9 V
5.781 A
A2VCCD PLL
A2GX Digital PLL
0.9 V
0.071 A
BEAD
5.0V_MONITOR
x2 LT2418
5.0 V
0.010 A
TPS71550
0.010 A
3.3V
HSMC Port A and B
2 LVDS Clock Buffer
3.3 V
4.100 A
A2VCCA
A2GX GXB PMA
2.5 V
0.091 A
A2VCCA PLL
A2GX Analog PLL
2.5 V
0.052 A
BEAD
TPS71725
2.5 V
0.143 A
2.895 A 4.095 A
12 V
12 V
HSMC Port A and B
Cooling Fan
1.8 V
0.04 A
3.0 V
0.02 A
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R
SENSE
R SENSE
TPS54550