Power Management

The SP601 uses power solutions from LTC. An estimate of the current draw on the various power supply rails is shown in Table 1-22.

5V

PWR

Jack

Dual Switcher LTM4616

3.3V@8A max

2.5V@8A max

Dual Switcher LTM4616

1.2V@8A max

1.8V@8A max

Linear Regulator LT1763 3. 0V@500mA max

Buck-Boost Regulator LT1731 12V@1A max

Monolithic Regulator 0.9V@3A max

 

 

 

 

 

 

 

 

 

 

UG518_30 _070809

 

 

 

 

 

 

Figure 1-30: Power Supply

 

 

Table 1-22:Estimated Current Draw

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rail (V)

 

 

 

Estimated Current (A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FMC

LX16

LX16

DDR2

BPI/SPI

USB

Clock

Marvell

Estimated

LTC

Comments

 

Int/Aux

VCCO

Flash

CP2103

Socket

EPHY

Totals

µModule

 

 

 

 

12

1.0

 

 

 

 

 

 

 

1.0

LT1731

12V, 3A

 

 

 

 

 

 

 

 

 

 

 

 

3.3

3.0

 

2.0

 

0.3

0.1

0.1

 

5.5

(1/2)

3.3V, 8A

 

 

 

LTM4616

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.5

 

 

 

 

 

 

0.1

1.0

1.1

(1/2)

2.5V, 8A

 

 

 

 

 

 

LTM4616

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.8

 

 

 

1.0

 

 

 

 

1.3

(1/2)

1.8V, 8A

 

 

 

 

 

 

 

LTM4616

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.2

 

3.0

2.0

 

 

 

 

 

5.0

(1/2)

1.2V, 8A

 

 

 

 

 

 

LTM4616

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VTT 0.9

 

 

 

1.0

 

 

 

 

1.0

LTC3413

0.9V, 1.0A

SP601 Hardware User Guide

www.xilinx.com

41

UG518 (v1.1) August 19, 2009

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Image 41
Xilinx UG518 manual Power Management, 22Estimated Current Draw Rail Estimated Current a