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Power solutions for Altera’s Arria 10 FPGA, from Linear Tech.

Power solutions for Altera’s Arria 10 FPGA, from Linear Tech.

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By eeNews Europe



For example, the LTC3877 VID controller plus LTC3874 phase extender DC/DC regulator provide 105A at 0.95V for the core rail from a 12V input. To complement the power saving advantages of the Arria 10 FPGA, this solution provides two advantages that Linear ites as key;

– a 6-bit parallel VID that interfaces directly with the Arria 10’s SmartVID to reduce the FPGA’s static and dynamic power consumption

– ultralow value and temperature compensated DCR load current sensing, which maximise the efficiency and load current precision

Full details of this board can be found at linear.com/altera – Individual power rails are provisioned as follows; (next page)


Rail/Function

Part Number(s)

Description

FPGA core

LTC3877 + LTC3874

105A @ 0.9V regulator interfaces with Arria 10 SmartVID

High speed transceivers

LTM4637

20A µModule regulator

Power UP/DOWN sequencing, power monitoring, voltage margining and fault management

LTC2977

8-channel PMBus power system manager

PowerPath management

LTC4357

High voltage ideal diode controller

3.3V intermediate bus from 12VIN

LTM4620

Dual 13A or single 26A µModule regulator

Input overvoltage protection

LTC4365

Overvoltage, undervoltage and reverse supply protection controller

Housekeeping system power and power management

LT1965, LT3082, LTC4352, LTC3025-1, LTC2418

Low noise linear regulators, 24-bit ADC; low voltage ideal diode

Linear Technology; www.linear.com

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