Power Solution for Terasic DE2-115 (Cyclone IV)


Design files


The PMP10581 reference design provides all the power supply rails necessary to power Altera’s Cyclone® IV E FPGA. DE2-115 was developed by Terasic and this board is available for purchase through Terasic’s website.


• Provides all the power supply rails needed to power Altera's Cyclone® IV E FPGA
• Integrated inductor devices help reduce design time and layout costs
• DC/DC Contorller is used for higher current solution to provide higher efficiency
• Tested and proven solution

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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU758.PDF (1067 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRCP7.PDF (1744 K)

Detailed schematic diagram for design layout and components


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

LM31506V to 42V Synchronous Step-Down Controller with Adjustable Output Voltage

Data sheet: PDF | HTML
Buck modules (integrated inductor)

TPS846204.5-V to 14.5-V Input, 6-A Synchronous Buck, Integrated Power Solution

Data sheet: PDF
Direction-controlled voltage translators

SN74AVC1T45Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs

Data sheet: PDF | HTML
ESD protection diodes

TPD2E001Dual 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0

Data sheet: PDF | HTML
General-purpose transceivers

SN74HC245Octal Bus Transceivers With 3-State Outputs

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

LP386921-A, 10-V, low-dropout voltage regulator with enable

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
User guide PMP10581 DE2-115 User Manual (Terasic/Altera) Jan. 27, 2015
Test report PMP10581 Test Results Jan. 27, 2015

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