TPS51116EVM-001

TPS51116 Memory Power Solution, Synchronous Buck Controller Evaluation Module

TPS51116EVM-001

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Overview

The TPS51116EVM evaluation module (EVM) is a dual-output converter for DDR and DDRII memory modules. It uses a 10 A synchronous buck converter to provide the core voltage (VDDQ) for DDR memory modules. The EVM is designed to use a 4.5 V to 28 V supply voltage and a 4.75 V to 5.25 V controller bias supply. This allows the EVM to start up from a single 5 V supply or operate from a wide range of supply voltages with low power 5 V bias supply. The TPS51116EVM provides several jumpers and switches to allow the user to evaluate all of the TPS51116's configurations including lossless RDS(on) or resistive current sensing, current mode or D-CAP™ semi-hysteretic operation, DDR or DDRII voltage standards and the S3 and S5 sleep states.

Features
  • Up to 85% efficiency on the VDDQ switching regulator output
  • Dual switching regulator / LDO output for both DDR core and termination voltages
  • ± 3 A sink/source termination voltage LDO regulator
  • 10 mA termination reference voltage for DDR input reference
  • User selectable DDR and DDRII or externally referenced supply voltages
  • User selectable switching regulator or external supply source for LDO termination regulator
  • Switches available for testing S3 and S5 sleep states
DDR memory power ICs
TPS51020 Dual, DDR selectable, Synchronous buck controller TPS51100 3A Source/Sink DDR terminator Regulator TPS51116 Complete DDR, DDR2, DDR3, DDR3L, LPDDR3 and DDR4 power solution synchronous buck controller, 3A LDO TPS51116-EP Enhanced Product DDR1, DDR2, DDR3 Switcher and LDO

 

N-channel MOSFET transistors
CSD17307Q5A 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 12.1 mOhm CSD17505Q5A 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.5 mOhm

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Evaluation board

TPS51116EVM-001 – TPS51116EVM-001 Evaluation Module

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide Using the TPS51116 (Rev. A) Nov. 12, 2008
More literature TPS51116EVM-001 EU Declaration of Conformity (DoC) Jan. 02, 2019
Datasheet TPS51116 Complete DDR, DDR2, DDR3, DDR3L, LPDDR3 and DDR4 Power Solution Synchronous Buck Controller, 3-A LDO, Buffered Reference datasheet (Rev. J) Nov. 16, 2017

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