TPS53631

ACTIVE

3-Phase, D-CAP+TM Step-Down VR12.x Server CPU Vcore

Product details

Vin (min) (V) 4.5 Vin (max) (V) 20 Iout (max) (A) 120 Operating temperature range (°C) -10 to 105 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2.5 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Iq (typ) (µA) 10000 Duty cycle (max) (%) 40 Number of phases 3
Vin (min) (V) 4.5 Vin (max) (V) 20 Iout (max) (A) 120 Operating temperature range (°C) -10 to 105 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2.5 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Iq (typ) (µA) 10000 Duty cycle (max) (%) 40 Number of phases 3
WQFN (RSB) 40 25 mm² 5 x 5
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Special Note

For a detailed datasheet and other design support tools please contact VR@list.ti.com.

Technical documentation

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Type Title Date
* Data sheet 3-Phase, D -CAP+TM Step-Down VR12.x Server CPU VCORE datasheet 05 Jun 2014
Application note Multiphase Buck Design from Start to Finish, Part 1 (Rev. B) 07 Apr 2021
Application note D-CAP+TM Control for Multiphase Step-Down Voltage Regulators for Powering Microp 13 Jan 2019
Technical article Powering Intel’s Xeon D SoC in servers, storage and switches PDF | HTML 08 Jul 2016
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22 Feb 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Reference designs

TIDA-00324 — POL Multiphase (3-phase), 120A Power Reference Design

TIDA-00324 is a power reference design that highlights the multiphase controller TPS53631 and the Smart Power Stage CSD95372BQ5M in a 12V Vin, 1.2V Vout at 120A application.  This reference design can be used to help a user develop a Power Solution for CPU Vcore power or DDR4 power solution to (...)
Test report: PDF
Schematic: PDF
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WQFN (RSB) 40 Ultra Librarian

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