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TPS53631

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

Product details

Vin (min) (V) 4.5 Vin (max) (V) 20 Vout (min) (V) 0.5 Vout (max) (V) 2.5 Iout (max) (A) 120 Iq (typ) (mA) 10 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 1000 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 Operating temperature range (°C) -10 to 105 Regulated outputs (#) 1 Number of phases 3 Rating Catalog Control mode D-CAP+ Type Controller
Vin (min) (V) 4.5 Vin (max) (V) 20 Vout (min) (V) 0.5 Vout (max) (V) 2.5 Iout (max) (A) 120 Iq (typ) (mA) 10 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 1000 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 Operating temperature range (°C) -10 to 105 Regulated outputs (#) 1 Number of phases 3 Rating Catalog Control mode D-CAP+ Type Controller
WQFN (RSB) 40 25 mm² 5 x 5
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Special Note

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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

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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 (...)
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Schematic: PDF
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WQFN (RSB) 40 View options

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