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High Power Density 9 to 15V In Intel Atom C2000 SoC VCCP & VNN Rail for Microservers Ref Design
TIDA-00507
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Description

The TI TPS53625 VR12 reference design (TIDA-00507), supporting Intel® Atom™ C2000, uses TI's driverless PWM architecture with TI power stages for high power density, high efficiency, and low component count while meeting Intel voltage tolerance requirements with low ripple and high output current monitoring accuracy.

Features
  • >81% Efficiency at 12VIN, 0.9Vout, 600KHz at 21A output current (VCCP)
  • Load transient performance well within the +/-64mV DC+AC guideline
  • Only 10x47uF ceramic output caps and 1x470uF bulk output capacitor for VCCP rail
  • Only 4x47uF output ceramic capacitors for VNN rail
  • Meets all Intel® Atom™ C2000 VCCP and VNN rail specifications, including Fast and Slow Dynamic VID transition specs
  • Driverless PWM architecture with external TI power stages for high effiency and power density

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Schematic/Block Diagram

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Design Files

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Parametrics
 TIDA-00507.1
(Output Voltage 1)		TIDA-00507.2
(Output Voltage 2)
Vin (Min) (V)99
Vin (Max) (V)1515
Vout (Nom) (V).9.9
Iout (Max) (A)2.321
Output Power (W)2.0718.9
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBuck- MultiphaseBuck- Multiphase
Designed for Processor

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD97374Q4M  30V 25A SON 3.5 x 4.5mm synchronous buck NexFET™ power stage  MOSFETs  Sample & Buy Not Available
TPS53625  2-Phase, D-CAP+(tm) Step-Down Vcore Controller for VR12.0 Microserver  Step-down (buck) regulators  Sample & Buy Not Available
TPS7A80  1-A, high-PSRR, ultra-low-dropout voltage regulator with low-IQ & enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD97374Q4M VSON-CLIP (DPC)| 8 Download Download
TPS53625 Download
TPS7A80 Download

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Technical documentation

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User guide (2)
Title Type Size (KB) Date
PDF 4968 15 Apr 2015
PDF 6795 15 Apr 2015
Design files (4)
Title Type Size (KB) Date
ZIP 2065 15 Apr 2015
PDF 367 15 Apr 2015
PDF 367 15 Apr 2015
PDF 68 15 Apr 2015

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