Adaptive Voltage Scaling Power Supply for Communication and Enterprise Storage ASIC Core Rails PMP10488 (ACTIVE)

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Description

This design is for implementing an ASIC Core AVS power supply using the the TPS53355 PowerStack Synchronous Buck SWIFT dc/dc converter and the LM10011 VID chip. The design accepts a 10V to 14V input and provides a 1V 20A output. The LM10011 is a precision, digitally programmable device, allowing for the output voltage of the Buck Converter to be adjusted for range and precision in response to ASIC Core usage scenarios.

Features
  • 0.6% load regulation at 12VIN, 0.82V VOUT, from 0 A to 20A load
  • 4 Bit Vid Input for VOUT AVS from 0.6746V to 0.9605V
  • 67.9°C max case temperature at 20A load
  • 340mm² total power supply area
  • D-CAP Mode reduces undershoot/overshoot to 15mV/22mV in response to 10A load transient
  • 84% efficiency at 12VIN, 0.82V VOUT (VID = 1000)

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Design Files

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Parametrics
 PMP10488.1
(Output Voltage 1)
Vin (Min) (V)10.8
Vin (Max) (V)13.2
Vout (Nom) (V).95
Iout (Max) (A)20
Output Power (W)19
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous
Designed forASIC

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM10011  1% Accuracy 4/6-Bit VID Voltage Programmer for Point of Load Regulator w/ Adj Start-Up Current  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TPS53355  1.5V to 15V Input (4.5V to 25V Bias), 30A Synch Step-Down SWIFT™ Converter w/ Eco-mode™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM10011 Download Download
TPS53355 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1088 09 Feb 2015
Design files (3)
Title Type Size (KB) Date
ZIP 323 09 Feb 2015
PDF 114 09 Feb 2015
PDF 117 09 Feb 2015

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