Linear Regulator as a Dynamic Voltage Scaling Power Supply Reference Design
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Key Document


The TIDA-00531 reference design features dynamic voltage scaling (DVS) as a power management solution to power CPU/DSP core voltages.

  • Programable Output Voltage from 1.2 V to 1.6 V With 90 Steps in Between
  • Output Voltage is Programable Through Standard I2C Interface
  • Output Voltage Enable and Disable function
  • High power supply ripple rejection
  • Up to 800-mA Output Current
  • This circuit design is tested and includes a detail design guide, test data and design files

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LP3878-ADJ  800-mA, 16-V, adjustable low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPL0401A-10  128-tap single-channel digital potentiometer (digipot) with I2C interface (address 0101110)  Data converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LP3878-ADJ Download Download
Download Download
TPL0401A-10 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 656 16 Apr 2015
Design files (4)
Title Type Size (KB) Date
ZIP 547 14 May 2015
PDF 348 14 May 2015
PDF 204 14 May 2015
PDF 199 14 May 2015

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