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AN47372 - PowerPSoC - PrISM(TM) Technology for LED Dimming

Last Updated: 12/12/2012
Version: *C

AN47372 provides an overview of Cypress' PrISM Technology for LED dimming and its implementation using PowerPSoC

Precision Illumination Signal Modulation (PrISM) is a Cypress technology that uses stochastic signal density modulation, which can be used for controlling the intensity of LEDs in lighting applications. This document describes the key characteristics of PrISM and its implementation using PSoC user modules. The application note also explains the challenges faced in implementing high resolution PrISM and recommends solutions to address these issues. The attached code examples explain the implementation of 8-bit, 16-bit, and variable resolution PrISM using SSDM user modules in PowerPSoC devices.

PrISM block diagram


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Related Files

    File Title Language File Size Last Updated
      AN47372.pdf English 313 KB 08/29/2011
      AN47372.zip English 2 MB 02/25/2011
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Related Application Notes:

Market Segment Tags: Energy & Lighting

Related Knowledge Base: HB LEDs, Modulators, PrISM
Spec No: 001-47372; Sunset Owner: MKKU; Secondary Owner: GULA; Sunset Date: 10/29/11

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