PMP10710

Public Announcement Audio Reference Design utilizing best in class Boost Controller

PMP10710

Design files

Overview

PMP10710 is a 200W design for public announcement audio system which can be used in 100W +100W Stereo or 200W Woofer Applications. The design is broadly divided into four main stages:

  1. Single-Phase Synchronous Boost Converter using the LM5122 controller IC.  The design accepts an input voltage of 10V to 15 VIN (12 VIN Nominal) and provides an output of 30V capable of supplying 6.5A of continuous current to the load.
  2. 100W + 100W Stereo Audio Amplifier with TAS5611 Class D device.
  3. Single ended to differential conversion (with active low pass filter) for Stereo inputs using OPA1632 differential amplifier.
  4. Simple Switcher LM16006 is used for all Aux supply needs.

Features
  • Synchronous Rectification in Boost for very High Efficiency
  • Ultra Low Footprint Area for LM5122 Actual Power Stage
  • Single Speaker (Woofer), Dual Speaker(Stereo) Support in the design
  • Free-Run/Synchronizable Switching to 1 MHz in Boost device
  • Single ended input to differential conversion for TAS5611 Amp inputs
Output voltage options PMP10710.1
Vin (Min) (V) 10
Vin (Max) (V) 15
Vout (Nom) (V) 30
Iout (Max) (A) 6.5
Output Power (W) 195
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- Synchronous
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUAJ3.PDF (4268 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRGQ3.PDF (489 K)

Detailed schematic diagram for design layout and components

TIDRGQ4.PDF (225 K)

Detailed schematic diagram for design layout and components

TIDRGQ5.PDF (27 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDCAU4.ZIP (578 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

LM51223-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capability

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

LMR16006Y-Q1Automotive Qualified SIMPLE SWITCHER® 40V (65V transient), 0.6A Buck Regulator with 28μA IQ

Data sheet: PDF | HTML
Audio op amps

OPA1632Fully Differential I/O Audio Amplifier

Data sheet: PDF
Speaker amps

TAS5611A125-W stereo, 250-W mono, 16- to 34.1-V supply, analog input Class-D audio amplifier

Data sheet: PDF

Technical documentation

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Type Title Date
* Test report PMP10710 Test Results Sep. 04, 2015

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