PMP9297

150W Dual Channel Synchronous Boost for Gan audio applications

PMP9297

Design files

Overview

PMP9297 is a dual channel synchronous boost for GaN audio amplifier applications. It converts 35V input to an adjustable 38V to 55V output at 150W per channel. The solution size fits in a 45mm x 34 mm board area. Additional input and output bulk capacitors are included outside of the solution size area. This design uses TLP0202 dual channel digital pot to program the output voltages via SPI bus. Output current monitoring is done using LMP8481-S high-side current sense amplifiers. NTC thermistors allow temperature measurement of the High-side MOSFETs

Features
  • Dual Channel Synchronous BoostConverter
  • 150 W Power Output
  • Output Voltage programmable using TLP0202 digital pot
  • Output Current Monitoring
Personal electronics
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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.

TIDU764.PDF (3814 K)

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

TIDRCR3.PDF (583 K)

Detailed schematic diagram for design layout and components

TIDRCR4.PDF (24 K)

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

TIDC893.ZIP (236 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)

LM51213-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control

Data sheet: PDF | HTML
Analog current-sense amplifiers

LMP84814 to 76V, bi-directional current sense amplifier

Data sheet: PDF | HTML
MOSFETs

CSD18532Q5B60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9297 Test Results Jan. 30, 2015

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