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reference designLMG5200 | Demoboard PMP22089

Texas Instruments LMG5200 | Demoboard PMP22089

Half-bridge point-of-load converter reference design with GaN technology

Overview

TopologyHalf-Bridge Converter symmetrical isolated
Input voltage24-32 V
Output 11 V / 40 A
IC revisionB

Description

The board is a redesign of the LMG5200POLEVM-10 EVM. It modifies the inboard transformer turns ratio from 5:1 to 3:1 to reduce input the range. The original EVM was designed to evaluate the LMG5200 GaN half-bridge power stage and the TPS53632G half-bridge point-of-load (PoL) controller. This board implements the converter as a single-stage hard-switched half-bridge with a current-doubler rectifier. The board supports input voltages from 24 V to 32 V and output voltages between 0.5 V to 1.0 V with continuous output currents up to 40 A. This topology efficiently supports the high step-down ratio while providing significant output current and controllability.

Features

  • Low-voltage, high-current capability supporting FPGA PoLs
  • High power density using GaN FETs
  • Integrated planar transformer

Typical applications

  • Flight control system
  • Aircraft electrical power

More information

Parts approved by Texas Instruments

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λDom typ.(nm)
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λPeak typ.(nm)
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ISAT,10%(A)
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RDC(mΩ)
fres(MHz)
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150060GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]525 nm
Emitting ColorGreen 
Peak Wavelength [typ.]515 nm
Luminous Intensity [typ.]430 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
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744308025
SPECWE-HCM SMT High Current Flat Wire Inductor, –, –

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
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Inductance250 nH
Rated Inductance246 nH
Rated Current25 A
Saturation Current @ 10%41.6 A
Saturation Current @ 30%46.5 A
DC Resistance0.37 mΩ
Self Resonant Frequency40 MHz
MaterialMnZn 
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