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reference designLM5180 | Demoboard TIDA-010006

Texas Instruments LM5180 | Demoboard TIDA-010006

65-VIN PSR flyback converter with 100-V, 1.5-A integrated power MOSFET

Overview

TopologyFlyback Converter
Input voltage19-29 V
Output 120 V / 0.05 A
Output 220 V / 0.05 A
Output 320 V / 0.05 A
Output 420 V / 0.05 A

Description

This reference design provides isolated positive and negative voltage rails for Insulated Gate Bipolar Transistor (IGBT) gate drivers from 24-V DC input supply. It uses a flyback power supply topology to generate four pairs of 15-V and –5-V outputs suitable for powering six IGBT gate drivers of 1 W each. The integration of the 100-V rated primary side switch within the flyback controller LM5180-Q1 together with the elimination of an auxiliary transformer winding enables a compact solution.

Features

  • Quasi-resonant boundary conduction mode along with frequency modulation provides peak efficiency of 90% at balanced full load
  • Supplies output power up to 1.2 W per IGBT driver
  • Provides compact and cost-effective solution due to elimination of opto-coupler and transformer auxiliary winding
  • Provision to turn the power supply on and off through the EN pin
  • Programmable soft start limits the inrush current drawn by the power supply

Typical applications

  • Variable Speed AC and Servo Drives, IGBT-Based HVDC Systems
  • Industrial and Solar Inverter

More information

Products

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Order Code
Data­sheet
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Downloads
Status
Product series
Application
C
VR(V (AC))
Safety Class
dV/dt(V/µs)
DF @ 1 kHz(%)
RISO
Pitch(mm)
L(mm)
W(mm)
H(mm)
Packaging
L(µH)
IR(A)
ISAT(A)
fres(MHz)
Mount
SamplesAvailability & Sample
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890334023006
SPECWCAP-FTXX Film Capacitors, Across the mains, 10 nF
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-FTXX Film Capacitors
ApplicationAcross the mains 
Capacitance10 nF
Rated Voltage310 V (AC)
Safety ClassX2 
Rate of Voltage Rise500 V/µs
Dissipation Factor0.1 %
Insulation Resistance30 GΩ
Pitch10 mm
Length13 mm
Width5 mm
Height11 mm
PackagingBulk 
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MountBoxed THT 
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744042100
SPECWE-TPC SMT Tiny Power Inductor, –, –
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
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Length4.8 mm
Width4.8 mm
Height1.8 mm
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Inductance10 µH
Rated Current1.3 A
Saturation Current1 A
Self Resonant Frequency45 MHz
MountSMT 
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750343953
SPECTransformer, –, –
Simu­lation–
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series Transformer
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