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AC/DC- und DC/DC-Wandler (integrierter FET)

LM5180-Q1

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No-Opto-Flyback-Wandler für die Automobilindustrie, 65 V Eingangsspannung, mit integriertem MOSFET,

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Datenblatt

LM5180-Q1

AKTIV
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Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology PSR flyback Type Converter (Integrated Switch) Iout (max) (A) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 65 Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, Integrated Switch, Light load efficiency, Pre-bias soft start, UVLO adjustable Control mode Peak current mode
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology PSR flyback Type Converter (Integrated Switch) Iout (max) (A) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 65 Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, Integrated Switch, Light load efficiency, Pre-bias soft start, UVLO adjustable Control mode Peak current mode
WSON (NGU) 8 16 mm² 4 x 4
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient temperature range
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 65 V
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • 6-ms internal or programmable soft start
    • Input UVLO and thermal shutdown protection
    • Hiccup-mode overcurrent fault protection
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 100-V, 0.4-Ω power MOSFET
    • No opto-coupler or transformer auxiliary winding required for VOUT regulation
    • Low EMI operation to meet CISPR 25
  • High efficiency PSR flyback operation
    • Quasi-resonant switching in boundary conduction mode (BCM) at heavy load
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Create a custom regulator design using WEBENCH® Power Designer
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient temperature range
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 65 V
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • 6-ms internal or programmable soft start
    • Input UVLO and thermal shutdown protection
    • Hiccup-mode overcurrent fault protection
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 100-V, 0.4-Ω power MOSFET
    • No opto-coupler or transformer auxiliary winding required for VOUT regulation
    • Low EMI operation to meet CISPR 25
  • High efficiency PSR flyback operation
    • Quasi-resonant switching in boundary conduction mode (BCM) at heavy load
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Create a custom regulator design using WEBENCH® Power Designer

The LM5180-Q1 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 65 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation. The high level of integration results in a simple, reliable and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 100-V power MOSFET provides output power up to 7 W with enhanced headroom for line transients.

The LM5180-Q1 converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

The LM5180-Q1 is qualified to automotive AEC-Q100 grade 1 and is available in 8-pin WSON package with 0.8-mm pin pitch and wettable flanks.

The LM5180-Q1 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 65 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation. The high level of integration results in a simple, reliable and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 100-V power MOSFET provides output power up to 7 W with enhanced headroom for line transients.

The LM5180-Q1 converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

The LM5180-Q1 is qualified to automotive AEC-Q100 grade 1 and is available in 8-pin WSON package with 0.8-mm pin pitch and wettable flanks.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM5180-Q1 65-VIN PSR Flyback DC/DC Converter with 100-V, 1.5-A Integrated MOSFET datasheet (Rev. C) PDF | HTML 12 Apr 2019
Analog Design Journal Why use PSR‐flyback isolated converters in dual‐battery mHEV systems (Rev. A) PDF | HTML 25 Mai 2023
Application note LM5181 Bipolar + and - 18 V Output Design for Signal Chains in PLC Applications PDF | HTML 29 Okt 2021
Technical article MHEVs: Optimizing the automotive powertrain for efficiency and cost PDF | HTML 24 Mai 2021
Application note LM5180 EMI Performance PDF | HTML 04 Apr 2021
Functional safety information LMx518x-Q1 Functional Safety FIT Rate and Failure Mode Distribution (Rev. A) PDF | HTML 26 Jun 2020
Technical article How to raise regulation performance with a stacked-output PSR flyback DC/DC conver PDF | HTML 02 Jun 2020
Application note Extending the Input Voltage Range of the LM5180‐Q1 PSR Flyback for VDA320(LV148) 30 Jan 2020
Analog Design Journal How an auxless PSR-flyback converter can increase PLC reliability and density 30 Sep 2019
EVM User's guide LM5180-Q1 Dual-Output EVM User's Guide (Rev. B) 18 Jul 2019
EVM User's guide LM5180-Q1 Single-Output EVM User's Guide (Rev. D) 18 Jul 2019
Application note DC/DC Buck Converters With Ultra-Low IQ for Industrial Battery-Pack Applications 20 Feb 2019
Technical article Searching for the newest innovations in power? Find them at APEC PDF | HTML 09 Feb 2019
White paper An overview of radiated EMI specifications for power supplies 05 Jun 2018
White paper An overview of conducted EMI specifications for power supplies 01 Feb 2018
Application brief PSR Flyback DC/DC Converter Transformer Design for mHEV Applications 13 Nov 2017

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

LM5180EVM-DUAL — Evaluierungsmodul für PSR-Flyback-Wandler mit breitem Vin und zwei Ausgängen

The LM5180EVM-DUAL evaluation module (EVM) is designed to showcase the performance of the LM5180 PSR flyback converter with wide input voltage range. The design is packaged in a miniature footprint with low component count. It operates over a wide input voltage range of 10 V to 65 V to deliver a (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

LM5180EVM-S05 — Evaluierungsmodul für PSR-Flyback-Wandler mit breitem VIN-Bereich und Einfachausgang

The LM5180EVM-S05 evaluation module (EVM) is designed to showcase the performance of the LM5180 PSR flyback converter with wide input voltage range. The design is packaged in a miniature footprint with low component count. It operates over a wide input voltage range of 10 V to 65 V to deliver a (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

LM5180-Q1 PSpice Transient Model

SNVMBL6.ZIP (183 KB) - PSpice Model
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Simulationsmodell

LM5180-Q1 TINA-TI Dual Startup 15Vout1 and -8Vout2 Transient Model

SNVMBX0.TSC (1352 KB) - TINA-TI Reference Design
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Simulationsmodell

LM5180-Q1 TINA-TI Dual Startup 24Vout1 and 5Vout2 Transient Model

SNVMBX1.TSC (1345 KB) - TINA-TI Reference Design
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Simulationsmodell

LM5180-Q1 TINA-TI Startup Transient Model

SNVMBW8.TSC (1102 KB) - TINA-TI Reference Design
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Simulationsmodell

LM5180-Q1 TINA-TI Steady State Transient Model

SNVMBW9.TSC (1100 KB) - TINA-TI Reference Design
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Berechnungstool

LM5180DESIGN-CALC — LM5180 Quickstart Design Tool

Welcome to the LM5180 quickstart design tool. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC flyback regulator based on the LM5180 PSR flyback converter. As such, the user can expeditiously arrive at an optimized design to meet the application (...)
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
AC/DC- und DC/DC-Wandler (integrierter FET)
LM5180 — No-Opto-Flyback-Wandler, 65 V Eingangsspannung, mit integriertem MOSFET, 100 V, 1,5 A LM5180-Q1 — No-Opto-Flyback-Wandler für die Automobilindustrie, 65 V Eingangsspannung, mit integriertem MOSFET,
Hardware-Entwicklung
Evaluierungsplatine
LM5180EVM-DUAL — Evaluierungsmodul für PSR-Flyback-Wandler mit breitem Vin und zwei Ausgängen LM5180EVM-S05 — Evaluierungsmodul für PSR-Flyback-Wandler mit breitem VIN-Bereich und Einfachausgang
Software
Berechnungstool
LM5180DESIGN-CALC — LM5180 PSR-Flyback-Wandler-Designtool
Herunterladen
Leiterplatten-Layout

LM5180EVM-S05 PCB Layout Files

SNVC233.ZIP (1903 KB)
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Leiterplatten-Layout

LM5180EVM-DUAL PCB Layout Files

SNVR472.ZIP (3416 KB)
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Referenzdesigns

PMP31236 — Gate driver reference design for HybridPACK™ Drive IGBT modules

This reference uses six UCC5880-Q1 gate-drive ICs and six LM5180-Q1 isolated bias supplies to interface with and drive Infineon HybridPACK™ insulated-gate bipolar transistor (IGBT) modules. The isolated output voltage is +15 V and −8 V with 100-mA maximum output current each. The input voltage (...)
Test report: PDF
Referenzdesigns

PMP22760 — Referenzdesign für eine Bias-Stromversorgung mit zwei Ausgängen für Wechselrichter- und Motorantrieb

Dieses isolierte primärseitig geregelte (PSR) Sperrwandler-Referenzdesign bietet zwei +15-V-Ausgänge mit jeweils 100nbsp;mA. Er wurde entwickelt, um eine Vorspannung für einen Rotorspulen-Erregertreiber in Motor- und Wechselrichteranwendungen zu liefern. Die isolierte Ausgangsspannung wird von der (...)
Test report: PDF
Schaltplan: PDF
Referenzdesigns

PMP30750 — Referenzdesign für PSR-Flyback-Regler mit zwei Ausgängen und 3,5 W für den Automobilbereich

This reference design showcases a dual output primary-side regulated flyback converter, which covers an input voltage range of 8.0 V to 36 V. The output voltage of the two isolated outputs is 17.5 V each with a maximum load current of 100 mA.
Test report: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-010048 — Referenzdesign für isoliertes Analogeingangsmodul mit Kanal-zu-Kanal-Isolierung

This reference design is a four channel-to-channel, isolated 4–20 mA, current-loop analog input module. The design includes a short circuit, overcurrent and overvoltage limit function for condition monitoring sensor and module applications. The major features of this analog input module (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-020030 — Referenzdesign für isolierten Gate-Treiber auf der Basis von SiC/IGBT mit thermischer Diode und Sens

This reference design is an IGBT or SiC isolated gate driver power stage driving a IGBT module with advanced protection features. The design consists of a single phase power stage from a traction inverter supporting high level of safety features. The IGBT module has integrated thermal diode for (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-020015 — Referenzdesign für IGBT/SiC-Gate-Treiber mit 4,5 bis 65 V Eingang, kompakter Bias-Stromversorgung mi

This reference design is a 4.2-W, single-channel, automotive 12-V battery input flyback bias supply for IGBT/SiC isolated gate drivers. The supply accepts a wide input range of 4.5-V to 65-V DC. The output is configurable as +15 V,–8 V or +20 V, –4 V at loads up to 180 mA for driving (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-020014 — Referenzdesign für eine Traktionsinverter-Leistungsstufe für Hybrid- und Elektrofahrzeuge (HEV/E) mi

Dieses Referenzdesign stellt eine einphasige Traktionsinverter-Leistungsstufe mit drei 12-V-Autobatterieeingängen und 4,2-W-Vorspannungsversorgungslösungen für Hybrid-Elektrofahrzeuge und Elektrofahrzeuge (HEV/EV) dar. Sämtliche Vorspannungsversorgungslösungen akzeptieren einen großen (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-010009 — Kompaktes, effizientes Hilfsstromversorgungs-Referenzdesign mit 24 V-Eingang für Servoantriebe

This reference design showcases a method to generate power supplies required in a servo or AC drive including the analog and digtal I/O interfaces, encoder supply, isolated transceivers and digital processing block. This design also implements protection against input reverse polarity, output (...)
Design guide: PDF
Schaltplan: PDF
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