Startseite Energiemanagement DC/DC-Spannungsversorgungsmodul Stromversorgungsmodule (integrierter Induktor)

LMZ34202

AKTIV

Abwärts-Stromversorgungsmodul, 4,5 bis 42V, 2 A, im QFN-Gehäuse

Eine neuere Version dieses Produkts ist verfügbar

Dieses Produkt ist weiterhin für Bestandskunden erhältlich. Neue Designs sollten ein alternatives Produkt erwägen.
Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
TPSM63603 AKTIV Kompaktes 3-A-Leistungsmodul für 3 bis 36 V Eingangsspannung und 1 bis 16 V Ausgangsspannung Significantly smaller footprint, lower EMI, higher efficiency, and optional spread spectrum.

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 105 Topology Buck, Inverting Buck-Boost, Synchronous Buck Type Module Iout (max) (A) 2 Vin (min) (V) 4.5 Vin (max) (V) 42 Vout (min) (V) 2.5 Vout (max) (V) 7.5 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features EMI Tested, Enable, Frequency synchronization, Light Load Efficiency, Power good, Remote Sense Duty cycle (max) (%) 90
Rating Catalog Operating temperature range (°C) -40 to 105 Topology Buck, Inverting Buck-Boost, Synchronous Buck Type Module Iout (max) (A) 2 Vin (min) (V) 4.5 Vin (max) (V) 42 Vout (min) (V) 2.5 Vout (max) (V) 7.5 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features EMI Tested, Enable, Frequency synchronization, Light Load Efficiency, Power good, Remote Sense Duty cycle (max) (%) 90
B3QFN (RVQ) 43 100 mm² 10 x 10
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 10 mm × 10 mm × 4.3 mm Package
  • Wide-Output Voltage Adjust (2.5 V to 7.5 V)
  • Adjustable Switching Frequency
    (200 kHz to 1 MHz)
  • Synchronizes to an External Clock
  • Automatic PFM Mode for Light Load Efficiency
  • Adjustable Soft-Start Time
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Over-Temperature Thermal Shutdown Protection
  • Over-Current Protection (Hiccup Mode)
  • Pre-Bias Output Start-Up
  • Operating Temperature Range: –40°C to 105°C
  • Enhanced Thermal Performance: 14°C/W
  • Meets EN55022 Class B Emissions
    – Integrated Shielded Inductor
  • Create a Custom Design using the LMZ34202 with the WEBENCH® Power Designer
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 10 mm × 10 mm × 4.3 mm Package
  • Wide-Output Voltage Adjust (2.5 V to 7.5 V)
  • Adjustable Switching Frequency
    (200 kHz to 1 MHz)
  • Synchronizes to an External Clock
  • Automatic PFM Mode for Light Load Efficiency
  • Adjustable Soft-Start Time
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Over-Temperature Thermal Shutdown Protection
  • Over-Current Protection (Hiccup Mode)
  • Pre-Bias Output Start-Up
  • Operating Temperature Range: –40°C to 105°C
  • Enhanced Thermal Performance: 14°C/W
  • Meets EN55022 Class B Emissions
    – Integrated Shielded Inductor
  • Create a Custom Design using the LMZ34202 with the WEBENCH® Power Designer

The LMZ34202 power module is an easy-to-use integrated power supply that combines a 2-A DC-DC converter with a shielded inductor and passives into a low profile, QFN package. This total power solution allows as few as three external components while maintaining an ability to adjust key parameters to meet specific design requirements.

The QFN package is easy to solder to a printed circuit board, allows reflow profiles up to 245°C, and has excellent power dissipation capability. The LMZ34202 offers flexibilty with many features and is ideal for powering a wide range of devices and systems.

The LMZ34202 power module is an easy-to-use integrated power supply that combines a 2-A DC-DC converter with a shielded inductor and passives into a low profile, QFN package. This total power solution allows as few as three external components while maintaining an ability to adjust key parameters to meet specific design requirements.

The QFN package is easy to solder to a printed circuit board, allows reflow profiles up to 245°C, and has excellent power dissipation capability. The LMZ34202 offers flexibilty with many features and is ideal for powering a wide range of devices and systems.

Herunterladen Video mit Transkript ansehen Video

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 6
Typ Titel Datum
* Data sheet LMZ34202 4.5-V to 42-V Input, 2-A Power Module datasheet (Rev. C) PDF | HTML 20 Jun 2018
Application note Soldering Considerations for Power Modules (Rev. C) PDF | HTML 14 Mär 2024
Technical article Powering medical imaging applications with DC/DC buck converters PDF | HTML 24 Nov 2020
White paper Simplify low EMI design with power modules 20 Nov 2017
White paper Benefits and trade-offs of various power-module package options 02 Aug 2017
User guide LMZ34202 Simple Switcher® Power Module Evaluation Module 04 Feb 2016

Design und Entwicklung

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

Evaluierungsplatine

LMZ34202EVM — 4,5 V bis 42 V, 2 A, Abwärts-Stromversorgungsmodul – Evaluierungsplatine

The LMZ34202 evaluation board is configured to evaluate the operation of the LMZ34202 power module. The input voltage range is 4.5V to 42V. The output voltage can be selected from 5 popular voltages (2.5V, 3.3V, 5.0V, 6.0, & 7.5V) using a single jumper. The switching frequency can also be (...)
Benutzerhandbuch: PDF
Simulationsmodell

LMZ34202 Non Inverting and Inverting PSpice Transient Model

SNVMAM6.ZIP (149 KB) - PSpice Model
Referenzdesigns

TIDA-00783 — Referenzdesign für platzoptimiertes Stromversorgungsmodul mit großem Eingangsspannungsbereich und dr

The TIDA-00783.1 reference design is a triple output wide Vin power module design. It provides 3.3V, 1.8V and 1.2V output, at 6W total power. The layout is optimized for space constrained applications.
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-01352 — 400 W, kontinuierliches, skalierbares, programmierbares ±2,5- bis ±150-V-Ultraschall-Stromversorgung

The TIDA-01352 enables modular and efficient power scaling capability by providing a solution for digitally programmable power supply for powering ultrasound transmit circuit. The design uses push-pull topology to generate high-voltage (HV) and low- (LV) or MID- voltage power supplies. The HV (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-010011 — Referenzdesign für hocheffiziente Stromversorgungsarchitektur für Schutzrelais-Prozessormodul

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-00808 — Referenzdesign für platzoptimiertes invertierendes DC/DC-Stromversorgungsmodul mit minimaler Bauteil

The TIDA-00808 is a simple DC/DC inverting power supply reference design for industrial applications. It takes a wide input voltage between 4.5V and 55V and generates a negative 5V @ 1.75A output with 86% peak efficiency. Since this design is inverting, the maximum output current increases as the (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
B3QFN (RVQ) 43 Ultra Librarian

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos