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Fahrzeugtechnik

Elevate your low-voltage power net with 48V

Anwendungen zeigen
Der Übergang zu 48-V-Systemen in Fahrzeugen
The transition from 12V to 48V in the automotive market unlocks opportunities to enhance vehicle features, improve drive range and fuel efficiency, and reduce wire harness cost. Our intelligent and scalable solutions enable a seamless transition to 48V automotive architectures, providing reliable power distribution, advanced load actuation, efficient DC/DC conversion, and safe input management.

Vorgestellte Anwendungen

Fahrzeugtechnik

Die Automobilindustrie vorantreiben

Industrieanwendungen

Entwicklung intelligenterer, besserer Industriedesigns

Kommunikationsausrüstung

Finden Sie Designressourcen, interaktive Blockschaltbilder und Bausteine speziell für Ihre Anwendungen im Bereich „Kommunikationsausrüstung“

Unterhaltungselektronik

Bereitstellung von persönlichen Elektroniklösungen für die gesamte Signalkette

Unternehmenssysteme

Treiben Sie Innovationen für Ihre Unternehmenssysteme voran

Anwendungen zeigen

Why choose TI for your 48V automotive systems?

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Seamlessly transition to 48V

Streamline development with 48V solutions that leverage processes and features from our established 12V portfolio.

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Provide comprehensive 48V solutions

Take advantage of our portfolio as we expand into 48V automotive solutions including DC/DC converters, motor drivers, high- and low-side switches, and smart eFuses.

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Optimize electromagnetic compatibility and efficiency

Leverage our packaging expertise and features to develop compact designs with high power density and improved EMC performance.

48V solutions

Smart eFuse switches, ideal diodes and current-sense amplifiers

48V power distribution requires reliable and safe distribution to downstream electronics.

Our 48V power distribution solutions offer:

  • Integrated I2t wire protection.
  • Integrated and external gate  field-effect transistor (FET) solutions.
  • Efficient reverse-current protection for power supply ORing.
  • Precise integrated or external current sensing with bidirectional options.

A combination of smart eFuse switches, ideal diodes and current sense amplifiers are needed to achieve safe and reliable 48V power distribution.

parametric-filter View 48V smart eFuse switches parametric-filter View 48V current-sense amplifiers parametric-filter View 48V ideal diode controllers
Vorgestellte Produkte für 48V power distribution
Neu TPS4812-Q1 AKTIV Highside-Treiber für die Automobilindustrie, 100 V, niedriger Ruhestrom, mit bidirektionaler Stro
LM74700D-Q1 AKTIV Idealer Dioden-Controller für die Automobilindustrie, 3,2 bis 70 V, 80 μA, mit Verpolungsschutz
INA296B-Q1 AKTIV Bidirektionaler, hochpräziser Strommessverstärker, -5 V bis 110 V, 1,1 MHz, 8 V/µs mit AEC-Q100-Qual

Motor drivers, high- and low-side switches, and LED drivers

48V motor, lighting and other electrical loads require drivers that can handle high transient voltages while limiting heat dissipation.

Our 48V load actuation solutions provide:

  • >70V maximum input voltage.
  • High thermal density packaging for compact printed circuit board designs.
  • Scalable drivers with integrated and external FET solutions.
  • TI Functional Safety-Capable devices.
  • Intelligent diagnostics features.
  • Integrated slew-rate control and other electromagnetic interference (EMI) reduction techniques.
parametric-filter View 48V high-side switches parametric-filter View 48V LED drivers parametric-filter View 48V brushed-DC motor drivers arrow-right Learn more about 48V brushless-DC motor drivers
Vorgestellte Produkte für 48V load drivers
Neu DRV8263-Q1 VORSCHAU 48-V-Vollbrücken-Motortreiber für die Automobilindustrie mit Diagnose und interner Strommessung
TPS1HTC30-Q1 AKTIV 6-A-Smart-Highside-Lastschalter (60 V, 30 mΩ) mit einstellbarer Strombegrenzung für die Automobilind
DRV3256-Q1 AKTIV Integrierte 3-phasige 48 V-Gate-Treibereinheit (GDU) für den Automobilbereich mit 2,5 A-Spitze-Sink-

DC/DC converters, battery chargers and USB Type-C® PD

48V architectures require various power solutions to supply vehicle electronic systems and loads while minimizing heat dissipation and EMI. Our solutions improve efficiency, decrease design size, and reduce EMI in your 48V applications.

Important 48V applications include:

  • 800V or 400V to 48V conversion.
  • 48V to 0.5V-16V conversion.
  • 48V lithium-Ion battery and supercapacitor charging.
  • 48V to USB Type-C PD.
  • 48V to audio amplifier supply.
arrow-right View 48V reference designs parametric-filter View automotive 48V DC/DC controllers parametric-filter View 48V DC/DC converters (integrated FET) parametric-filter View 48V battery charger ICs arrow-right Learn more about gate drivers
Application note
Reducing Conducted EMI in a Buck Converter for 48 V Automotive Applications
This application note discusses some of the challenges of EMI in buck converters, particularly in automotive systems where the power rail increases to 48V DC.
PDF | HTML
Video
Automotive 48V to Core High Power Reference Design
Watch this video to learn about our solution for supplying the core voltage rail directly from a 48V power supply.
Referenzdesign
30V to 60V input, 240W buck converter reference design with GaN switches
This reference design comprises a power supply generating a regulated 12V output from a nominal 48V battery input (ranging from 30V to 60V).
Vorgestellte Produkte für 48V power solutions
Neu LM5137F-Q1 VORSCHAU Synchroner Zweikanal-Abwärtsregler für funktionale Sicherheit für die Automobilindustrie, 80 V, 100 
Neu LM65680-Q1 VORSCHAU Synchron-Abwärtswandler, optimiert für niedrige EMI, für die Automobilindustrie, 65 V, 8 A
Neu BQ25856-Q1 AKTIV 12C-gesteuerter bidirektionaler 70 V-Zwei-Kanal-Abwärts-/Aufwärtsregler für die Automobilindustri

Referenzdesigns für Fahrzeugtechnik

Mit unserem Referenzdesign-Auswahltool können Sie die für Ihre Anwendung und Ihre Parameter am besten geeigneten Designs finden.

Referenzdesigns anzeigen
48V low-voltage power net paves the way for advancements in autonomous driving and vehicle electrification by increasing electrical power capacity and reducing wire harness cost and weight. Our product portfolio supports industry needs to meet the latest 48V requirements by scaling features from our 12V portfolio. Our goal is to support customers with versatile solutions for all 48V power net architectures. 
– Donovan Porter | Texas Instruments Body electronics and lighting sector general manager

Technische Ressourcen

White paper
White paper
48V Automotive Systems: Why Now?
In this paper, we discuss the growing interest in 48V low-voltage rail systems for electric and hybrid vehicles and how engineers can use them to reduce wire harness size and cost while enabling new features. 
document-pdfAcrobat PDF
Application note
Application note
Reducing Conducted EMI in a Buck Converter for 48 V Automotive Applications
This application note discusses some of the challenges of electromagnetic interference (EMI) in buck converters particularly in automotive systems where the power rail is increasing to 48V DC.
document-pdfAcrobat PDF
Ressource
Ressource
Understanding the transition from 12V to 48V in electric vehicles
Learn why OEMs are considering moving to 48V, understand the IC and system challenges for 48V, and see possible architectures at a system level and module level to implement 48V.