TI.com では Internet Explorer をサポートしていません。環境や使いやすさを最適化するために、他のブラウザの使用をお願いいたします。

車載

Elevate your low-voltage power net with 48V

アプリケーションを参照
自動車における48Vシステムへの移行
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.

主なアプリケーション

エンタープライズ・システム

エンタープライズ システム ソリューションの革新を推進

パーソナル・エレクトロニクス

シグナル・チェーン全体にパーソナル・エレクトロニクス・ソリューションを提供

産業用

よりスマート、より強力な産業用設計の設計が可能

車載

自動車の開発を推進

通信機器

通信機器アプリケーション固有の設計リソース、対話型ブロック図、デバイスをご覧ください

アプリケーションを参照

Why choose TI for your 48V automotive systems?

checkmark

Seamlessly transition to 48V

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

checkmark

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.

checkmark

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
48V power distribution に関する主な製品
新製品 TPS4812-Q1 アクティブ 車載、双方向電流監視機能と I2t 機能と診断機能搭載、100V、低静止電流 (IQ)、ハイサイド ドライバ
LM74700D-Q1 アクティブ 車載対応、3.2V ～ 70V、80μA、逆極性バッテリ保護、理想ダイオード コントローラ
INA296B-Q1 アクティブ AEC-Q100、-5V ～ 110V、双方向、1.1MHz、8V/μs、高精度電流センス アンプ

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
48V load drivers に関する主な製品
新製品 DRV8263-Q1 プレビュー 車載、診断機能と内部電流センス機能搭載、48V フルブリッジ モーター ドライバ
TPS1HTC30-Q1 アクティブ 車載対応、調整可能な電流制限機能搭載、60V、6A、30mΩ、1 チャネル、スマート ハイサイド スイッチ
DRV3256-Q1 アクティブ 車載、ゲート ドライブ電流のピーク シンク (吸い込み) 値が 2.5A、3 相、48V、統合型ゲート ドライバ ユニット (GDU)

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
アプリケーション・ノート
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
ビデオ
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.
リファレンス デザイン
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).
48V power solutions に関する主な製品
新製品 LM5137F-Q1 プレビュー 車載対応、80V、100% のデューティ サイクル、デュアルチャネル、機能安全準拠の同期整流降圧コントローラ
新製品 LM65680-Q1 プレビュー 低 EMI に対応する、65V、8A の車載対応同期整流降圧コンバータ
新製品 BQ25856-Q1 アクティブ 車載、I2C 制御、70V、双方向、昇降圧充電コントローラ

車載 関連の各種リファレンス・デザイン

セレクションツールを使用すると、お客様のアプリケーションやパラメータに最適なリファレンス・デザインをご覧いただけます。

リファレンス・デザインを表示
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

技術リソース

ホワイト・ペーパー
ホワイト・ペーパー
48V 車載システム：なぜ今なのか？
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
アプリケーション・ノート
アプリケーション・ノート
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
関連資料
関連資料
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.