48V システム
Why Upgrade to 48V? Overcoming the Limitations of 12V Power
The shift to a 48V architecture offers fundamental advantages for any high-power design. By directly addressing the core engineering challenges of power loss, thermal management, and system cost, 48V systems enable a new level of efficiency and performance.
| 製品 | 説明 | |
|---|---|---|
| AMT49100 | 80V 車載用 3 相 MOSFET ドライバーおよび 3 LS 電流検知アンプ | |
| AMT49101 | 80V 車載用 3 相 MOSFET ドライバーおよび 2 LS 電流検知アンプ、マイクロプロセッサ用リニア レギュレーター | |
| AMT49502 | 80V ハーフ ブリッジ MOSFET ゲート ドライバーおよび単一の LS 電流検知アンプ | |
| A89500 | 分散 EPS/ ブレーキ システム用 100V ハーフ ブリッジ、超小型パッケージ | |
| A89503 | 直列接続負荷用のハーフ ブリッジ ゲート ドライバーおよび単一の LS 電流検知アンプ | |
| A89103 | ソリッド ステート 3 相モーター相アイソレーター、2 つの追加のチャネル (逆バッテリー切断用) |
Why Leading Engineers Choose Allegro
Our solutions aren't just 48V-tolerant; they are 48V-optimized. We deliver performance and robustness that adapted 12V components simply cannot match.
Unmatched Robustness for Real-World Transients
Our SG8 technology is based on robust automotive qualified 120V wafer process, provides the critical headroom to withstand harsh 70V-80V transients and ensuring your designs survive the most rigorous transient immunity tests.
Future-Proof, System-Capable Design
Our components are not just supply-capable (able to handle a 48V input); they are system-capable. Many of our ICs operate seamlessly across both 12V and 48V domains, allowing you to integrate Allegro today with confidence that your design is ready for tomorrow's zonal architectures without costly requalification.
A Legacy of Automotive Safety and Partnership
48V Solutions Across the Ecosystem
Explore how our solutions are enabling higher efficiency, greater power density, and smarter control across key industries.
Automotive
Powering the Future of Mobility
Manage power in mild-hybrid powertrains, xEV powertrain, zonal architectures and high demand loads like steering and braking systems with our portfolio of robust, AEC-Q100 qualified and functionally safe 48V solutions.
Data Center
Enabling High-Density AI Computing
Maximize efficiency and minimize thermal loss in high density servers. Our power management ICs and motor drivers are optimized for 48V power distribution and advance air and liquid cooling systems.
Industrial
Driving the Next Wave of Automation
Design compact, high performance motor control solutions for robotics, AGVs and power tools. Our robust gate and intelligent motor drivers deliver optimal control and efficiency.
Powering Electrification and Autonomy
Allegro’s 48V-ready sensors and power ICs are the building blocks for the next generation of automotive and industrial systems.
Start Your 48V Design with an Expert
Have a specific challenge or need help selecting the right component? Our team of application experts is ready to support your design.
Documentation & Resources
Application Note
System-Level Application Considerations for Magnetic Speed Sensors
AN296266 - The use of a noncontact, active, speed sensor integrated circuit (IC) greatly simplifies system design-in of a magnetic speed sensor. Although these ICs are designed to operate under a wide variety of system factors, the cautious automotive designer must contemplate certain more-subtle system considerations.
Brochure
Brochure: State-Of-The-Art Back-Biased GMR Speed Sensing
Allegro pioneers the first back-biased GMR Sensor with 50% larger air gaps. This larger air gap operation enables smaller and lighter transmissions that achieve reduced fuel consumption to help meet today's fuel economy standards.
Application Note
Advanced On-Chip Linearization in the A1335 Angle Sensor IC
AN296127 - This document shows how magnetic-input-related errors in excess of ±20 degrees can be linearized by the A1335 to as low as ±0.3 degrees—roughly a 65× improvement.
Application Note
Linearization and Two-Point Programming on the A31100 and A31102
AN296213 - This application note highlights the procedure for calculating the magnetic field compensation parameters through two-point programming and calculating the linearization coefficients using our available software tools with the intention of providing an easy-to-use guide to programming these sensor ICs.
Brochure
Brochure: LED Headlamps for Mainstream Vehicles
The A80803 is a switch-mode, constant-current controller for high-power LED automotive lighting applications that addresses many common pain points for headlight designers.
Brochure
Brochure: Current Sensing for Vehicle Electrification
Charge into the future of vehicle electrification with the world's #1 supplier of current sensor ICs for leading EV applications.
Brochure
Brochure: Driving EV Powertrains
With the industry’s largest portfolio of grade 0, 80V motor drivers, Allegro’s suite of fully integrated gate drivers effectively address the critical need for efficient, flexible, reliable solutions for your hybrid and electric vehicles (EV).
Case Study
Shifting the Future of Electric Vehicles
The technology used in eVibe’s system started out as antivibration control for gas-powered vehicles. But as the market for personal vehicles began to shift toward electric, GHSP redirected its efforts.
Technical Article
Magnetic Sensor ICs Offer Integrated Diagnostics for ASIL Compliance
The ever-evolving requirements of the automotive, industrial, and commercial markets for increased reliability and functionality will continue to drive demand for electronic content, including non-contact magnetic sensor ICs with diagnostics.
Brochure
Brochure: Innovative Solutions for Vehicle Electrification
From high-voltage (HV) inverters and traction motors, to HV converters and transmissions, to on-board chargers (and beyond), our portfolio includes a suite of current sensors, gate drivers, DC-DC regulators, and power management integrated circuits (PMICs) for a multitude of electrified vehicle (EV) applications.
Technical Article
Common Driver Platform for 12V and 48V Systems Simplifies EV Starter Generator Designs
This article discusses how using a common platform for both 12V and 48V starter generator systems will simplify and ease the transition to 48V solutions, as the electrical revolution continues to transform the automotive industry.
Whitepaper
Top Motor Braking Trends In The Automotive Industry
This whitepaper examines the most promising trends in electronic braking and introduces our sensor IC solutions for automotive applications.
Blog
イノベーションの推進: 電気自動車の未来に向けた GHSP と Allegro MicroSystems の取り組み
急速に進化する電気自動車 (EV) 業界において、機械および電気機械システムの大手プロバイダーである GHSP はイノベーションの最前線に立っています。
Brochure
Allegro Company Overview
Our Energy Efficient ICs are at the Core of Sensing, Regulating, and Driving All Electrical and Electronic Equipment.
Application Note
AMT49100 & AMT49101: How to Enable / Disable the Buck Regulator
AN296217 - This application note describes how to switch between buck enabled and buck disabled operation on any variant of the AMT49100 or AMT49101 gate diver family.