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48V轻度混合动力系统

概述
文件
工具与软件
解决方案
48V电气系统优于目前的12V系统,在为风扇、泵、电动助力转向系统和压缩机供电时提供4倍的功率和更高的效率。虽然高压意味着效率更高,但汽车法规要求如使用高于60V的系统时要使用相对昂贵的屏蔽电缆(以便进行电流隔离),因此48V系统可降低成本。 在轻度混合动力车辆中使用的48V系统是企业推动汽车电气化发展的第一步,不仅性价比更高,还可减低排放量。 ST的产品种类齐全,包括硅功率MOSFET、保护元件、栅极驱动器和微控制器,符合AEC-Q100和AEC-Q101标准,可构建经济高效的48V车辆设备。  

48V-12V双向DC/DC转换器

在轻度混合动力电动汽车中,DC/DC转换器是系统不可或缺的组成部分。它通常用于降压模式,将48 V启动发电机产生的电能供给12 V系统。在某些情况(如启动车辆和自动驾驶功能)下,也可用于升压模式。
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48V启停系统

轻混动技术为汽车制造商减少CO2排放和提高燃油效率提供了一种经济高效的解决方案。起动机发电机为48 V网络提供电力,降低了ICE负载,并能提供其他功能(如惯性滑行)。起动机发电机可采用皮带驱动(通常为10 kW),也可更深度地集成到车辆的传动系统中,具体取决于需要的动力。
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48V电动增压器

With the aim of reducing CO2 emissions, turbocharger systems  are evolving from exhaust gas driven to electric driven forms for use in Mild Hybrid Electric Vehicles (MHEV). The superchargers improve the response of the engines at low revolutions and
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AEC-Q100 and AEC-Q101 products

ST is able to offer a complete product portfolio including silicon power MOSFETs, protections, gate drivers and microcontrollers, in accordance to AEC-Q100 and AEC-Q101 standards to build cost effective and efficient 48V vehicle networks.

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Choose design tool:

Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
Choose type:
DC/DC
AC/DC
太阳能电池充电器

LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC

Digital Power Workbench

Provides a step-by-step optimized design of power section and control loop
Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Choose type:
LLC
VIENNA

Power Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node