VIPERGAN65

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采用增强模式GaN HEMT的高级准谐振离线高压变换器

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概述

产品概述

描述

描述

VIPERGAN65是一款高压转换器，适用于中等功率准谐振ZVS（开关开启时零电压开关）反激转换器，可在宽输入范围内提供高达65 W的输出功率。

该器件集成了一套完整的功能，具备极高的灵活性和易用性，有助于设计高效的离线电源。ZVS准谐振操作模式结合动态消隐时间和波谷同步功能，确保电源开关始终在漏极谐振波谷处开启，显著降低开关损耗，并在任何输入线路和负载条件下最大限度提高整体效率。先进的低静态功耗电源管理有助于实现低待机功耗。前馈补偿可最大程度地减小整个输入电压范围内的最大输出峰值功率变化。

除上述功能外，该器件还具有多项保护功能，可显著提高最终产品的安全性和可靠性。具体包括：输出过压保护 (OVP)、过载保护 (OLP)、过压/欠压保护（用于设置转换器的开关输入电压阈值）以及输入过压保护（iOVP，在输入线路出现过压异常时保护系统）。所有保护功能均采用自动重启模式。

  • 所有功能

    • 准谐振 (QR) 反激控制器
    • 650 V增强模式GaN功率晶体管
    • 嵌入式传感场效应晶体管
    • 动态消隐时间和可调波谷同步延迟功能，确保在任何输入线路和负载条件下最大限度地提高效率
    • 波谷锁定功能确保持续跃谷
    • 采用自适应突发模式的高级电源管理，待机功耗低于30 mW
    • 输出过压保护 (OVP)
    • 输入电压前馈补偿，减小独立电源输出峰值功率变化
    • 过压和欠压保护
    • 输入过压保护 (iOVP)
    • 输出过载保护 (OVL)
    • 输出整流器短路保护 (OCP_LEB)
    • 集成热关断
    • 频率抖动，用于抑制EMI

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

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

Choose design tool:
Power Management Design Center

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
Power Management Design Center

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
Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree
• Check for consistency
• Design each individual node
Choose design tool:
Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms
• Get junction temperature and blocking voltage graphs
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms
• Estimate power losses
• Search and sort suitable devices
Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.
Choose design tool:
Signal Conditioning Design Tool

Active Filters

• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass
Signal Conditioning Design Tool

Comparators

• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window
Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values
• Provides current error graphs
Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
Choose design tool:
NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets
Power Management Design Center

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
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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMarketing description of the package type.Storage method used to contain product.Main country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.