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当前位置：首页 -> 方案设计 |
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| FNA21012A SPM工业马达驱动参考设计 |
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| 文章来源： 更新时间：2014/12/4 11:06:00 |
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Fairchild公司的FNA21012A是Motion SPM® 2模块,提供用于交流马达,BLDC和永磁马达(PMSM)的全特性高性能的1200V/10A三相反相输出级,包括内置IGBT的栅极驱动器,多种模块保护特性如欠压锁住,过流关断,温度检测和故障报告.主要用于工业AC 400V级的工业马达运动控制.本文介绍了FNA21012A主要特性, 框图, 开关测试电路以及FNA21012A 1200V参考设计主要特性, 空调器室外风扇马达驱动框图, 三相逆变器参考设计和PCB布局图.
The FNA21012A is a Motion SPM® 2 module providing a fully-featured, high-performance inverter output stage for AC induction, BLDC, and PMSM motors. These modules integrate optimized gate drive of the built-in IGBTs to minimize EMI and losses, while also providing multiple on-module protection features: under-voltage lockouts, over-current shutdown, temperature sensing, and fault reporting. The built-in, high-speed HVIC requires only a single supply voltage and translates the incoming logic level gate inputs to high-voltage, high-current drive signals to properly drive the module’s internal IGBTs.
Separate negative IGBT terminals are available for each phase to support the widest variety of control algorithms.
FNA21012A主要特性:
• UL Certified No. E209204 (UL1557)
• 1200 V - 10 A 3-Phase IGBT Inverter, Including Control ICs for Gate Drive and Protections
• Low-Loss, Short-Circuit-Rated IGBTs
• Very Low Thermal Resistance Using Al2O3 DBC Substrate
• Built-In Bootstrap Diodes and Dedicated Vs Pins Simplify PCB Layout
• Separate Open-Emitter Pins from Low-Side IGBTs for Three-Phase Current Sensing
• Single-Grounded Power Supply Supported
• Built-In NTC Thermistor for Temperature Monitoring and Management
• Adjustable Over-Current Protection via Integrated Sense-IGBTs
• Isolation Rating of 2500 Vrms / 1 min.
FNA21012A应用:
• Motion Control - Industrial Motor (AC 400 V Class)
图1. FNA21012A内部框图
图2. FNA21012A开关测试电路
FNA21012A 1200V参考设计
This reference design supports design of 1200 V Motion SPM® 2 series. It should be used in conjunction with the 1200 V Motion SPM 2 series datasheets as well as Fairchild’s application notes.
FNA21012A 1200V参考设计主要特性:
1200 V 10 A / 25 A / 35 A 3-Phase IGBT Inverter Including Control ICs for Gate Driving and Protections
Very Low Thermal Resistance by Adopting DBC Substrate
Easy PCB Layout due to Built-in Bootstrap Diodes
Divided Negative DC-Link Terminals for Inverter Three-Leg Current Sensing
Single-Grounded Power Supply due to Built-in HVICs and Bootstrap Operations
Built-in Thermistor for Temperature Monitoring
Isolation Rating of 2500 VRMS/min.
图3.空调器室外风扇马达驱动框图(直接耦合)
图4.三相逆变器参考设计(直接耦合)
图5. FNA21012A设计PCB布局图(直接耦合)
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