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FNA41560运动智能功率模块RD-345 1500W空调电源解决方案
发布时间:2011/3/1 0:20:00 来源:
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李湘宁 2850985550
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张代明 3003290139
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姚红霞 3003214837
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Fairchild公司的FNA41560运动智能的功率模块,包括有600V-15A 3相IGBT逆变器桥,控制IC和保护电路,逆变器的每相电流可单独监视,内置的温度调节器用来超温监视,绝缘指标2000Vrms/min,主要用在AC 100V ~ 253V三相逆变器驱动以及家用电器如空调和电冰箱,本文介绍了FNA41560主要特性,内部等效电路,典型应用电路图以及参考设计RD-345主要特性,空调器方框图,3相逆变器参考设计电路图和PCB布局图。
It is an advanced motion-smart power module (Motion-SPMTM) that Fairchild has newly developed and designed to provide very compact and high performance ac motor drives mainly targeting low-power inverter-driven application like air conditioner and refrigerator. It combines optimized circuit protection and drive matched to low-loss IGBTs. System reliability is further enhanced by the integrated under-voltage lock-out protection, short-circuit protection, and temperature monitoring. The high speed built-in HVIC provides opto-coupler-less single-supply IGBT gate driving capability that further reduce the overall size of the inverter system design. Each phase current of inverter can be monitored separately due to the divided negative dc terminals.

FNA41560主要特性:
• 600V-15A 3-phase IGBT inverter bridge including control ICs for gate driving and protection
• Easy PCB layout due to built-in bootstrap diode and VS output
• Divided negative dc-link terminals for inverter current sensing applications
• Single-grounded power supply due to built-in HVIC
• Built-in thermistor for over-temperature monitoring
• Isolation rating of 2000Vrms/min.

 FNA41560应用:
• AC 100V ~ 253V three-phase inverter drive for small power ac motor drives
• Home appliances applications like air conditioner and refrigerator

图1。FNA41560内部等效电路和输入/输出引脚图

图2。FNA41560典型应用电路图

参考设计RD-345

参考设计RD-345主要特性:
FNA41560
600V-15A 3-phase IGBT inverter bridge including control ICs for gate driving and protection
Easy PCB layout due to built-in bootstrap diode and independent VS pin
Divided negative DC-link terminals for inverter current-sensing applications
Single-grounded power supply due to built-in HVIC
Built-in NTC thermistor for over-temperature monitoring
Isolation rating of 2000Vrms/min.
1N4749A
Silicon planar power Zener diodes, DO-41 glass case
24V/1.0W rating Zener diode
For use in stabilizing and clipping circuits with high power rating
Standard Zener voltage tolerance: ±5%

图3。空调器方框图

图4。FNA41560 3相逆变器参考设计电路图

图5。3相逆变器参考设计PCB布局图

 
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