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ML4423IS芯片解密与部分特性

2012-07-16 11:39

随着芯谷解密研究所在ML4423IS芯片解密研究领域取得突破性进展,并已经成功开发出针对ML4423IS及其他众多芯片解密的现成方案,可以面向国内外广大客户提供极具可靠性和经济价值的优质解密服务。以下是此ML4423IS芯片技术特性简介:
The ML4423 provides the PWM sinewave drive signals necessary for controlling three phase AC induction motors as well as single and two phase split capacitor AC induction motors.A constant voltage/frequency ratio can be maintained over a frequency range of greater than 10:1, providing 15Hz to 150Hz control. The output variable frequency AC voltages are sensed and fed back to the controller to track the sinewave frequency and amplitude set at the speed control input. Direction, on two and three phase motors, is controlled by changing the relative phase difference between the motor windings: 90× for two phase motors and 120× and 240× for three phase motors.
FEATURES
·Drives single, two, and three phase AC motors
·Greater than 10:1 variable speed control range
·Constant V/F ratio with programmable end points
·Reverse capability for two and three phase motors
·Low distortion PWM sinewave drive
·Eliminates run capacitors in PSC motors
·Coast function for quick power disable
·Low cost interface for various gate drivers
·PWM current limit, undervoltage lockout, and programmable deadtime
·12V ±20% operation with onboard 8V reference
芯谷欢迎广大客户来电咨询解密详情及报价信息,为客户提供优质可靠、价格合理的解密方案。

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