VCES: Collector-Emitter Voltage Of The IGBT The highest allowable off-state collector-emitter voltage in the gate-emitter short circuit condition within the usable junction temperature range. In the manual, VCES is specified at a junction temperature of 25°C, and VCES will decrease as the junction temperature decreases. The relationship between the reduction range and the temperature change can be approximately described by the following formula: .
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IGBT is mainly used in the three aspects of electric vehicle motor drive control system, vehicle air conditioning control system and charging pile
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In the case of using IGBT modules, it is necessary to carefully consider which voltage and current specification IGBT modules to choose.
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1. HOW TO MEASURE THE QUALITY OF IGBT (1). First Determine The Polarity Before measuring whether the IGBT is good or bad, the polarity of the IGBT must be determined first.
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We hereby sincerely invite you and your company representatives to join Electronica China 2023 to visit our booth (7.2H E206) at NECC (Shanghai) from July 11 to 13, 2023.
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Clamping circuits are sometimes used in IGBT drive circuits. The main purpose is to protect IGBT devices and prevent operating parameters from exceeding the limit parameters of the collector or gate. Today we summarize the precautions for the design and use of Vce and Vge clamping circuits.
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