Main board V3 - input/output signal voltage conversion

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marucha79
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Main board V3 - input/output signal voltage conversion

Post by marucha79 »

Hello. I'm trying to do inverter for my Seat Arosa using main board V3 nad OEM Kia Niro hybrid inverter. Input (PWM) and output (fault signal for every phase) voltage for my IGBT driver board is 5V. Is it good and reliable solution usage of cheap chinese 3,3V to 5V converter (Level Shifter Module), e.g. 8 channel?
The fault signal is probably not a issue. I can use diode for each phase signal, connect output together and then get resistor devider to achive 3,3V on main board input. Am I right?
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