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ECN3022 - High Voltage Monolithic IC

Key Features

  • ∗ Speed control for a 3-phase DC brushless motor is available with an external microprocessor. ∗ Bottom arm circuits can be operated in 20kHz chopping frequency of PWM. ∗ For converted AC200 to 230V power supplies. RU D2 VCC(15V) C0 CB HU VB VB supply Clock HV HW C+ RV RW D1 + C1 CL VS1 VS2 VS C2 + C- VCC Charge Pump FG FG DM Rotating Directio M Top Arm Driver 3-Phase Distributor Bottom Arm Driver LVSD Clock Hall ICs MU MV MW Microprocessor Analog output VSP Comparator CMP + 1.23V +.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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P1/9 HIGH-VOLTAGE MONOLITHIC IC ECN3022 ECN3022 is a single chip three-phase bridge inverter IC which has 6 IGBTs in the circuit. Especially, it is very suitable for controlling the speed of 3-phase DC brushless motors to which converted AC200∼230V power supplies are applied. Fig. 1 shows the internal block diagram. Functions ∗ Integrated charge pump circuit ∗ Integrated free wheel diodes ∗ Integrated PWM circuit ∗ Integrated FG circuit ∗ Integrated over current protection circuit ∗ Integrated rotating direction monitor circuit ∗ All output IGBTs shut off function Features ∗ Speed control for a 3-phase DC brushless motor is available with an external microprocessor. ∗ Bottom arm circuits can be operated in 20kHz chopping frequency of PWM. ∗ For converted AC200 to 230V power supplies.