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ECN3021

Hitachi
Part Number ECN3021
Manufacturer Hitachi
Description High Voltage Monolithic IC
Published Apr 3, 2006
Detailed Description HIGH-VOLTAGE MONOLITHIC IC ECN3021 ECN3021 is a single chip three-phase bridge inverter IC which has 6 IGBTs in the cir...
Datasheet PDF File ECN3021 PDF File

ECN3021
ECN3021

Overview
HIGH-VOLTAGE MONOLITHIC IC ECN3021 ECN3021 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 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...


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