Design

Three-phase inverter reference design for VAC drives

26th September 2019
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This reference design from TI realises a reinforced isolated three-phase inverter subsystem using isolated IGBT gate drivers and isolated current/voltage sensors. The UCC23513 gate driver used has a six-pin wide body package with optical LED emulated inputs which enables its use as pin-to-pin replacement to existing opto-isolated gate drivers.

This design shows that the UCC23513 input stage can be driven using all existing configurations used to drive opto-isolated gate drivers.

In-phase shunt resistor based motor current sensing is done using AMC1300B isolated amplifier and DC link voltage, IGBT module temperature sensing using the AMC1311 isolated amplifier. The design uses a C2000 LaunchPad for inverter control.

To learn more, click here.

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