This reference design realizes a three-phase inverter subsystem for AC inverter drives and servo drives using an intelligent power module (IPM). Reinforced isolation is present between the microcontroller (MCU) and the IPM-based power stage. The PWM signals are isolated using the single-package, six-channel digital isolator, ISO7760. In-phase current sensing is done in two motor phases using the isolated delta-sigma modulator, AMC1303M0520. DC bus voltage feedback and module temperature feedback is provided to the MCU through isolated delta-sigma modulators, AMC1303M2520. This reference design is controlled by a C2000™ MCU.
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Reference design overview and verified performance test data
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
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Design file that contains information on physical board layer of design PCB
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Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | IPM Ref Design for Inverters Using Single-Package Six-Channel Digital Isolator | Jan. 29, 2018 |
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