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Texas Instruments TIDA-00951: 2kW Power Stage Reference Design Schematic

Overview

This document presents the detailed schematics and block diagram for the Texas Instruments TIDA-00951, a 2kW power stage reference design. The design focuses on efficient power conversion and control, utilizing a C2000 Digital Signal Processor (TMS320F28033) as its core controller.

The reference design incorporates key components for power stage operation, including high-side and low-side gate drivers (e.g., UCC27517A, UCC27211A), power MOSFETs, and associated control and protection circuitry. It also features various sensing mechanisms for current (e.g., AMC1301, INA240) and voltage, along with auxiliary power supply generation (e.g., TPS62160, SN6505B) and communication interfaces (e.g., RS-485, CAN).

The input voltage range for this design is typically 300-400 VDC, with an output stage designed for operation within the 36-60 VDC range.

Key Functional Blocks

  • Digital Signal Processor (DSP): C2000 TMS320F28033 (TIDA-01281) for control and processing.
  • Power Stage: High-efficiency power MOSFETs driven by gate driver ICs.
  • Sensing: Integrated current and voltage sensing for feedback and monitoring.
  • Auxiliary Power: On-board generation of necessary low-voltage supplies.
  • Communication: Interfaces for data transfer and control.

Assembly and Hardware Notes

The document includes important assembly notes, such as:

  • ESD Sensitivity: Assemblies require adherence to Electrostatic Discharge (ESD) precautions.
  • Cleanliness: Assemblies must be clean and free from flux and contaminants; no-clean flux is not acceptable.
  • Workmanship: Compliance with IPC-A-610 Class 2 workmanship standards is specified.
  • Hardware Customization: Notes on adjusting nylon screws/standoffs and bumpons for design-specific needs.
  • Labeling: Guidance on updating assembly variant labels.

Important Notice and Disclaimer

Texas Instruments provides TI Resources, including this design information, as-is, without warranties of any kind. Users are responsible for their own application analysis, design, and compliance with regulations. TI disclaims all warranties, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, and non-infringement. TI shall not be liable for any damages arising from the use of these resources.

For detailed terms and conditions, refer to TI's standard terms for semiconductor products and evaluation modules, available at http://www.ti.com/sc/docs/stdterms.htm and http://www.ti.com/sc/docs/sampterms.htm.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Copyright © 2017, Texas Instruments Incorporated.

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