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Automotive 48V 1kW motor drive reference design

TIDA-00281

Overview

TIDA-00281 TI reference design is a three-phase brushless DC motor driver for 48V automotive applications. The board is designed to drive motors in the 1kW range and can handle currents up to 30A. This design uses analog circuitry used with the C2000 LaunchPad to rotate a three-phase BLDC motor without position feedback from Hall effect sensors or quadrature encoders.

characteristic

● Speed control of three-phase brushless DC (BLDC) motors without position sensors
● Three-phase power supply control through phase voltage and current sensing scaling and filtered feedback
● Can operate within a wide voltage range of 48V battery system
● Reverse polarity protection for 12V batteries

Backlog Impt notice changes Backlog Impt notice changes end

Blockdiagram

Design Files

Documentation

Digital Power Factor Converter (PFC) for Telecom and Server Design Guide

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Update:2025-07-01 13:26:52

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