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2370-lphv-mc-ref-design
2370-lphv-mc-ref-design

Part Number: LPHV-MC-Board

LOW POWER HIGH VOLTAGE MOTOR CONTROL REFERENCE DESIGN

**For development reference only, not a product for sale**

  • 3-phase motor control power stage for driving Low Power High Voltage BLDC/ PMSM motors.
  • Current amplification and over current protection through amplifiers/comparators internal to the dsPIC33EP64MC206.
  • Motor drive stage uses an integrated power module with a built-in temperature sensing circuit.
  • Phase voltage feedback for sensorless BLDC operation and windmilling.
  • DC bus and Phase current sensing for single/dual shunt sensorless FOC control.
  • Non-isolated Hall sensors/Quadrature Encoder Interface (QEI) for sensored motor control algorithms.
  • Isolated TTL UART interface.
  • Four LEDs for debug/indication.
  • Four user configurable push buttons.
  • FG signal output

The Low Power High Voltage Board is capable of operating from 90VAC up to a maximum of 230VAC with power output up to 150W.

Overview

Even though most high voltage (110Vac/220Vac) 3-phase motor control applications are high power (>1kW) there are many applications that are low power (<500W). In those cases running on a high power system is not very efficient.  To better demonstrate the capabilities in regards to efficiency in low power high voltage motor control we have developed this reference design (limited to 150W). This compact and cost-effective high voltage board is targeted to control various high voltage motors such as Brushless DC (BLDC) motors, Permanent Magnet Synchronous Motors (PMSM) and AC Induction Motors (ACIM) in sensored or sensorless operation.

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All Application Notes

Documentation

Title
Document Id
LPHV Motor Control Board User's Guide Download 5d5c1cf0-bf49-406d-afcb-f3c9ca7b735d

Application Notes

Title
Date
Document Category
AN1292 Source Code for LPHV using dsPIC33EP64MC206 20 Oct 2019 Application Notes
Field Oriented Control of a Three-Phase BLDC Motor using a Rotary Inductive Position Sensor 04 Oct 2022 Link Application Notes