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TIDA-010950

Damper and EEV controller Reference Design with power regulation and Hall-effect position sensing

TIDA-010950

Design files

Overview

This reference design demonstrates a dual motor drive solution for damper actuators and electronic expansion valves . The multiple motor drives include one bipolar stepper motor driver, one brushless DC motor driver, operating from a 15VDC source. The design shows accurate power limiting that helps for easy qualification as a low-power circuit, defined by IEC 60335-1. This reference design incorporates a 0-10V and 4-20mA control interface for controlling the position of the valve or damper, and a TMAG5273 which is used for accurate position sensing.

Features
  • Operates at voltage ranging from 24 V to 40 V        
  • Brushless DC drive - 1.2 ARMS with two half bridges in parallel mode        
  • Bipolar stepper drive DRV8847 efficiency > 95 %        
  • Single MCU control with multi-slave operation devices via I2C, SPI        
  • 13.7W power regulation with < 1% error to help easy low-power circuit qualification with IEC 60335-1        
  • 0-10V and 4-20mA control front-end        
     
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

PDF | HTML
TIDUF74A.PDF (3483 K)

Reference design overview and verified performance test data

TIDMCT9.PDF (735 K)

Detailed schematic diagram for design layout and components

TIDMCU0.PDF (168 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDMCU1.PDF (424 K)

Detailed overview of design layout for component placement

TIDMCU3.ZIP (3456 K)

Files used for 3D models or 2D drawings of IC components

TIDCGO4.ZIP (893 K)

Design file that contains information on physical board layer of design PCB

TIDMCU2.PDF (2442 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

LMR38020SIMPLE SWITCHER® power converter 4.2-V to 80-V, 2-A, synchronous buck with 40-µA IQ

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS629323.8-V to 30-V input, 2-A, 200-kHz to 2.2-MHz, low-IQ synchronous buck converter in SOT-583 package

Data sheet: PDF | HTML
Analog temperature sensors

LMT841.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92

Data sheet: PDF | HTML
Arm Cortex-M0+ MCUs

MSPM0G350780MHz Arm® Cortex®-M0+ MCU with 128KB flash 32KB SRAM 2x4Msps ADC, DAC, 3xCOMP, 2xOPA, CAN-FD, MATHA

Data sheet: PDF | HTML
BLDC drivers

DRV8316C40-V max 8-A peak 3-phase motor driver with integrated current sensing, FETs, and enhanced CSA specs

Data sheet: PDF | HTML
CAN transceivers

TCAN3343.3-V CAN Transceivers

Data sheet: PDF | HTML
Isolated digital inputs

ISO1212Dual-channel Isolated 24-V to 60-V digital input receiver for digital input modules

Data sheet: PDF | HTML
Multi-axis linear & angle position sensors

TMAG5273Low-power linear 3D Hall-effect sensor with I²C interface

Data sheet: PDF | HTML
Stepper motor drivers

DRV842835-V, 1-A bipolar stepper motor driver with integrated current sensing & 1/256 microstepping

Data sheet: PDF | HTML
eFuses & hot swap controllers

TPS16412.7-V to 40-V 152-mΩ 1.8-A eFuse with output power limiting

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Design guide Damper and EEV Controller Reference Design with Power Regulation and Hall-Effect Position Sensing (Rev. A) PDF | HTML Apr. 30, 2024

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