Electronically Commutated Motor Reference Design for HVAC Blowers with Low BOM Cost

(ACTIVE) TIDA-01353

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Key Document

Description

The TIDA-01353 reference design is a discrete MOSFET based three-phase ECM control module for driving brushless (BLDC) motors rated up to 375W in HVAC blower applications using a sensorless trapezoidal control method. The cycle-by-cycle overcurrent protection feature protects the power stage from over currents and the board can work up to an ambient temperature of 85°C. This design also incorporates opto-isolation for 5 preset blower speed terminals available to the user, and is a direct replacement reference design for permanent split capacitor (PSC) motors.

Features
  • On-board temperature sensing
  • Opto-coupling for circuit isolation
  • Low cost, high efficiency sensorless ECM motor controller
  • Current sensing using single shunt reistor on DC bus
  • Sensorless trapezoidal control using the TI InstaSPIN-BLDC back-EMF integration method

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LMT84  1.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430F5132  25MHz MCU with Two 16-bit High Res Timers, 8KB flash, 1KB RAM, 10-bit ADC, 16-channel Comparator  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
TLV316  10-MHz, Low-Noise, RRIO, CMOS Operational Amplifier for Cost-Sensitive Systems  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-Channel ESD in 0402 Package With 10pF Capacitance and 6V Breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
UCC27714  High-Speed, 4-A, 600-V High-Side Low-Side Gate Driver  Gate Drivers  Sample & Buy View Design Kits & Evaluation Modules
UCC28881  700-V Lowest Quiescent Current Off-Line Switcher  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LMT84 Download
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MSP430F5132 Download -
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TLV316 Download
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TPD1E10B06 Download Download
UCC27714 Download -
UCC28881 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 4316 23 Feb 2017 34
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 1185 20 Dec 2016 2
ZIP 2391 20 Dec 2016 10
PDF 3604 20 Dec 2016 10
PDF 603 20 Dec 2016 6
PDF 85 20 Dec 2016 14
PDF 2672 20 Dec 2016 39

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