48V/500W Three-phase Inverter with Smart Gate Driver Reference Design for Servo Drives

(ACTIVE) TIDA-01629

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Key Document

Description

Efficiency, protection, and integration are important design factors for compact DC-fed drives up to 60VDC. This reference design shows a three-phase inverter with nominal 48-V DC input and a 10-ARMS output current.  The 100-V intelligent three-phase gate driver DRV8350R with integrated buck converter and six 100-V NexFET™ power MOSFETs with ultra-low gate charge enable high efficiency of the power stage.  Using the internal protection features of the DRV8350R, the power stage is protected against overtemperature, overcurrent, and short-circuit between the motor terminals and motor terminals to ground. Precision phase current sensing is achieved using the INA240. The interface is a 3.3-V I/O to connect a host MCU like the C2000™ MCU for brushless AC motor control.

Features
  • Three-phase inverter with 24-60VDC input and 10 Arms continuous phase current for servo drives
  • Very high peak efficiency (99.0%) eliminates need for heat sink or cooling fan
  • Smart three phase gate driver DRV8350R with on-chip hardware protection and integrated DC/DC buck for gate drive supply
  • Fully protected power stage: Shoot-through, over current, short circuit, under voltage, over temperature protection
  • Programmable gate driver source/sink currents from 50mA to 2A eases optimization of efficiency and EMI performance including VGS handshake and minimum dead-time insertion to avoid shoot-through
  • In-phase shunt measurement based (1mOhm) current sensing with INA240 high-common mode rejection zero-drift current sense amplifier

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Design Files

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Bill of Materials (BOM)

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TI Devices (9)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19532Q5B  100V, 4.0 mOhm, SON5x6 N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
DRV8350R  100-V Three-Phase Smart Gate Driver With Buck Regulator  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
INA240  80V, Low-/High-Side, Bi-Directional, Zero-Drift, Current Sense Amp w/Enhanced PWM Rejection  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LMZM23601  36-V, 1-A Step-Down DC-DC Power Module in 3.8-mm × 3-mm Package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
THVD1550  5V RS-485 Transceivers With ±18kV IEC ESD Protection  Interface  Sample & Buy Not Available
TLV431B-Q1  Automotive Catalog Low-Voltage Adjustable Precision Shunt Regulator   Voltage references  Sample & Buy Not Available
TMP235  Precision Analog Output Temperature Sensor  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
TPS62162  3V-17V 1A Step-Down Converters with DCS-Control™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TS5A23157  Dual 10-Ohm SPDT Analog Switch  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8350R Download Download
INA240 Download
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LMZM23601 Download Download
THVD1550 Download
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TLV431B-Q1 Download Download
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TMP235 Download
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TPS62162 Download Download
TS5A23157 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 7449 25 Sep 2018 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 661 25 Sep 2018 0
ZIP 3323 25 Sep 2018 0
PDF 1858 25 Sep 2018 0
PDF 446 25 Sep 2018 0
PDF 65 25 Sep 2018 0
PDF 452 25 Sep 2018 0
Related Tools & Software

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
C2000 Delfino MCU F28379D LaunchPad™ development kit  LAUNCHXL-F28379D  Development Kits 

Software (1)

Name Part Number Software Type
controlSUITE™ Software Suite: Software and Development Tools for C2000™ Microcontrollers  CONTROLSUITE  Software Libraries 


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