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reference designDRV8350RHRGZT | Demoboard TIDA-010056

Texas Instruments DRV8350RHRGZT | Demoboard TIDA-010056

54-V, 1.5 kW, <99% Efficient, 70x69 mm2 Power Stage Reference Design for 3-phase BLDC Drives

Overview

TopologyHalf-Bridge Converter symmetrical isolated
Input voltage15 V
Switching frequency200 kHz
IC revisionE2

Description

This reference design demonstrates a 1.5-kW power stage for driving a three-phase brushless DC motor in cordless tools operating from a 15-cell Li-ion battery with a voltage up to 63-V. The design is a 70mm x 69mm compact drive, bringing 25-ARMS continuous current at 20-kHz switching frequency without heat sink and with natural convection, implementing sensorbased trapezoidal control. The design achieves optimized MOSFET switching loss and EMI by using a smart gate driver with optimized MOSFET and PCB. The design shows MOSFET operation within the safe operating area using enhanced protections including MOSFET over current and shoot-through protection by VDS monitoring, gate protection, switching voltage spike optimization with slew rate control and over temperature protection.

Features

  • 9 to 100-V, Triple Half-Bridge Gate Driver– Optional Integrated Buck Regulator– Optional Triple Low-Side Current Shunt Amplifiers
  • Smart Gate Drive Architecture– Adjustable Slew Rate Control For EMI Performance– VGS Handshake and Minimum Dead-Time
  • Insertion to Prevent Shoot-Through– 50-mA to 1-A Peak Source Current– 100-mA to 2-A Peak Sink Current– dV/dt Mitigation Through Strong Pulldown
  • Integrated Gate Driver Power Supplies– High-Side Doubler Charge Pump For 100%
  • PWM Duty Cycle Control– Low-Side Linear Regulator
  • Integrated LM5008A Buck Regulator– 6 to 95-V Operating Voltage Range– 2.5 to 75-V, 350-mA Output Capability
  • Integrated Triple Current Shunt Amplifiers– Adjustable Gain (5, 10, 20, 40 V/V)– Bidirectional or Unidirectional Support
  • 6x, 3x, 1x, and Independent PWM Modes– Supports 120° Sensored Operation
  • SPI or Hardware Interface Available
  • Low-Power Sleep Mode (20 μA at VVM = 48-V)
  • Integrated Protection Features– VM Undervoltage Lockout (UVLO)– Gate Drive Supply Undervoltage (GDUV)– MOSFET VDS Overcurrent Protection (OCP)– MOSFET Shoot-Through Prevention– Gate Driver Fault (GDF)– Thermal Warning and Shutdown (OTW/OTSD)– Fault Condition Indicator (nFAULT)

Typical applications

  • Power and Garden Tools, Lawn Mowers
  • Factory Automation and Textile Machines / Drones, Robotics, and RC Toys
  • E-Bikes, E-Scooters, and E-Mobility

More information

Parts approved by Texas Instruments

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λDom typ.(nm)
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λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
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H(mm)
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SamplesAvailability & Sample
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150060GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
Simu­lation
Availability
–
Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]525 nm
Emitting ColorGreen 
Peak Wavelength [typ.]515 nm
Luminous Intensity [typ.]430 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
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Size0603 
Operating Temperature -40 °C up to +85 °C
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Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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MountSMT 
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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
Simu­lation
Availability
–
Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]590 nm
Emitting ColorYellow 
Peak Wavelength [typ.]595 nm
Luminous Intensity [typ.]120 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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–
–
Size0603 
Operating Temperature -40 °C up to +85 °C
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–
–
Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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MountSMT 
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–
–Check availability
150060RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
Simu­lation
Availability
–
Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]625 nm
Emitting ColorRed 
Peak Wavelength [typ.]630 nm
Luminous Intensity [typ.]250 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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–
–
Size0603 
Operating Temperature -40 °C up to +85 °C
–
–
–
Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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MountSMT 
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–
–Check availability
885012206083
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance1 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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61300211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length5.08 mm
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PackagingBag 
Pins2 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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885012206114
SPECWCAP-CSGP MLCCs 100 V(DC), –, –
Simu­lation
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 100 V(DC)
–
–
–
–
–
–
–
Capacitance10 nF
Capacitance±10% 
Rated Voltage100 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–
–
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–Check availability