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Texas Instruments LM5018 | Demoboard TIDA-00909
48-V, 10-A, High-Frequency PWM, 3-Phase GaN Inverter Reference Design for High-Speed Motor Drives
Overview
| Topology | Buck Converter |
| Input voltage | 48 V |
| Switching frequency | 40-100 kHz |
| Output 1 | 5 V / 0.6 A |
| IC revision | E1 |
Description
Low-voltage, high-speed drives and low-inductance brushless motors require higher inverter switching frequencies in the range of 40 kHz to 100 kHz to minimize losses and torque ripple in the motor. The TIDA-00909 reference design achieves this by using a three-phase inverter with three 80 V, 10-A half-bridge GaN power modules (LMG5200) and uses shuntbased phase-current sensing. Gallium nitride (GaN) transistors can switch much faster than silicon fieldeffect transistors (FETs) and integrating the GaN FET and driver in the same package reduces parasitic inductances and optimizes switching performance to reduce losses, thus allowing the designer to downsize or eliminate the heatsink. The TIDA-00909 offers a TI BoosterPack™ Plug-in Module with a compatible interface to connect to a C2000™ MCU LaunchPad™ Development Kit for easy performance evaluation
Features
- Three-Phase GaN Inverter With Wide-Input Voltage
- Range 12 V to 60 V and 7 ARMS per 10-A Peak
- Output Current; Tested up to 100-kHz PWM
- GaN Power Stage With Greatly-Reduced Switching
- Losses Allows High PWM Switching Frequencies
- With Peak Efficiency up to 98.5% at 100-kHz PWM
- LMG5200 GaN Half-Bridge Power Stage Simplifies
- PCB Layout and Reduces Parasitic Inductances for
- Optimized Switching Performance; Less than 2-ns
- Rise and Fall Time
- Very-Low Switch Node Voltage Overshoot and
- Undershoot With Very-Low 12.5-ns Deadband
- Minimizes Phase-Voltage Ringing and reduces
- Phase-Voltage Distortions and EMI
- Precision Shunt-Based, Phase-Current Sensing
- With High Accuracy (0.1%)
- TI BoosterPack™ Compatible Interface With 3.3-V
- I/O for Easy Performance Evaluation With C2000™
- MCU LaunchPad™ Development Kit
Typical applications
- Servo Drives and Motion Control,Manufacturing Robots,Service Robots
- Non-Military Drones
- Computer Numerical Control (CNC) Drives
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | IRP,40K(A) | fres(MHz) | Version | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Pins | PCB/Cable/Panel | Modularity | Wire Section | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green | Downloads27 files RAY files
| Status Activei| Production 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 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.7 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | Size0402 | Operating Temperature -55 °C up to +125 °C | – | – | – | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | – | – | – | – | – | – | – | VersionSMT | Impedance @ 100 MHz300 Ω | Maximum Impedance400 Ω | Maximum Impedance380 MHz | Rated Current 2700 mA | DC Resistance0.8 Ω | TypeWide Band | – | – | – | – | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size1210 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length12 mm | Width12 mm | Height10 mm | – | – | Inductance470 µH | Saturation Current @ 10%1.5 A | Saturation Current @ 30%1.85 A | Rated Current1.4 A | Performance Rated Current1.45 A | Self Resonant Frequency1.8 MHz | VersionStandard | – | – | – | – | DC Resistance0.56 Ω | – | Pins2 | – | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | Capacitance2.2 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WR-TBL Series 352 - 5.08 mm Horizontal with Hook on Wire Side, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Length10.16 mm | – | – | – | PackagingBox | – | – | – | – | – | – | – | – | – | – | – | – | TypeHorizontal | Pins2 | PCB/Cable/PanelCable | ModularityNo | Wire Section 12 to 24 (AWG) 3.31 to 0.205 (mm²) |