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Texas Instruments LMG2100R044 | Demoboard TIDA-010936
48V/16A small form factor three-phase GaN inverter reference design for integrated motor drives
Overview
| Topology | Positive to Negative Converter |
| Input voltage | 12-60 V |
| Switching frequency | 40-100 kHz |
| Output 1 | 48 V / 17 A |
| IC revision | A |
Description
This reference design demonstrates a high-power density 12V to 60V 3-phase power stage using three LMG2100R044 100V, 35A GaN half-bridges with integrated GaN FETs, driver and bootstrap diode specifically for motor-integrated servo drives and robotics applications. Accurate phase-current sensing is achieved through the IN241A current sense amplifier, DC-link and phase voltages are also measured allowing validation of advanced sensorless designs, such as the InstaSPIN-FOC™. The design offers a TI BoosterPack compatible 3.3-V I/O interface to connect to a C2000™ MCU LaunchPad™ development kit or Sitara™ microcontrollers for quick and easy performance evaluation of our GaN technology.
Features
High efficiency (99.3% peak) at 40kHz PWM enables operation at 25C ambient and up to 16Arms continuous current without heatsink
Small form factor GaN half-bridge power stage enables high power density and simplifies PCB layoutGaN half-bridge enables operation at higher PWM frequencies to help reduce DC-bus capacitor height while replacing electrolytics with ceramic capacitorsZero reverse recovery losses reduce switch node oscillations
Low dead time of 16.6ns minimize phase voltage distortions Precision phase current sense with ±33A range using 1-mΩ shunt and current sense amplifier with high PWM rejection
Typical applications
- Power tools
- LLC converters
- Telecom and server power
- Buck, boost, buck-boost converters
- Motor drives
- Solar inverters
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) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | fres(MHz) | Mount | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | 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 | – | – | – | – | – | MountSMT | – | – | – | – | – | – | |||
 | 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 | – | – | – | – | – | – | MountSMT | Impedance @ 100 MHz300 Ω | Maximum Impedance400 Ω | Maximum Impedance380 MHz | Rated Current 2700 mA | DC Resistance0.8 Ω | TypeWide Band | ||||
 | WE-LHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size4020 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length4.45 mm | Width4.06 mm | Height1.8 mm | – | – | Inductance22 µH | Performance Rated Current1.3 A | Saturation Current @ 10%1.45 A | Saturation Current @ 30%2.35 A | Self Resonant Frequency14 MHz | MountSMT | – | – | – | – | DC Resistance0.5 Ω | – | ||||
| 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 | – | – | – | – | – | – | – | – | – | – | – | – |