Topology | Positive to Negative Converter |
Input voltage | 12-60 V |
Switching frequency | 40-100 kHz |
Output 1 | 48 V / 17 A |
IC revision | A |
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.
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
Order Code | Datasheet | Simulation | |
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![]() | 150060GS75000 | SPEC | |
![]() | 74279272 | SPEC | |
![]() | 74437324220 | SPEC | |
![]() | 885012206036 | SPEC |
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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 |
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