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Texas Instruments TMS320F28379D | Demoboard TIDM-1001
Two-Phase Interleaved LLC Resonant Converter Design With C2000™ Microcontrollers
Overview
| Topology | LLC Resonant Converter |
| IC revision | E2 |
Description
This TI Design implements a digitally-controlled, 500- W, two-phase interleaved LLC resonant converter. The system is controlled by a single, C2000 microcontroller (MCU), TMS320F28379, which also generates pulse width modulation (PWM) waveforms for all power electronic switching devices under all operating modes. This design implements an innovative current sharing technique to accurately achieve current balancing between phases.
Features
- Digitally-Controlled Two-Phase Interleaved LLC Resonant DC-DC Converter
- 500-W (250 W per Phase) Full-Load Power or 42.5-A Full-Load Current
- Vin: 370-V to 410-V DC
- Vout: 12-V DC
- Resonant Frequency: 250 kHz, Switching Frequency Range: 200 kHz to 350 kHz
- Peak Efficiency: 94.5%, Efficiency > 90% for all Loads Above 10% of Rated Load
- Excellent Current Sharing Between Phases Without Any Additional Hardware
- Phase Shedding With Programmable Limits
- Fault Protection: Phase and Output Overcurrent, Output Overvoltage, and Input Undervoltage and Overvoltage
- Supported by Various C2000 powerSUITE Tools
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.(°) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 630 nm, Super Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]630 nm | Emitting ColorSuper Red | Peak Wavelength [typ.]645 nm | Luminous Intensity [typ.]60 mcd | Forward Voltage [typ.]1.9 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° |