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Texas Instruments C2000 | Demoboard TIDM-02008
Bidirectional Interleaved CCM Totem Pole Bridgeless PFC Reference Design Using C2000™ MCU
Overview
| Topology | Power Factor Correction |
| Input voltage | 120-230 V |
| Output 1 | 380 V / 10 A |
Description
This reference design is a 3.-kW bidirectional interleaved continuous conduction mode (CCM) totem-pole (TTPL) bridgeless power factor correction (PFC) power stage using a C2000™ real-time controller and LMG3410R070 gallium nitride (GaN) with integrated driver and protection. This power topology is capable of bidirectional power flow (PFC and grid-tied inverter) and it uses LMG341x GaN devices, which enables higher efficiency and reduction in size of the power supply. The design supports phase shedding and adaptive dead time for efficiency improvements, input cap compensation scheme for improved power factor at light loads, and non-linear voltage loop to reduce voltage spikes under transient in PFC mode. The hardware and software available with this reference design accelerates time to market.
Features
- Interleaved, 3.3-kW, Single-Phase, Bidirectional Bridgeless CCM Totem Pole PFC Stage
- 100-kHz Pulse Width Modulation (PWM) Switching
- Programmable Output Voltage, 380-V DC Output Nominal
- Less Than 2% Total Harmonic Distortion (THD)
- Greater Than 98% Peak Efficiency
- power SUITE™ Support for Easy Adaptation of Design for User Requirement
- Software Frequency Response Analyzer (SFRA) for Quick Measurement of Open Loop Gain
- Soft Starting of PWM for Reduced Zero Current Spike in TTPL PFC
- Software Support for F28004x Using Driver Library
- Same Source Code Maintained When Running Control Loop on C28x or CLA
Typical applications
- Telecom Rectifier
- Drives, Welding, and Other Industrial
- Energy Storage System (ESS), Onboard Chargers for Electronic Vehicles (EVs)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 2.2 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance2.2 µF | Safety ClassX2 | Rate of Voltage Rise170 V/µs | Dissipation Factor0.1 % | Insulation Resistance4.55 GΩ | Pitch22.5 mm | PackagingBulk | – | – | – | Rated Voltage275 V (AC) | – | – | Length26 mm | Width15 mm | Height25 mm | MountBoxed THT | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | Rated Current10 A | Inductance12 mH | DC Resistance15 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length34 mm | Width23 mm | Height34 mm | MountTHT |