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Texas Instruments ACS716 | Demoboard TIDM-02008
Bidirectional high density GaN CCM totem pole PFC using C2000™ MCU
Overview
| Topology | Positive to Negative Converter |
| Input voltage | 380 V |
| Output 1 | 230 V / 16 A |
| IC revision | C |
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
- PFC mode: AC input (90-230 Vrms), 50-60 Hz and 3.3-KW rated power at high line
- Grid-tied inverter mode: DC input (Up to 400 V) and 3.3-KW rated power at high line
- 98.75% peak efficiency and less than 2% total harmonic distortion (THD)
- In-built frequency response analyzer (SFRA) for verification and design of control loops
- Low zero crossing distortion
- High power density design enabled by both GaN and C2000 controller high frequency operation
Typical applications
- AC charging (pile) station, Battery test, Energy storage power conversion system (PCS)
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 | ||||
| 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 Current13 A | Inductance7 mH | DC Resistance8 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length35.5 mm | Width23 mm | Height34.5 mm | MountTHT |