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Texas Instruments ACS716 | Demoboard TIDM-1007
Interleaved CCM Totem Pole Bridgeless PFC ReferenceDesign Using C2000™ MCU
Overview
| Topology | Power Factor Correction |
| IC revision | C |
Description
This reference design illustrates a method to control a bidirectional interleaved continuous conduction mode (CCM) totem pole (TTPL) bridgeless power factor correction (PFC) power stage using a C2000™ microcontroller (MCU) and LMG3410R070. This power topology is capable of bidirectional power flow (PFC and grid-tied inverter) and it uses Gallium Nitride (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 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
- powerSUITE™ Support for Easy Adaptation ofDesign 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
Typical applications
- Merchant network & server PSU
- DC charging (pile) station / Wireless EV charging station
- HVAC motor control
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 |