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Texas Instruments UCC28911DR | Demoboard PMP41006
1kW Reference Design Implementing CCM Totem Pole PFC and Current Mode LLC with C2000™ and GaN
Overview
| Topology | Power Factor Correction |
| Input voltage | 100-264 V |
| Output 1 | 12 V / 84 A |
| IC revision | V4.1 |
Description
This reference design demonstrates a hybrid hysteretic control (HHC) method, a current-mode control method, on a half-bridge LLC stage using C2000™ F28004x microcontrollers. The hardware is based on the TIDA-010062 1kW, 80 Plus Titanium Grade, GaN CCM Totem Pole Bridgeless PFC and Half Bridge LLC Reference Design. Hybrid hysteretic control is achieved by additionally adding a proximity card to regenerate the voltage across the resonant capacitor. Compared to the single-loop voltage-mode control method (VMC), this HHC LLC stage has better transient response and easier-to-control loop design.
Features
- Charge or Current Mode Control LLC
- 10kHz loop bandwidth
- Settling time of less than 100µs
- Deviation less than 500mV under full load conversion
- Overcurrent and Overvoltage ProtectionFlexible Synchronous Rectification
Typical applications
- tandalone controller with primary and secondary side control, Server PSU (<= 1kW) with 12V output and digital 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 | Tol. C | Size | Operating Temperature | DF(%) | Ceramic Type | Fl(mm) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | VIN | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | ISAT(A) | 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, 220 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance220 nF | Safety ClassX2 | Rate of Voltage Rise180 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length18 mm | Width6 mm | Height11.5 mm | MountBoxed THT | ||||
| WCAP-FTX2 Film Capacitors, Across the mains, 560 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance560 nF | Safety ClassX2 | Rate of Voltage Rise160 V/µs | Dissipation Factor0.1 % | Insulation Resistance17.86 GΩ | Pitch22.5 mm | PackagingCarton | Capacitance±10% | SizePitch 22.5 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length26 mm | Width7.5 mm | Height16.5 mm | MountBoxed THT | ||||
| WCAP-FTX2 Film Capacitors, Across the mains, 1.5 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance1.5 µF | Safety ClassX2 | Rate of Voltage Rise140 V/µs | Dissipation Factor0.1 % | Insulation Resistance6.67 GΩ | Pitch22.5 mm | PackagingBulk | Capacitance±10% | SizePitch 22.5 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length26 mm | Width10 mm | Height21 mm | MountBoxed THT | ||||
 | WCAP-FTXX Film Capacitors, Across the mains, 470 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance470 nF | Safety ClassX2 | Rate of Voltage Rise280 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch12.5 mm | PackagingBulk | Capacitance±10% | SizePitch 12.5 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length15 mm | Width10 mm | Height16 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 | – | – | – | – | – | – | – | – | SizeM | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current10 A | Inductance2 mH | DC Resistance6.3 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length24 mm | Width17 mm | Height25 mm | MountTHT | ||||
 | WE-MAPI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | – | Size2510 | Operating Temperature -40 °C up to +125 °C | – | – | – | Performance Rated Current0.9 A | Saturation Current @ 30%1.7 A | DC Resistance733 mΩ | Self Resonant Frequency25 MHz | Operating Voltage80 V | – | – | – | – | – | – | – | – | – | – | – | – | Saturation Current1.35 A | Rated Current0.6 A | Inductance0.01 mH | DC Resistance843 mΩ | – | – | – | Length2.5 mm | Width2 mm | Height1 mm | MountSMT | ||||
 | WCAP-ATLL Aluminum Electrolytic Capacitors, –, 3300 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLL Aluminum Electrolytic Capacitors | Capacitance3300 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | Capacitance±20% | – | – | Dissipation Factor16 % | – | – | – | – | – | – | – | Endurance 7000 | Ripple Current2562 mA | Leakage Current528 µA | Diameter13 mm | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage16 V (AC) | – | – | Length30 mm | – | – | – | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 nF | – | – | – | Insulation Resistance5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | WE-OLTI Offline Flyback Transformers, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLTI Offline Flyback Transformers | – | – | – | – | – | – | – | – | SizeEE16/7/5 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | Input Voltage 269 - 282 V (AC) | Output Voltage 118 V | Output Current 10.1 A | Output Voltage 26 V | Output Current 20.9 A | Auxiliary Voltage12 V | Switching Frequency 110 | Turns Ratio16:2:1:2 | Saturation Current0.3 A | – | Inductance1.6 mH | – | – | Insulation Test Voltage3000 V (AC) | – | Length17.5 mm | Width20 mm | Height14 mm | MountTHT |