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Texas Instruments UCC28180D | Demoboard TIDA-010028
330-W, 95.5% Efficiency and 18-W/in3 Density, Bridgeless PFC+LLC Reference Design
Overview
| Topology | Power Factor Correction |
| Input voltage | 85-265 V |
| Output 1 | 19.5 V / 17 A |
| IC revision | E1 |
Description
This reference design is a compact, high efficiency, bridgeless 330-W, 19.5-V output AC/DC reference design. This design consists of a front-end, bidirectional bridgeless boost power factor correction (PFC) based on the UCC28180A device, achieving end-to-end peak efficiency of > 94% at 90 V AC input and > 95.5% at 230 V AC input. The DC/DC is implemented using the HB-LLC stage implemented using our UCC256301 device. The design uses UCC24624 for synchronous rectification at the secondary side to improve efficiency.
Features
- Full load efficiency at 230 V AC > 95.5% and >94% at 90 V AC
- High power factor > 0.99, meeting PFC regulations and current THD as per IEC 61000-3- 2 Class A
- < 0.25-W standby power with burst mode in both PFC and LLC stages
- ZCS avoidance feature and OVP sensing feature in LLC controller improves robustness and protects systems from overcurrent, short circuit, and overvoltage to ensure safety
- Small 152 mm × 75 mm × 25 mm PCB form factor
Typical applications
- Consumer AC / DC / DIN Rail Power Supply / Industiral AC / DC / PC Power Supply
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) | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 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 Rise220 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch15 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width8 mm | Height14 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 Current15 A | Inductance1 mH | DC Resistance3.2 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length24 mm | Width17 mm | Height25 mm | MountTHT | ||||
| WCAP-CSGP MLCCs 10 V(DC), –, 4.7 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance4.7 µF | – | – | – | Insulation Resistance0.02 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | Rated Voltage10 V (AC) | – | – | Length2 mm | Width1.25 mm | Height1.25 mm | – |