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Texas Instruments UCC28740/SN6505B | Demoboard TIDA-010203
4-kW single-phase totem pole PFC reference design with C2000 and GaN
Overview
| Topology | Other Topology |
| Input voltage | 200-277 V |
| Output 1 | 400 V / 10 A |
| IC revision | A |
Description
This reference design is a 4-kW CCM totem-pole PFC with F280049/F280025 control card and LMG342x EVM board. This design demos a robust PFC solution, which avoids isolated current sense by putting the controller's ground in the middle of a MOSFET leg. Benefitting from non-isolation, AC current sense can be implemented by high-speed amplifier OPA607, helping to realize reliable over-current protection. In this design, efficiency, thermal image, AC drop, lighting surge and EMI CE are fully validated. With completed test data, this reference design shows the maturity of totem-pole PFC with C2000 and GaN and is a good study platform for high efficiency products' PFC stage design.
Features
- Maximum power: 4000-W @ 200-V to 277-V nominal
- Peak efficiency: >= 99.1% ; power factor : ~0.999
- Current sensing by non-isolated high-speed amplifier
- Single phase CCM totem pole with TI Gen2 daughter card
- Compatible with TMS320F28004x/F28002x digital controllers
- FSI communication port included
Typical applications
- Air conditioner outdoor unit
- Merchant network & server PSU, Merchant telecom rectifiers
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | VOP (V) | Mount | VIN | VOut1 (V) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324027012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | Across the mains | 1.2 µF | 275 | X2 | 130 | 0.1 | 8.33 GΩ | -40 °C up to +105 °C | 27.5 | 31 | 13 | 22 | Bulk | – | – | – | – | – | – | Boxed THT | – | – | – | – | – | – | – | – | ||
 | 74438323100 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | – | – | 2.5 | 2 | 1 | – | 10 | 0.9 | 1.7 | 733 | 25 | 80 | SMT | – | – | – | – | – | – | – | – | ||
 | 750315371 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | – | – | 8.3 | 12.6 | 4.1 | Tape and Reel | 72 | – | – | – | – | – | SMT | 4.5 - 5.5 V (DC) | 5 | 1 | Functional | 400 - 700 | 8.6 | 1:1.1 | 2500 | |
| 750344721 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324027012 | SPEC | |
| 74438323100 | SPEC | |
| 750315371 | SPEC | – |
| 750344721 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | VOP (V) | Mount | VIN | VOut1 (V) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | Samples |
|---|