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Texas Instruments UCC25800 | Demoboard PMP22835
Isolated IGBT and SiC Driver Bias Supply Reference Design for Traction-Inverter Applications
Overview
| Topology | LLC Resonant Converter |
| Input voltage | 24 V |
| Output 1 | 20 V / 0.3 A |
| Output 2 | -4 V / 0.3 A |
Description
This isolated open-loop LLC transformer driver converter provides dual +20-V and -4-V outputs up to 6 W for traction inverter applications. The LLC topology allows the transformer to have significant leakage inductance, but a much smaller primary-secondary capacitance, which significantly reduces common-mode current injection through the bias transformer. This reference design offers a high level of integration and high efficiency in a compact form factor.
Features
- Open-Loop LLC transformer driver
- Ultra-low EMI
- 9-V ~ 34-V supply range
- 6-W output power with 24-V input
- Resistor programmable switching frequency from 100 kHz to 1.2 MHz
- Synchronization to external clock
- Programmable maximum dead-time with automatic dead-time adjustment
- Under voltage lockout
- Adjustable over-current protection thresholdExternal disable function
- Input over voltage protection
- Over temperature protection (TSD)
- Fault-code output for system intelligence
- Latched and fault-auto-restart versions available
- 8-Pin DGN package with thermal pad
Typical applications
- Automotive traction inverter,IGBT and SiC gate driver bias, Automotive DC/DC,automotive on-board charger, EV charging station, automotive super charger, UPS and solar inverters, Industrial motors, elevators, and escalators.
More information
Products
| Order Code | Datasheet | Downloads | Product series | VIN (V) | VOut1 (V (DC)) | PO (W) | CWW 1 (pF) | L (µH) | ∫Udt (Vµs) | fswitch (kHz) | n | Version | IC Reference | IOut1 (A) | Type of Insulation | NPRI : NSEC | VT (V (RMS)) | L (mm) | W (mm) | H (mm) | Mount | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750313734 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | – | 5.25 | 340 | 10 | 300 - 620 | 1:1.1 | Push-Pull | – | 0.8 | Reinforced | 1:1.1 | 5000 | 9.14 | 12.7 | 7.62 | SMT | – | – | – | – | – | – | |
 | 750319177 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 7 files | WE-AGDT Auxiliary Gate Drive Transformer | 7.5 | 13 | 4.55 | 0.68 | 16.5 | 36 | 500 | 1:1.67 | LLC | UCC25800 | 0.64 | – | – | 4000 | 11.3 | 10.95 | 11.94 | – | – | – | – | – | – | – | |
| 750319331 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 7 files | WE-AGDT Auxiliary Gate Drive Transformer | 13 | 11.5 | 6 | 1.3 | 50 | 60 | 500 | 1:1 | LLC | UCC25800 | 0.76 | – | – | 4000 | 11.3 | 10.95 | 11.94 | – | – | – | – | – | – | – | |
 | 691313710002 | SPEC | 6 files | WR-TBL Series 3137 - 5.00 mm Close Horizontal PCB Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 12 | – | – | THT | 2 | Pluggable | PCB | No | Horizontal | – | |
| 691313710003 | SPEC | 6 files | WR-TBL Series 3137 - 5.00 mm Close Horizontal PCB Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 17 | – | – | THT | 3 | Pluggable | PCB | No | Horizontal | – | |
 | 691352710002 | SPEC | 3 files | WR-TBL Series 3527 - 5.00 mm Vertical | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 10 | – | – | Cable | 2 | Pluggable | Cable | No | Vertical | 12 to 22 (AWG) 3.31 to 0.129 (mm²) | |
| 691352710003 | SPEC | 3 files | WR-TBL Series 3527 - 5.00 mm Vertical | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 15 | – | – | Cable | 3 | Pluggable | Cable | No | Vertical | 12 to 22 (AWG) 3.31 to 0.129 (mm²) |
| Order Code | Datasheet | |
|---|---|---|
| 750313734 | SPEC |
| 750319177 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| 750319331 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| 691313710002 | SPEC |
| 691313710003 | SPEC |
| 691352710002 | SPEC |
| 691352710003 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Product series | VIN (V) | VOut1 (V (DC)) | PO (W) | CWW 1 (pF) | L (µH) | ∫Udt (Vµs) | fswitch (kHz) | n | Version | IC Reference | IOut1 (A) | Type of Insulation | NPRI : NSEC | VT (V (RMS)) | L (mm) | W (mm) | H (mm) | Mount | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Samples |
|---|