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Wolfspeed E3M0032120J2/UCC25800 | Demoboard CRD-22DD12N-J2
22 kW Bi-Directional CLLC Utilizing IMS Board
Overview
| Topology | Full-Bridge Converter symmetrical isolated |
| Input voltage | 380-900 V |
| Output 1 | 800 V / 36 A |
| IC revision | 1 |
Description
This reference design demonstrates the application of Wolfspeed’s automotive qualified E3M 1200V SiC MOSFETs in a TO-263-7 (J2) surface mount package to create a 22 kW Bi-Directional High Efficiency DC/DC Converter based on insulated metal substrate (IMS) board for electric vehicle (EV) on-board charger (OBC) and similar applications. The AEC-Q101 compliant E3M™ series MOSFETs are ideally suited for the most challenging on-board applications. This design is intended to work with an active-front-end (AFE) converter that adjusts the input voltage to the DC/DC converter to optimize the system efficiency based on the output (battery) voltage. The range of the DC input is designed to be compatible with both single and three-phase AFE systems while supporting a wide DC output voltage range of 480 V-800 V. A full bridge CLLC resonant converter with a flexible control scheme implements frequency modulation, phase shift control, adaptive synchronous rectification and a bridge reconfiguration technique. The use of 1200V 32mΩ automotive qualified SiC MOSFETs enhance thermal performance and facilitates assembly automation. The use of IMS PCB in this reference design exhibits superior thermal performance.
Features
Peak efficiency of 98.6% in both charging and discharging modePower density of 9.4 kW/LBi-directional operation
Typical applications
- Electric vehicle (EV) on-board charger (OBC) and similar
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | H(mm) | Ø OD(mm) | IR(A) | Ti | Tl(mm) | n | L(µH) | ∫Udt(µVs) | VT(V (DC)) | CWW 1(pF) | LS(µH) | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 5027 - 5.00 mm Horizontal Entry Modular, 2, Pressure Clamp | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 5027 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 22 to 14 (AWG) 0.34 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WE-GDT Gate-Drive-Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-GDT Gate-Drive-Transformer | – | – | – | – | – | Height6 mm | – | – | – | – | Turns Ratio1.5:1 | Inductance650 µH | Voltage-µSecond40.8 µVs | Insulation Test Voltage1500 V (DC) | Interwinding Capacitance9 pF | Leakage Inductance2.9 µH | SizeEP5 | |||
 | WP-SMBU REDCUBE SMT with internal blind-hole thread, –, – | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWP-SMBU REDCUBE SMT with internal blind-hole thread | – | – | – | – | – | Height7 mm | Outer Diameter7 mm | Rated Current50 A | Inner ThreadM4 | Thread Length4 mm | – | – | – | – | – | – | – |