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Texas Instruments PMP23061 | Demoboard PMP23061
Pre-regulated isolated driver bias supply reference design for traction-inverter applications
Overview
| Topology | LLC Resonant Converter |
| Output 1 | 18 V |
| IC revision | B |
Description
This pre-regulated isolated open-loop LLC transformer driver converter reference design provides four 18-V outputs up to a total of 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. The boost pre-regulator is designed to provide 7.5 W to the LLC converter, which can support a maximum of 6-W output.
Features
- Small open-loop solution size drives four outputs
- Boost stage provides regulated input to LLC
- Compact PCB size (83 mm x 81 mm)
Typical applications
- Traction inverter-high voltage
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | VIN(V) | VOut1(V) | PO(W) | CWW 1(pF) | L(µH) | ∫Udt(µVs) | fswitch(kHz) | n | Version | IC Reference | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2141 - 3.50 mm Vertical Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeVertical | Wire Section 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | – | – | – | – | – | – | |||
 | WE-AGDT Auxiliary Gate Drive Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-AGDT Auxiliary Gate Drive Transformer | – | – | – | – | – | Input Voltage 7.5 | Output Voltage 113 V | Total Output Power4.55 W | Interwinding Capacitance0.68 pF | Inductance16.5 µH | Voltage-µSecond36 µVs | Switching Frequency 500 | Turns Ratio1:1.67 | VersionLLC | IC ReferenceUCC25800 |