This reference design offers power for automotive advanced driver assistance systems (ADAS), infotainment and cluster applications. Operation is over the full automotive range including battery voltage surges up to 60V. Two outputs are provided, 3.3V and 5V, each handling loads up to 20A. The design exhibits a peak conversion efficiency of 95.5% with 24VIN and 93.9% at 48VIN for the 5V output. Results demonstrate 5% output voltage undershoot and overshoot for a 15A step and dump. The test report includes operational data spanning over the full input range and includes bode plots to verify stability with ample margins, thermal images, and precompliance conducted emission scans versus CISPR25 Class 5 limits.
| Output voltage options | PMP23452.1 | PMP23452.2 |
|---|---|---|
| Vin (Min) (V) | 20 | 20 |
| Vin (Max) (V) | 60 | 60 |
| Vout (Nom) (V) | 3.3 | 5 |
| Iout (Max) (A) | 20 | 20 |
| Output Power (W) | 66 | 100 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | DC | DC |
| Topology | Buck- Synchronous | Buck- Synchronous |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Test results for the reference design, including efficiency graphs, test prerequisites and more
Detailed overview of design layout for component placement
Complete listing of design components, reference designators, and manufacturers/part numbers
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Design file that contains information on physical board layer of design PCB
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Detailed schematic diagram for design layout and components
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | Automotive, 20V to 60V Input, Dual-Output (3.3V, 20A and 5V, 20A) Converter Reference Design | PDF | HTML | Feb 7, 2025 |
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