This tiny automotive SEPIC reference design contains a 6-W auxiliary power supply and is designed for a 12-V bias rail. The wide input accepts cranking down to 4.5 Vmin and surge up to 40 Vmax. Due to switching frequency of 2 MHz, the dual inductor is fairly small, resulting in excellent dynamic behavior. Controller LM5155x-Q1 is cost effective and its housekeeping currents are minimized. The optional input filter attenuates reflected ripple, and the SEPIC topology supports fine EMI behavior by continuous input current.
| Output voltage options | PMP30805.1 |
|---|---|
| Vin (Min) (V) | 6 |
| Vin (Max) (V) | 18 |
| Vout (Nom) (V) | 12 |
| Iout (Max) (A) | .5 |
| Output Power (W) | 6 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Sepic- CCM |
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 schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
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Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | Tiny Automotive SEPIC Reference Design | Feb. 10, 2020 |
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