This reference design is a smart OR-ing boost converter for automotive emergency call (eCall) applications utilizing a low quiescent current boost controller. The design uses two boost power stages driven by the same controller. The main battery input includes a bypass switch function. The backup battery input has a separate enable with disconnect switches. This combination allows for seamless crossover from the main battery to the backup battery.
| Output voltage options | PMP21152.1 |
|---|---|
| Vin (Min) (V) | 3 |
| Vin (Max) (V) | 30 |
| Vout (Nom) (V) | 10.5 |
| Iout (Max) (A) | 1.5 |
| Output Power (W) | 15.75 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Boost- Non Sync |
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
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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
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | Smart OR-ing boost converter reference design for automotive eCall | Jan 30, 2019 |
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