A complete battery back-up, charger and monitoring is implemented with this reference design. It includes switching between a 12/24-Vdc source and 12/24-V lead acid battery, constant current battery charging at 1A typical, battery maintenance float charge and monitoring circuits for the battery and input source.
| Output voltage options | PMP22125.1 | PMP22125.2 |
|---|---|---|
| Vin (Min) (V) | 8.5 | 18.5 |
| Vin (Max) (V) | 17.5 | 36.5 |
| Vout (Nom) (V) | 12 | 24 |
| Iout (Max) (A) | 1 | 1 |
| Output Power (W) | 12 | 24 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | DC | DC |
| Topology | Buck Boost- 4 Switch^Hot Swap | Buck Boost- 4 Switch^Hot Swap |
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
Files used for 3D models or 2D drawings of IC components
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 | Battery Back-up Switch, Charger and Monitor Reference Design | May 13, 2020 |
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