This reference design is a 90W automotive charger for dual USB Type-C® and USB power delivery (PD) with 60W maximum power per port. The TPS25772- Q1 is used as a dual USB Type-C PD controller with a buck-boost regulator. The TPS55x89-Q1 is used as a buck-boost regulator for another port. The board is compliant with the stringent CISPR 25 Class 5 conducted and radiated electromagnetic interference (EMI).
| Output voltage options | PMP41169.1 | PMP41169.2 |
|---|---|---|
| Vin (Min) (V) | 6.8 | 6.8 |
| Vin (Max) (V) | 18 | 18 |
| Vout (Nom) (V) | 20 | 20 |
| Iout (Max) (A) | 3 | 3 |
| Output Power (W) | 60 | 60 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | DC | DC |
| Topology | Buck Boost- 4 Switch | Buck Boost- 4 Switch |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Download ready-to-use system files to speed your design process.
Test results for the reference design, including efficiency graphs, test prerequisites and more
Detailed schematic diagram for design layout and components
Includes TI products in the design and potential alternatives.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Test report | CISPR 25 Class 5, 400kHz-Rated, 90W Automotive Dual USB Type-C® and USB PD Charger Reference Design | PDF | HTML | Mar 17, 2026 |
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