The PMP20774 reference design is a universal USB Type-C charger utilizing the LM5175 DC/DC and TPS25740B PD controller for aftermarket automotive charger applications. This design operates with a minimum input voltage of 6V and a maximum input voltage of 40V. This design is capable of delivering 3A continuously at 5Vout, 9Vout, 15Vout and 20Vout. The switching frequency is set to 350kHz. The waveforms are collected when the input voltage is 12V and 24V.
Blockdiagram
| Devices | Class | introduce | Datasheet |
|---|---|---|---|
| CSD17579Q3A | Discrete semiconductor;The transistor | Drain-source voltage (Vdss): 30V Continuous drain current (Id) (at 25°C): 20A Gate-source threshold voltage: 1.9V @ 250uA Drain-source on-resistance: 10.2mΩ @ 8A, 10V Maximum power dissipation ( Ta=25°C): 3.2W Type: N-channel N-channel, 30V, 39A, 8.7mΩ@10V | Download |
| LM5175 | semiconductor;Power management | LM5175 42V Wide Vin 4-Switch Synchronous Buck-Boost Controller | Download |
| TPS25740B | semiconductor;Analog mixed-signal IC | TPS25740B USB Type-C? and USB PD Source Controller | Download |
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