The PMP4489 reference design is a dedicated USB-C PD2.0 DFP 5V/12V 3A output flyback converter featuring the secondary-side regulation UCC28740DR, which provides constant voltage and constant current functionality. This design features less than 75mW standby power consumption (DOE 6 and CoC V5 Level 2 compliant). The secondary voltage and secondary balanced synchronous rectifier UCC24636 achieves high efficiency with maximum SR on-time. The TPS25740 is fully compatible with USB Power Delivery 2.0 providers and Type-C downstream ports (DFP).
| Devices | Class | introduce | Datasheet |
|---|---|---|---|
| CSD17579Q5A | Discrete semiconductor;The transistor | CSD17579Q5A 30-V N-Channel NexFET™ Power MOSFET 8-VSONP | Download |
| CSD19533Q5A | Discrete semiconductor;The transistor | Drain-source voltage (Vdss): 100V Continuous drain current (Id) (at 25°C): 100A Gate-source threshold voltage: 3.4V @ 250uA Drain-source on-resistance: 9.4mΩ @ 13A, 10V Maximum power dissipation ( Ta=25°C): 3.2W Type: N-channel N-channel, 100V, 75A, 7.8mΩ@10V | Download |
| TL431 | semiconductor;Power management | TL431 2% Accuracy Adjustable Precision Shunt Regulator | Download |
| TPS25740 | semiconductor;Analog mixed-signal IC | TPS25740 TPS25740 USB Type-C? Rev 1.2 and USB PD 2.0 Source Controller (5V/12V/20V) | Download |
| UCC24636 | semiconductor;Power management | UCC24636 Synchronous Rectifier Controller With Ultra-Low Standby Current | Download |
| UCC28740 | semiconductor;Power management | UCC28740 Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback | Download |
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