45W USB Type-C PD Power Adapter Solution Based on ST STUSB4700
Introduzione alla soluzione
The STUSB4700 is a new USB power supply controller series that communicates through Type-CTM configuration channel pins (CC) to negotiate a certain amount of power supply to query consumer devices.
STUSB4700 is aimed at providers of laptops, tablets and AC adapters / DFP advertising management system equipment. Without any MCU control, the device can handle any connection to the receiver or DRP, from device accessories to power negotiation, including VBUS discharge and protection.
STUSB4700's 45W USB Type-C PD wall plug-in power adapter solution uses STCH02 main controller and STUSB4700 USB PD controller as the design basis. There are 5 V, 9 V, and 15 V USB output voltage curves all with 3 A ratings. With ultra-low standby power consumption. USB power supply (PD) is managed by STUSB4700, compatible with Type-C: power negotiation, Vbus discharge, protection, etc. are completely managed by IC.
Core technology advantages
1. USB wall power adapter input: 85 VAC ~ 264 VAC
2. USB voltage output: 5 V, 9 V and 15 V
3. Current limit: all voltage level curves are 3A
4.45W output power
1.Car regulation level
2. I2C interface + interrupt (optionally connected to MCU)
3. Efficiency is about 90%
4. USBType-C Power Delivery compatible
5. USB-IF certification
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