Weltrend | Products

USB PD controllers

WT6676F

The WT6676F is a highly integrated USB Power Delivery (USB PD) controller that supports USB PD 3.2 SPR & EPR 36V specification. It is designed for USB Type-C^®power source applications such as power adapters, wall chargers, car chargers, and power strips. The WT6676F minimizes external components by integrating USB PD baseband PHY, USB Type-C detection, shunt regulator, voltage and current monitors, NMOS load switch driver and an 8-bit MCU to allow small form factor and low BOM cost. Wide operation voltage range (3.3V to 45V) supports USB PD 3.2 SPR & EPR 36V specification. A Multi-Time-Programmable (MTP) ROM is provided for program code and user configuration data. The WT6676F is certified by USB Implementers Forum (USB-IF) for USB PD 3.1 140W (TID: 9065).

Features

- USB Type-C and USB-PD
- Supports USB PD 3.2 SPR & EPR 36V

- Programmable USB Type-C pull-up Rp (current source)

- Integrated Vconn power and switch for E-marked cable
- Built-in shunt regulator
- Programmable constant voltage control

- Programmable constant current control

- Integrated low side current sense amplifier

- Cable drop compensation
- Supports USB BC1.2 DCP, Quick Charge 4 and Quick Charge 4+ (backward compatible Quick Charge 3.0 and Quick
Charge 2.0)
- Programmable fault protections
- Over Voltage Protection (OVP)

- Under Voltage Protection (UVP)

- Over Current Protection (OCP)

- Over Temperature Protection (OTP)
- 10-bit ADC for voltage and current monitoring
- MCU
- Turbo 8051 compatible MCU

- 17.9K bytes Multi-Time-Programmable (MTP) ROM
- Driver for NMOS load switch
- Built-in discharge MOS transistor
- Internal RC oscillator
- Internal VDD regulator
- PFC control pin
- General purpose I/Os
- Supports power saving mode
- Operating voltage range: 3.3V to 45V (50V Max. rating)
- Operating temperature range: -20°C to +105°C
- Green Package: 16-pin QFN (4mmx4mm)

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Desktop PCs & Notebooks

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