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WT6673F
The WT6673F is a highly integrated USB Power Delivery (USB PD) Dual Role Port (DRP) controller that supports USB PD 3.0 Programmable Power Supply specification and Qualcomm® Quick Charge ™ 4, Quick Charge 4+, and Quick Charge 5 technologies. It is designed for USB Type-C®power source applications such as power adapters, wall chargers, car chargers, power strips, power banks, and etc. The WT6673F minimizes external components by integrating USB PD baseband PHY, USB Type-C detection, shunt regulator, voltage and current monitors, NMOS and PMOS load switch driver and an 8-bit MCU to allow small form factor and low BOM cost. Wide operation voltage range (3V to 24V) supports USB PD 3.0 Programmable Power Supply (PPS) specification. The product consists of a 32K x 8 flash memory for program code and user configuration data. The large memory capacity allows flexibility in multi-protocol supports and authentication functions when needed.
Features
- USB Type-C and USB PD
- USB PD 3.0 with Programmable Power Supply (PPS)
- USB PD 3.1 SPR
- Dual Role Port (DRP)
- programmable pull-up Rp or current source
- pull-down Rd
- 100mW Vconn power and switches
- USB BC1.2 DCP, QC3+/QC4+ HVDCP, FCP/SCP, AFC, VOOC and UFCS protocol
- Supports the control interfaces of opto-coupler, FB pin & I2C type ACDC PWM controllers
- programmable constant voltage
- programmable constant current
- high side current sense with programmable gain amplifier (PGA)
- programmable cable drop compensation
- Programmable fault protections
- Over Voltage Protection (OVP)
- Under Voltage Protection (UVP)
- Over Current Protection (OCP)
- Over Temperature Protection (OTP)
- High voltage (30V) CC1/CC2/DP/DM pins
- OVP for CC1/CC2/DP/DM
- DP/DM low impedance detection: 100Ω (min.) to 430Ω (max.)
- USB Std-A and USB-C port plug-in detection pins
- 10-bit ADC for voltage and current monitoring
- MCU
- 1T-8051
- 32K bytes flash memory with EEPROM emulation
- 1.5KB SRAM
- NMOS drivers for USB-C port load switch
- PMOS driver for USB Std-A port load switch
- Built-in discharge MOS transistor
- Internal 24MHz & 65kHz RC OSC
- Internal VDD & V18 regulators
- 1 master/slave I2C and 1 slave I2C
- Constant current output for LED control of power bank application
- High speed PWM for DCDC output voltage control
- Operating voltage range: 3V to 30V
- Operation current: 8mA (typ.)
- Standby current: 100μA, with CC/DP/DN pins and cable wake up
- Operating temperature range: -20°C to +105°C
- Package: 16-pin/24-pin QFN, 4*4mm2
- In-System-Programming (ISP)/Writer with or without authentication for vulnerability issue
- USB Type-C and USB PD
Applications