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WT6635P
The WT6635P is a highly integrated USB Power Delivery (PD) controller that supports USB PD 3.0 Programmable Power Supply specification. It is designed for USB Type-C power source applications such as power adapters, wall chargers, power strip, and etc. The WT6635P minimizes external components by integrating USB PD baseband PHY, Type-C detection and an 8-bit MCU to allow small form factor and low BOM cost. Low operation voltage (3V) supports PD 3.0 Programmable Power Supply (PPS) specification. One-Time-Programmable ROM is provided for program code and user configuration data. Without the features of Constant Voltage (CV), Constant Current (CC), voltage/current monitoring, and load switch control pin, WT6635P must pair with a controller with CV/CC functions, such as Power Integrations’ InnoSwitch3-Pro, equipped with dynamic Over Voltage/Current Protection (OVP/OCP) and load switch control pin, controlled by the WT6635P via I2C interface. The WT6635P is verified by GRL for Qualcomm® Quick Charge ™ 4+. Read the Qualcomm Quick Charge 4+ Technology certification and the cover page of GRL Compliance Test Report for WT6635P.
Features
- Supports USB Type-C Rev.1.3 and Power Delivery Rev. 3.0 with PPS
- Programmable Type-C pull-up Rp
- Integrated VCONN power and switch for reading E-marked cable
- Supports USB BC1.2 Dedicated Charging Port (DCP)
- Supports Qualcomm Quick Charge 4 and Quick Charge 4+
- Supports SuperCharge ProtocolTM
- Protection coverage
- Programmable Over Temperature Protection (OTP)
- CC Pin Over Voltage Protection
- D+ and D- Pins Over Voltage Protection
- 10-bit ADC for voltage and temperature measuring
- 8-bit MCU with One-Time-Programmable ROM
- Master I2C interface
- Internal RC oscillator
- General purpose I/Os
- On-chip temperature sensor
- Built-in current source for external NTC thermistor
- Watchdog timer
- Built-in 1.8V regulator
- Supports power saving mode
- Operating voltage range: 3.0V to 5.25V
- Operating temperature range: -20°C to +105°C
- Package: SOP10, SOP8, DFN8
- Supports USB BC1.2 Dedicated Charging Port (DCP)
- Supports USB Type-C Rev.1.3 and Power Delivery Rev. 3.0 with PPS
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