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USB

WT6618F

The WT6618F is a highly integrated USB Power Delivery (PD) controller that supports USB PD 3.0 Programmable Power Supply specification.With the Display Port (DP) Alt mode over USB-C® capability, it can perform the dynamic handshaking in between source and sink devices, such as DP configure, status update, source/sink connection detection, DP mode Discovery/Enter/Exit, and support vendor define message (VDM) function/hot-plug detection (HPD) for intelligent power delivery as well. It is designed for USB Type-C power applications such as Projector, portable LCD monitor, PC Monitor, TV, and Tablet.The WT6618F minimizes external components by integrating USB PD baseband PHYs, USB Type-C detection, shunt regulator, voltage and current monitors, NMOS load switch drivers and an 8-bit MCU to allow flexibility, small form factor and low BOM cost. Wide operation voltage range (3V to 24V) supports USB PD 3.0 Programmable Power Supply (PPS) specification. A Multi-Programmable (MTP) ROM is built-in for storing program code and user configuration data.

Features

    • USB Type-C and USB PD

    - Supports USB PD 3.0 including Programmable Power Supply (PPS)

    - Programmable USB Type-C pull-up Rp

    - Integrated VCONN power and switch for reading E-marked cable

    • Built-in shunt regulator

    - Programmable constant voltage control

    - Programmable constant current control

    - Integrated low side current sense amplifier

    - Cable drop compensation

    • Programmable fault protections

    - Over Voltage Protection (OVP)

    - Under Voltage Protection (UVP)

    - Over Current Protection (OCP)

    - Over Temperature Protection (OTP)

    • DP Alt-mode

    - Compliant to VESA DisplayPort Alt Mode on USB Type-C Standard

    - DP configure, status update, source/sink connection detection

    - DP mode Discovery/Enter/Exit

    - Support VDM (Vendor Define Message) function

    - Hot-plug Detection (HPD)

    • CC1/CC2 Pins Over Voltage Protection
    • 10-bit ADC for voltage and current monitoring
    • MCU

    - Turbo 8051 compatible MCU

    - 16K bytes Multi-Time-Programmable (MTP) ROM

    - 768 bytes SRAM

    • Driver for NMOS load switch
    • Built-in discharge MOS transistor
    • Internal RC oscillator
    • Internal VDD regulator
    • General purpose I/Os
    • Supports power saving mode
    • Operating voltage range: 3V to 24V (30V tolerant)
    • Operating temperature range: -20°C to +105°C
    • Package: 16-Pin QFN


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