Weltrend | Products

Fast charge protocol controllers

WT7692

WT7692 is a fast charge interface controller chipset targeting travel adapters, car chargers, and power banks for smartphones and tablets. The controller chipset features Qualcomm^® Quick Charge ™ 2.0 technology, auto detection of USB DCP applying 1.2V on D+/D- or 2.7V on D+/D-, and USB Type-C^® specification. WT7692 integrates USB Type-C control logic for USB Type-C CC pin detection, blocking MOSFET control, vSafe0V discharge control, Qualcomm Quick Charge 2.0 control logic, discharge control, auto-detection circuit, and UVLO. A smart auto detect feature monitors USB D+/D- voltage and auto bias the correct voltage on the D+/D- to fast charge compliant devices. WT7692 supports High Voltage Dedicated Charging Port (HVDCP) Qualcomm Quick Charge 2.0 Class A technology 5/9/12V which is able to decrease the charge time by as much as 75% of current charging time. WT7692 is suitable for USB Type-C based power charging applications such as travel adapters, car chargers, as well as power banks

Features

- USB Type-C attach/detach detection for 3.0A@5V
- VBUS vSafe0V discharge
- External blocking MOSFET control
- USB Battery Charging Specification, Revision 1.2 (BC1.2), Dedicated Charging Port (DCP)
- Quick Charge 2.0 class A technology 5/9/12V
- Auto detection of USB DCP applying 1.2V on D+/D- or 2.7V on D+/D-
- Low standby current
- Package: SOP10

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