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News
USB PD Controller from Diodes Incorporated Supports Standard and Proprietary Protocols for Power Delivery in a Small Outline Package
2019-05-14 | ReturnThe programmable power supply (PPS) feature, introduced with the latest version of the USB PD specification, is also supported by the AP43770. The PPS feature allows the output voltage to vary based on the load requirements; this is communicated using a relevant augmented power data object (APDO). Support for PPS with APDO is implemented in the AP43770 through a constant current and constant voltage (CC/CV) output driver that is adjustable in 50mA steps up to 6A, and 20mV steps between 3V and 20V, respectively.
As USB PD has the potential to deliver high levels of power, the USB eMarker feature is increasingly applied to active cables. The AP43770 includes the necessary support for eMarker technology, in order to detect and identify cables before power is delivered. Cable compensation is also supported.
When coupled with a suitable PWM controller, such as Diodes’ AP3108L, the AP43770 provides a total PD solution. It also features up to 8kb of OTP (for main firmware code) or MTP (for user configurable parameters). MTP memory can be used to set up power specification and protocol options to the manufacturer’s requirements.
The AP43770 is available in the space-saving TSSOP-16 package. Further information is available at www.diodes.com.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. Quick Charge is a trademark of Qualcomm Incorporated.
Qualcomm Quick Charge is a product of Qualcomm Technologies, Inc.
USB Type-C is a trademark of USB Implementers Forum.
source:http://www.diodes.com