Power Integrations/Cypress USB-PD fast chargers reference design
The design, DER-533, pairs the EZ-PD CCG2 USB Type-C port controller from Cypress with Power Integrations’ InnoSwitch-CP off-line CV/CC flyback switcher IC, enabling designers to produce a standards-compliant power adapter that is fast, compact and highly energy-efficient.
Cypress’ EZ-PD CCG2 USB Type-C port controller complies with the latest USB Type-C and USB-PD standards and provides a complete solution for passive Electronically Marked Cable Assembly (EMCA) cables, active EMCA cables, notebooks, power adapters, monitors, docks and cable adapters (dongles). EZ-PD CCG2 reduces BOM by integrating a Type-C transceiver, termination resistors and system-level ESD.
By providing a constant power output, InnoSwitch-CP allows battery-operated devices to draw up to the maximum power of the charger at any selected output voltage, optimising charge time and cost. InnoSwitch-CP ICs use Power Integrations’ FluxLink technology, eliminating the need for an optocoupler and enabling secondary-side control that delivers fast transient performance, good CV/CC regulation and very low no-load power consumption. FluxLink technology also enables easy implementation of safe synchronous rectification, resulting in an extremely efficient power supply.
DER-533 implements Profile 2 of the USB-PD standard and is capable of 5V/3A and 9V/2.2A of power delivery over a standard 3A USB Type-C cable. The design may be downloaded at www.power.com/der-533 and www.cypress.com/ccg2
Power Integrations; www.power.com
Cypress Semiconductor; www.cypress.com
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