RDK-848 Power Integrations

Reference Design Report for a 42 W Dual Port Isolated Flyback Power Supply with Title 30 W USB PD 3.0 and 12 W USB-A Port TM TM Using InnoSwitch 3-Pro PowiGaN INN3379C-H302 Input: 90 VAC 265 VAC USB Type-C Output: 5 V / 3 A, 9 V / 3 A, 12 V / Specification 2.5 A, 15 V / 2 A, 20 V / 1.5 A, USB Type-A Output: 5 V / 2.4 A Application Wall Outlet, Power Strip and Surge Protectors Author Applications Engineering Department Document RDR-848 Number Date July 28, 2020 Revision 1.2 Summary and Features Dual USB charging ports USB Type-C receptacle with USB PD 3.0 USB Type-A receptacle for standard USB charging PowiGaN based InnoSwitch3-Pro Highly integrated switcher IC with integrated high-voltage MOSFET, synchronous rectification and TM FluxLink feedback PowiGaN enables compact, heat sink-less design 2 Digitally controllable CV/CC via I C interface enables the use of cost effective 8 pin PD controller IC Low component count (73 pcs) Up to 50 C ambient temperature operation Meets DOE6 efficiency requirement <75 mW System no-load input power Integrated protection and reliability features Output short-circuit protection for both USB ports OVP, OCP and OTP protection PATENT INFORMATION Power Integrations 5245 Hellyer Avenue, San Jose, CA 95138 USA. Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.power.com DER-848 42 W Isolated Flyback using InnoSwitch3-Pro 28-Jul-20 The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.power.com. Power Integrations grants its customers a license under certain patent rights as set forth at