Automotive Input Dual Port USB Type C Charger Reference Design
PMP11114 is a dual port USB Type C Charger. This design takes an automotive input voltage (7V to 18V nominal: load dump to 40V). The output goes to two USB Type ports: each of these ports supplies 5V. The desgin supports 3A on one port and 1.5A on the other port. The DC/DC portion of the design is rated for 5A total current. The design is fully compliant with USB type C and backwards compliant with BC1.2 and DCP configurations.
USB Type C compliantEfficiency is greater than 90% after USB switchesMax component temp is 55C with full loadCompact board size (50mm x 55mm)Power path sharing to limit port current