Automotive buck-boost controller shrinks USB power delivery

Automotive buck-boost controller shrinks USB power delivery

New Products |
By Christoph Hammerschmidt

Automotive multimedia hubs, including rear-seat entertainment modules and head-units, are all expanding in capability as more USB PD chargers are integrated into passenger vehicle cabins. However, there are size, cost and power constraints – and the MAX25430 is said to address all of these.

The device integrates a USB Type C Port Controller (TCPC) power regulator, VCONN cable power supply, buck-boost and protection thereby eliminating heat-sink requirements and metal box enclosures to further slash design size by 40 % compared to competitive multi-IC solutions. In addition, the chip runs 20°C cooler at full power compared to competitive automotive USB PD solutions. It needs only one microcontroller (MCU) regardless of the number of ports, while competitors require additional MCUs per port. 

For a complete solution, Maxim Integrated also offers the MAX25410automotive USB PD port protector and the MAX25431 automotive 40V H-bridge buck-boost controller, meeting a wide array of USB charger design needs.

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