Automotive dc-dc converter with USB host emulator

  • 25-Nov-2013 04:48 EST
MAX16984_application specific image.jpg

The MAX16984 automotive dc-dc converter with USB charge emulator from Maxim Integrated Products, Inc. offers the capability to recognize and charge any portable device directly from a vehicle battery over USB with a single integrated circuit. Suitable for automotive radios and navigation modules, embedded telematics and connectivity modules, and USB-dedicated charging ports, the single-chip solution integrates all the functions of the traditional three-chip solution. The MAX16984 combines a low electromagnetic interference 5-V automotive-grade dc-dc converter capable of driving up to 2.5 A with dynamic voltage adjustment, which is essential for charging contemporary portable devices over long automotive embedded cables; a USB battery charging specification v1.2-compliant charge emulator, which conducts the necessary handshake between the portable device and upstream host instructing the device to increase its charge current; and integrated electrostatic discharge diodes and USB over-voltage protection switches, which provide robust fault protection. 

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