Maxim: battery charger detectors support broad range of USB chargers

Maxim Integrated Products announced the MAX14578E/MAX14578AE USB battery charger detectors that are compliant with the USB Battery Charging Specification. These devices detect USB standard downstream ports, USB charging downstream ports, or dedicated charger ports, in addition to proprietary charger adapters from Apple and Sony. When a charging port is detected, the MAX14578E/MAX14578AE will control an external lithium-ion battery charger controller to optimize charge time and charging efficiency.

By supporting a broad range of USB chargers, the MAX14578E/MAX14578AE offer consumers a “virtually universal” charging experience. Manufacturers also can now ship equipment without including power adapters, so they simplify their manufacturing supply chain while improving their green credentials. An on-chip LDO provides a 5.3V output which can be used to power a USB transceiver. In addition, ESD protection on the USB data pins is extended up to ±15kV (Human Body Model) and ±8kV IEC 61000-4-2 Contact Discharge. These features substantially reduce system complexity, component cost, and board space for today’s highly integrated consumer devices.

The MAX14578E/MAX14578AE are available in a 12-bump, 0.4mm pitch, 1.3 x 1.68mm WLP package for space-critical applications, and in a 16-pin TQFN package for ease of manufacturing. They operate over the -40 to +85°C extended temperature range. An evaluation kit is available: MAX14578EVKIT.


 
 

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