Overvoltage protectors use reverse bias blocking to protect mobile devices with multiple power sources

The MAX14606/MAX14607 feature reverse bias blocking capability so that two power sources can be safely interfaced simultaneously without damage to either one. In this design two integrated back-to-back FETs prevent the voltage applied at the intended output from feeding back into the input. Without this reverse bias blocking, users are forced to use multiple discrete, space-consuming external components to protect the end equipment.

The MAX14606/MAX14607 also use low, 54mΩ (typical) on-resistance (RON), integrated FETs that allow up to 3A of continuous current and protect low-voltage systems against voltage faults up to +36V. With all of these features in a small 1.3mm x 1.3mm WLP package, the MAX14606/MAX14607 make electronics more robust and save the space required by discrete protection solutions.

“The electronics industry must constantly adapt to the changing needs and lifestyles of consumers, so system designers need better building blocks,” said Sidney Chan, Business Manager for Maxim. “The integrated, back-to-back FETs and the low RON in the MAX14606/MAX14607 will let users conveniently charge a portable electronic through USB and/or a wireless charging dock, for example, without worrying about damaging their device.” 

Maxim Integrated Products

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