Intelligent power switch protects a battery line. For example, each IC of the R5550K series has two steps abnormal current detectors and an abnormal voltage detector.
In the R5550KxxxA, the first step abnormal current detector for lower current, detecting counter delay is set long, but second step abnormal current detector for higher current, the counter delay is set short.
Therefore, recognition of the momentum permissible current is possible. Not only that, if the preset detector delay time has passed, the switch turns off. But after a certain time, automatically resumed and checking the current again and the same operation repeats until the abnormal cause is removed.
|Operating Voltage Range||UVLO Detect
|Current Limit Threshold||Output Current Limit||Internal
|R5550||180mΩ||2.6µA||2.3V to 5.25V||1.9V||1A||300mA||460mA||624mA||1130mA||1470mA||1790mA||Pch|
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