The smart terminal backup power system has a wide input voltage range which supports from 4.5V to 40V with 1A to 20A output. A supercapacitor can be used to replace the traditional battery (with defects such as electrolyte leakage) as a backup power supply.
In this solution, the ISL81401 buck-boost controller can work in buck, boost or buck-boost mode with bidirectional CC/CV mode support, and can replace two-part solutions available from competitors. The charge time can be programed as needed, and discharge time can be optimized to fully discharge the energy. ISL81401 can discharge the capacitor energy as much as the present electronic components, which maximizes the use of capacitive energy and helps save cost.
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Super capacitor based terminal backup power supply system has a wide input voltage range which can support from 4.5V-40V with 1A-20A output. It uses a super capacitor as a backup power supply.
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