The MAX1908 evaluation kit (EV kit) is an accurate and efficient multichemistry battery charger. It uses analog inputs to control charge voltage and current. The EV kit can charge 2 to 4 series lithium-ion (Li+) cells with a current up to 3A. High efficiency is achieved by a buck topology with synchronous rectification. The EV kit provides outputs that can be used to monitor the input current, the battery-charging current, and the presence of an AC adapter.
Input Current Limiting
±0.5% Battery-Voltage Set-Point Accuracy Using Internal Reference
Analog Inputs Control Charge Current and Battery-Voltage Set Point
Monitor Outputs for
Current Drawn from AC Input Source
AC Adapter Presence
Up to 17.6V Battery-Voltage Set Point
+8V to +25V Input Voltage
3A Battery Charge Current
Charges Any Battery Chemistry: Li+, NiCd, NiMH, Lead Acid, etc.
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