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Analog Devices MAX17702 Evaluation Kit is configured to evaluate the MAX17702 Step-Down Lead Acid Battery Charger Controller operation. The MAX17702 Controller is a high-efficiency, high-voltage, synchronous, step-down, Himalaya lead-acid (Pb-acid) battery charger controller designed to operate over an input-voltage range of 4.5V to 60V.
The Analog Devices MAX17702 Evaluation Kit charges the Pb-acid battery in constant current (CC), absorption constant-voltage (CV) states, and enters a floating CV state after detecting the taper current threshold or absorption CV timer timeout in the absorption CV state. The Evaluation Kit is designed to charge the Pb-acid battery with a 10A CC mode charging current (ICHGMAX) and 13.8V absorption CV voltage (VOUT) from a 19V to 60V input supply.
The Evaluation Kit is optimized for a 24V nominal input voltage application. The switching frequency of the Kit is set at 350kHz (fSW) for optimum efficiency and component size. The MAX17702 Evaluation Kit features an absorption CV timer (TMR) to set the maximum charging time in the absorption CV state. The MAX17702 Kit features battery temperature sensing and charges only when the temperature is in the allowable charging temperature range.
