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MAX17703EVKITA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX17703EVKITA Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 15 page  Evaluates: MAX17703 in 4.2V Li-Ion Battery Charger Application MAX17703EVKITA# Evaluation Kit General Description The MAX17703EVKITA# (EV kit) provides a proven design to evaluate the MAX17703 high-efficiency, high- voltage, Himalaya synchronous step-down DC-DC Li-ion charger controller. The EV kit charges the Li-ion bat- tery in constant current (CC) and constant voltage (CV) states and terminates in a topup-charge state after the taper timer is elapsed. The EV kit is designed to charge the Li-ion battery with 10A CC mode charging current (ICHGMAX) and 4.2V CV mode voltage (VOUT) from an 8.5V to 60V input supply. The EV kit is optimized for a 24V nominal input application. The switching frequency of the EV kit is set at 350kHz (fSW) for optimum efficiency and component size. The EV kit features a safety timer (TMR) to set the maximum allowed CC mode and CV mode charging time. The EV kit also features battery tem- perature sensing and charges only when the temperature is in the allowable charging temperature range. For more details about the IC benefits and features, refer to the MAX17703 IC data sheet. Features ● Operates from an 8.5V to 60V Input Supply ● 10A CC Mode Charging Current ● 4.2V CV Mode Charging Voltage ● 350kHz Switching Frequency ● Resistor-Programmable UVLO Threshold (EN/UVLO) ● Input-Short Protection ● 3V Programmed Deeply Discharged Battery Detection ● Capacitor Programmed 10.4 hours Safety Timer ● Charge Termination on Full Battery Detection with Taper Current Threshold and Taper-Timer ● Cycle-by-Cycle Overcurrent Limit ● External Clock Synchronization (RT/SYNC) ● Charger Status Flags (FLG1, FLG2) ● Charging Current Monitoring (ISMON) ● Battery Temperature Sensing and Charge when Within Operating Temperature Range +5°C to +45°C ● IC Overtemperature Protection ● Complies with CISPR 32 (EN55032) Class B Conducted and Radiated Emissions ● Proven PCB Layout ● Fully Assembled and Tested 319-100739; Rev 0; 4/21 Ordering Information appears at end of data sheet. Click here to ask about the production status of specific part numbers. |
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