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ST3S01PHD 데이터시트(PDF) 1 Page - STMicroelectronics |
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1 / 17 page 1/17 September 2003 s DEDICATED I.C. FOR 1 LI-ION CELL OR 3 NI-MH CELLS s 5 DIFFERENT OPERATING MODES s 150 mA PRECHARGE CURRENT s VERY LOW DROP CHARGE SWITCH (130mV @ 800mA) s VERY LOW DROP REVERSE SWITCH (130mV @ 800mA) s 5.7V OVER BATTERY OVER VOLTAGE PROTECTION s CHARGER DETECTION MODE s (VCHARGE-VBATT)DETECTION MODE DESCRIPTION This specification describes a dedicated I.C. which allows to charge 1 Lilon cell or 3 Nimh cells. The principle used to charge the batteries is the pulsed current, the monitoring is operated by the micro-controller of the application. This IC integrates one Power Switch and achieves the charge batteries in two different modes charge or precharge. One of this operating mode (charge or precharge) can be selected in a static or pulsed way by one I/ O from a micro-controller. The IC can supply power to accessories controlled by this I.C. in Reverse mode. The I.C. is available in the smaller and surface mounted SO-8 (exposed pad version) package. ST3S01PHD BATTERY CHARGE I.C. SCHEMATIC DIAGRAM SO-8 exposed pad |
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