SA1412

SA1412 TWO CELL LI+ BATTERY PROTECTION CIRCUIT DESCRIPTIONS SA1412 protects for Lithium-Ion Batteries. When the Lithium-Ion Batteries is in state of overcharge, overdischarge and overcurrent. The IC turns off the external mosfet to protect the batteries. FEATURES * Overcharge consumption current(VCELL=4.5V ROC=270K ): 150µA * Normal consumption current(VCELL=3.5V): 18µA * Overcharge consumption current(VCELL=1.9V): 0.5µA Overcharge consumption current(VCELL=1.0V): 0.1µA TSSOP-8-225-0.65 APPLICATIONS * Digital camer * Digital vidicon * Special illumination * Portable DVD * PDA * Interphone * 7.2V large capacity battery. ORDERING INFORMATION Device SA1412 Package TSSOP-8-225-0.65 PRODUCTS CATALOG Overcharge Part No. www.DataSheet4U.com Overcharge Detection Hysteresis Voltage 220±50mV 220±50mV 220±50mV 200±50mV Overdischarge Detection Voltage 2.3±0.1V 2.3±0.1V 2.3±0.1V 2.5±0.1V Overdischarge Release Voltage 3.5±0.2V 3.5±0.2V 3.5±0.2V 3.0±0.1V Overcurrent Detection Voltage 150±15mV 150±15mV 150±15mV 75±15mV Detection Voltage 4.350±0.025V 4.300±0.025V 4.250±0.025V 4.300±0.025V SA1412A SA1412B SA1412C SA1412D HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.2 2007.09.28 Page 1 of 5 SA1412 BLOCK DIAGRAM ABSOLUTE MAXIMUM RATING Characteristics Supply Voltage CS Pin Voltage OC Pin Voltage Allowable Dissipation Storage Temperature Range Operating Temperature Range Symbol VCC max VCSmax VOCmax Pd Tstg Tamb Rating -0.3~18 -0.6~VCC -0.6~VCC 300 -40~125 ...