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UCC3952-4 Datasheet(PDF) 1 Page - Texas Instruments |
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UCC3952-4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 5 page UCC3952-1/-2/-3/-4 DESCRIPTION The UCC3952 is a monolithic BiCMOS lithium-ion battery protection circuit that is designed to enhance the useful operating life of one cell recharge- able battery pack. Cell protection features consist of internally trimmed charge and discharge voltage limits, discharge current limit with a delayed shutdown and an ultra low current sleep mode state when the cell is dis- charged. Additional features include an on chip MOSFET for reduced exter- nal component count and a charge pump for reduced power losses while charging or discharging a low cell voltage battery pack. This protection cir- cuit requires one external capacitor and is able to operate and safely shut- down in the presence of a short circuit condition. Enhanced Single Cell Lithium-Ion Battery Protection IC FEATURES • Protects sensitive Lithium Ion cells from over-charging and over-discharging • Dedicated for one cell applications • Integrated low impedance MOSFET switch and sense resistor • Precision trimmed overcharge and overdischarge voltage limits • Extremely low power drain • 3A current capacity • Overcurrent and Short Circuit Protection • Reverse Charger Protection • Thermal Protection SLUS400A - FEBRUARY 2000 1 3 2 4 5 7 6 8 16 14 15 13 12 10 11 9 0.1 µF 3k TCLK N/C BNEG BNEG BNEG BNEG BNEG BNEG PACK– PACK– PACK– PACK– PACK– N/C CBPS PACK+ LOAD CHARGER + APPLICATION DIAGRAM UDG-98205 |
Similar Part No. - UCC3952-4 |
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Similar Description - UCC3952-4 |
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