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AIC1803ACS Datasheet(PDF) 1 Page - Analog Intergrations Corporation |
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AIC1803ACS Datasheet(HTML) 1 Page - Analog Intergrations Corporation |
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1 / 12 page  AIC1803 Three-Cell Lithium-Ion Battery Protection IC DS-1803-01 July 14, 00 www.analog.com.tw 1 n FEATURES l Ultra-Low Quiescent Current at 13 µA (V CELL=3.5V). l Ultra-Low Power-Down Current at 1.3 µA (V CELL=2.3V) l Wide Supply Voltage Range: 2V to 18V. l Precision Overcharge Protection Voltage: 4.35V ± 30mV for the AIC1803A 4.30V ± 30mV for the AIC1803B 4.25V ± 30mV for the AIC1803C 4.20V ± 30mV for the AIC1803D l Externally Set Overcharge, Overdischarge and Overcurrent Delay Time. l Built-in Cell-balancing Bleeding Network under Overcharge Condition. l Three Detection Levels for Overcurrent Protection. n APPLICATIONS l Protection IC for Three-Cell Lithium-Ion Battery Pack. n DESCRIPTION The AIC1803 is designed to protect the lithium- ion battery from damage or degrading the lifetime due to overcharging, overdischarging and overcurrent for three-cell lithium-ion battery powered systems such as notebook PCs. It can also provide the cell-balancing “bleeding” function to automatically discharge the overcharged cell until the overcharge condition is released. Safe and full utilization charging is ensured by the accurate ±30mV overcharge detection. Four different specification values for overcharge protection voltage are provided for various protection requirements. The very low standby current drains little current from the cell while in storage. n TYPICAL APPLICATION CIRCUIT 1K 1M BATT+ FUSE R8 R4 R1 2K 1K 0.1µF C4 VC1 AIC1803 UD1 VCC OC CS OD 3 2 1 16 15 14 1M BAT1 0.1µF NC 4 VC2 VC3 UD3 GND UD2 11 10 9 13 12 NC TI 6 TC 7 8 TD 5 R6 R5 BATT- R7 33K R3 BAT3 1M BAT2 C1 Q1 M2 M1 2K R2 0.1µF C2 0.1 µF C3 CTD CTI CTC 82nF 2.2nF 82nF Protection Circuit for Three-Cell Lithium-Ion Battery Pack |
Similar Part No. - AIC1803ACS |
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Similar Description - AIC1803ACS |
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