S-8243AACFT-TB-G Datasheet

PMIC - Battery Management


The S-8243AACFT-TB-G Series is a protection IC for lithium-ion rechargeable battery. The S-8243A Series protects 3-series, the S-8243B Series protects 4-series cell pack from the overcharge, overdischarge, overcurrent voltages. This IC has a high-accuracy battery protection circuit and a battery monitor amplifier, and also a voltage regulator which operates the microcomputer or gas gauge IC. Combining this IC and a microcomputer or a gas gauge IC allows to display the amount of charge remained in a battery. S-8243AACFT-TB-G Features • High-accuracy voltage detection for each cell • Three-level overcurrent protection including protection for short-circuiting Overcurrent detection voltage 1 0.05 V to 0.3 V (50 mV step) Accuracy ±25 mV Overcurrent detection voltage 2 0.5 V Accuracy ±100 mV Overcurrent detection voltage 3 VDD / 2 Accuracy ±15 % • Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set by external capacitors. (Delay times for overcurrent detection 2 and 3 are fixed internally.) • Charge/discharge operation can be controlled through the control pins. • High-accuracy battery monitor amp GAMP = VBATTERY × 0.2 ±1.0% • Voltage regulator• High input-voltage device Absolute maximum rating: 26 V • Wide operating voltage range 6 V to 18 V • Wide operating temperature range: −40°C to +85°C • Low current consumption Operation mode 120 μA max. Power down mode 0.1 μA max. • Lead-free, Sn 100%, halogen-free*1 S-8243AACFT-TB-G Applications • Lithium-ion rechargeable battery packs • Lithium polymer rechargeable battery packs


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