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The DIO7111 is designed for primary protection of Li-Ion/Polymer rechargeable cells. The product integrates all the protections required for safe operation of polymer rechargeable cells. The device is packaged in a tiny and thin package. Its small solution size leaves more space for fitting the battery cell into a given cavity for small size wearable devices. The DIO7111 integrates all the protections and the required low on-resistance disconnect switch on one die. The protection features include charging and discharging protection, detection and protection of a cell in over-charging, over-discharging, over-current, and battery under-voltage. The low standby current drains little current from cell while in storage. The DIO7111 operates in -40°C to 85°C temperature range, and is in a thin and low profile DFN2*2-6 package. This package is convenient for small cell packing design.