AH8815

13925292397_http://www.universe-micro.com/ AH8815 Protection IC for 5 Cells Li-ion Battery Pack FEATURES High Accuracy Voltage Detection Over-Voltage Protection o VOVP: 3.6V~4.35V (50mV/step) o Accuracy: ±25mV o Hysteresis voltage: 0V or 0.1V to 0.3V in 50mV/step Under-Voltage Protection o VUVP: 2.0V~3.0V (100mV/step) o Accuracy: ±80mV o Hysteresis voltage: 0V to 1V in 100mV/step 3-Levels Over-Current Detection Level-1 Over-Current Protection: o VOCP1: 25mV~350mV (25mV/step) o Accuracy: ±10mV Level-2 Over-Current Protection: o VOCP2=3*VOCP1 o Accuracy: ±30mV Short-Circuit Protection o VSCP=5*VOCP1 o Accuracy: ±50mV OC/SC release conditions: Charger-Connected OR Load-Opened Built-in Over-Temperature Protection Built-in Under-Temperature Protection Delay times are set by external capacitors Low-power Operating States: Normal State: < 30uA Standby State: < 3uA Power-down State: < 1uA Hardware Shut-down State: <0.1uA 16-Lead TSSOP Package GENERAL DESCRIPTION The AH8815 is a protection IC which includes highaccuracy voltage detector and current detector to provide Over-Voltage (OV), Under-Voltage (UV), Over-Current (OC), Short-Circuit (SC), OverTemperature (OT), Under-Temperature (UT) protection for 5-series Li-ion/polymer battery pack used in power-tools, notebook PC applications etc. The AH8815 provides a specific CTRL pin to control both charge and discharge FET. When CTRL is floating, the AH8815 will enter standby state to save power consumption. Under standby state, discha...