Ordering number : ENA1227A LV51130T CMOS IC 2-Cell Lithium-Ion Secondary LV51130T Electrical Characteristics at Ta = 25C, unless especially specified. Ratings Parameter Symbol Conditions Unit min typ max Operation input voltage Vcell Voltage between V and V 1.5 10V DD SS - 0V cell charging minimum operation Vmin Voltage between V -V under V -V =0 1.5 V DD DD SS voltage Over-charge detection voltage Vd1 4.325 4.350 4.375V Ta=0 to 45C *1 4.315 4.350 4.385 V - Over-charge release voltage Vr1 V Vd3 4.100 4.150 4.200 V - V > Vd3 4.250 4.360 V Over-charge detection delay time td1 V -Vc=3.5V4.5V, Vc-V=3.5V 0.5 1.0 1.5s DD SS Over-charge release delay time tr1 V -Vc=4.5V3.5V, Vc-V=3.5V 20.0 40.0 60.0ms DD SS Over-discharge detection voltage Vd2 2.20 2.30 2.40V Over-discharge release hysteresis Vh2 10.0 20.0 40.0 mV voltage Over-discharge detection delay time td2 V -Vc=3.5V2.2V, Vc-V=3.5V 50 100 150ms DD SS Over-discharge release delay time tr2 V -Vc=2.2V3.5V, Vc-V=3.5V 0.5 1.0 1.5ms DD SS Over-current detection voltage Vd3 V -Vc=3.5V, Vc-V=3.5V 0.28 0.30 0.32V DD SS Over-current release hysteresis voltage Vh3 V -Vc=3.5V, Vc-V=3.5V 5.0 10.0 20.0mV DD SS Over-current detection delay time td3 V -Vc=3.5V, Vc-V=3.5V 10.0 20.0 30.0ms DD SS Over-current release delay time tr3 V -Vc=3.5V, Vc-V=3.5V 0.5 1.0 1.5ms DD SS Short circuit detection voltage Vd4 V -Vc=3.5V, Vc-V=3.5V 1.0 1.3 1.6V DD SS Short circuit detection delay time td4 V -Vc=3.5V, Vc-V=3.5V 0.125 0.250 0.500ms DD SS Excessive charger detection voltage Vd5 V -Vc=3.5V, Vc-V =3.5V -0.60 -0.45 -0.30 V DD SS - Voltage between V and V SS Excessive charge detection release Vh5 V -Vc=3.5V, Vc-V=3.5V 25.0 50.0 100.0mV DD SS hysteresis voltage Stand-by release voltage Vstb V -Vc=2.0V, Vc-V =2.0V V 0.4 V 0.5 V 0.6 V DD SS DD DD DD - Voltage between V and V SS Excessive charger detection delay time td5 V -Vc=3.5V, Vc-V =3.5V *2 0.5 1.5 3.0 ms DD SS Excessive charger release delay time tr5 V -Vc=3.5V, Vc-V =3.5V 0.5 1.5 3.0 ms DD SS Internal resistance (VM-V) R After over-discharge is detected. 100 200 400 k DD DD Internal resistance (VM-V) R After over-current or short-circuit is detected. 15 30 60 k SS SS Cout Nch ON voltage VL1 I L=50A, V -Vc=4.4V, Vc-V=4.4V 0.5V O O DD SS Cout Pch ON voltage VH1 I L=50A, V -Vc=3.9V, Vc-V=3.9V V-0.5 V O O DD SS DD Dout Nch ON voltage VL2 I L=50A, V -Vc=2.2V, Vc-V=2.2V 0.5V O O DD SS Dout Pch ON voltage VH2 I L=50A, V -Vc=3.9V, Vc-V=3.9V V-0.5 V O O DD SS DD Vc input current Ivc V -Vc=3.5V, Vc-V=3.5V 0.0 1.0 A DD SS Current consumption I V -Vc=3.5V, Vc-V=3.5V 6.0 13.0 A DD DD SS Stand-by current Istb V -Vc=2.2V, Vc-V=3.5V 0.2 A DD SS T-terminal input ON voltage Vtest V -Vc=3.5V, Vc-V=3.5V V 0.4 V 0.5 V 0.6 V DD SS DD DD DD *1 The Ratings of the table above is a design targets and are not measured. *2 Under over-discharge state, delay operation starts after release of over-discharge. No.A1227-2/8