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EC9526L16FXR Datasheet(PDF) 5 Page - E-CMOS Corporation |
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EC9526L16FXR Datasheet(HTML) 5 Page - E-CMOS Corporation |
5 / 7 page One-cell Li-ion/Li-polymer battery protection IC EC9526 E-CMOS Corp. (www.ecmos.com.tw) 4C12N-Rev.P001 Page 5 of 7 ELECTRICAL CHARACTERISTICS Unless otherwise specified, Topr=+25℃ Parameter Symbol Conditions Min. Typ. Max. unit INPUT/OUTPUT VOLTAGE Operating input voltage VDD1 VDD-VSS 1.5 - 5.5 V Maximum forbidden voltage for 0V charging※ Vst "Prohibition" function 0.6 0.9 1.2 V Minimum operating voltage for 0V charging※ Vst "Permission" function - - 1.2 V COUT pin Nch ON voltage Vol1 Iol=30uA, VDD=4.5V - 0.4 0.5 V COUT pin Pch ON voltage Voh1 Ioh=-30uA, 3.4 3.7 - V DOUT pin Nch ON voltage Vol2 Iol=30uA, VDD=2.0V - 0.2 0.5 V DOUT pin Pch ON voltage Voh2 Ioh=-30uA, 3.4 3.7 - V CURRENT CONSUMPTION Current consumption Idd VDD=3.9V, V-=0V - 3.0 5.5 uA Current consumption at stand-by Is - - 0.1 uA DETECTION/RELEASE VOLTAGE Overcharge detection voltage Vdet1 Ta=+25℃ Typ-0.020 Vdet1 Typ+0.020 V Overcharge detection voltage Vdet1 Ta=-5~+60℃ Typ-0.025 Vdet1 Typ+0.025 V Overcharge release voltage※2 Vrel1 Vdet1 ≠Vrel1 Typ-0.030 Vrel1 Typ+0.030 V Overdischarge detection voltage Vdet2 Typ-0.035 Vdet2 Typ+0.035 V Overdischarge release voltage※3 Vrel2 Vdet2 ≠Vrel2 Typ-0.10 Vrel2 Typ+0.100 V Discharging overcurrent detection voltage Vdet3 Typ-0.010 Vdet3 Typ+0.010 V Charging overcurrent detection voltage Vdet4 Typ-0.020 Vdet4 Typ+0.020 V Short detection voltage Vshort 0.4 0.5 0.6 V DETECTION DELAY TIME Overcharge detection delay time tVdet1 Typ*0.8 tVdet1 Typ*1.2 s Overdischarge detection delay time tVdet2 Typ*0.8 tVdet2 Typ*1.2 ms Discharging overcurrent detection delay time tVdet3 Typ*0.8 tVdet3 Typ*1.2 ms Charging overcurrent detection delay time tVdet4 Typ*0.8 tVdet4 Typ*1.2 ms Short detection delay time tshort Typ*0.8 tshort Typ*1.2 us ※1 0V battery charge function is selected from "Prohibition" or "Permission". ※2 There is occasion as follows of two kinds of release condition from the overcharge status. a) In the case that the V- pin voltage is lower than the discharging overcurrent detection voltage (Vdet4), EC9526 releases the overcharge status when the battery voltage falls below the overcharge release voltage(Vrel1). b) In the case that the V- pin voltage is higher than or equal to the discharging overcurrent detection voltage (Vdet4), EC9526 releases the overcharge status when the battery voltage falls below the overcharge detection voltage (Vdet1).This is a hysteresis cancellation function. ※3 The release condition from the overdischarge status is that the charger is connected and the V- pin voltage is lower than the discharging overcurrent detection voltage (Vdet3), and the battery voltage rise more then the overdischarge release voltage(Vrel2). |
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