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EC9522T Datasheet

Part Number EC9522T
Manufacturers E-CMOS
Logo E-CMOS
Description LI-ION PROTECTION IC
Datasheet EC9522T DatasheetEC9522T Datasheet (PDF)

www.DataSheet4U.com LI-ION PROTECTION IC EC9522T Ver2.4 2004 / 05 Features Low supply current High accuracy detector Threshold Supply current Standby current (after detecting over-discharge) Over-charge detector(Topt=25ºC) Over-charge detector (Topt=0 to 50ºC) Over-discharge detector Variety of detector threshold Built in protection circuit Output delay of over charge Output delay of over-discharg Small package Note1: The result was measured from EC9522T0001 Over-charge detector threshold Ove.

  EC9522T   EC9522T






LI-ION PROTECTION IC

www.DataSheet4U.com LI-ION PROTECTION IC EC9522T Ver2.4 2004 / 05 Features Low supply current High accuracy detector Threshold Supply current Standby current (after detecting over-discharge) Over-charge detector(Topt=25ºC) Over-charge detector (Topt=0 to 50ºC) Over-discharge detector Variety of detector threshold Built in protection circuit Output delay of over charge Output delay of over-discharg Small package Note1: The result was measured from EC9522T0001 Over-charge detector threshold Over-discharge detector threshold Excess current protection Accuracy Time delay at VDD=4.3V VDD=2.4V with built-in capacitor TYP. 3.5uA TYP. 0.25uA +/- 50mV +/- 60mV +/- 3.0% 4.0V to 4.4V step of 0.005V 2.0V to 3.0V step of 0.005V 0.04V to 0.32V step of 0.04V ±20% 1.2S note1 10mS SOT23-6/6-pin Part Number Examples Part No. EC9522T003 …*note2 Over charge detection voltage 4.30V …. Over charge release voltage 4.10V …. marking E21-… Pack type SOT-23-6 …. Note2: New model version and specific characteristics may be order by customer. General Description The EC9522T is protection IC for over-charge/discharge of rechargeable one-cell Lithium-ion(Li+) excess load current, further include a short circuit protector for preventing large external short circuit current. Each of these IC is composed of three voltage detectors, a reference unit, a delay circuit, a short circuit protector, and a logic circuit. When charging voltage crosses the detector threshold from a low value to value higher than .


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