lv51140t Sanyo Semiconductor Corporation, lv51140t Datasheet
lv51140t
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lv51140t Summary of contents
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... Ordering number : ENA1024 LV51140T Overview The LV51140T is protection IC for rechargeable Li-ion battery by high withstand voltage CMOS process. The LV51140T protect single-cell Li-ion battery from over-charge, over-discharge, charge over-current and discharge over-current. Features • High accuracy detection voltage • Delay time (internal adjustment) • ...
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... Release delay time Release delay time 1 Over-discharge release Charge over-current release (*1) Discharge over-current release Load short-circuiting release Release delay time 2 Over-charge release Note : *1 Upon connecting to charger upon over-discharge, the delay time after recovery from over-discharge. LV51140T Symbol Conditions VC VHc Vdc VRdc VIc VIdc Vshort Based ...
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... FET gate connection for discharge control (CMOS output Voltage monitoring for charger negative FET gate connection for charge control (CMOS output N Positive power input Negative power input LV51140T 0.4 0.3 0.2 0.1 0 – 40 Top view Description Pd max -- Ta Specified board : 33×5×1.0mm 3 glass epoxy 0.35 (Both sides substrate) 0.14 ...
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... V2 is increased rapidly within 10µs. • 0V battery charge starting charger voltage --- [Circuit 3] Set and decrease V2 gradually. 0V battery charge starting charger voltage Vcha is V2 when VCO goes "High" (V1-0.1V or higher). LV51140T Oscillator Level Counter Shifter ...
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... VDO to go "Low" just after the change of V2. Next, decrease V2 from 3. rapidly within 10µs. Release delay time 1 trel1 in case of load short-circuiting is the time needed for VDO to go "High" just after the change of V2. LV51140T No.A1024-5/13 ...
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... VDO V • Circuit 0.1µF LV51140 VCO • Circuit 0.1µF LV51140 IDO A V4 LV51140T • Circuit 2 0.1µ V1=3. VCO V • Circuit 10MΩ V • Circuit ...
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... Note 1 : The connection diagram and each value of external components shown above are just recommendation. Including a battery and FETs, determine the circuit after sufficient evaluation about your actual application. Note 2 : The IC is susceptible to static electricity and some pins are easily damaged by it. Handle the IC carefully. LV51140T LV51140T Recommended value 330Ω ...
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... In case (2), if the V M terminal voltage is higher than the discharge over-current detection voltage (VIdc) and equal to or higher than VC, battery is discharged until V DD becomes less than VC, and then this IC returns to the normal condition when this state continues more than the delay time 2 (trel2). LV51140T 8ms (not changed) 7ms (typical) 56ms (typical) No ...
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... 1.8V) • 0V battery charge function If the voltage of charger (the voltage between V DD and larger than the 0V battery charge starting charger voltage (Vcha), 0V battery charge becomes possible when CO terminal outputs V DD terminal potential and turns on the charge control FET. LV51140T No.A1024-9/13 ...
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... VC : Over-charge detection voltage Vdc : Over-discharge detection voltage VIc : Charge over-current detection voltage VIdc : Discharge over-current detection voltage Vshort : Load short-circuiting detection voltage LV51140T Load connected Charger connected tshort trel1 trel1 tic : Charge over-current detection delay time tidc : Discharge over-current detection delay time ...
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... Over-charge detection voltage Vdc : Over-discharge detection voltage VHc : Over-charge hysteresis voltage Vidc : Discharge over-current detection voltage LV51140T Load connected Charger connected tc trel2 trel2 tc : Over-charge detection delay time trel2 : Release delay time 2 Load connected Charger connected ...
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... VC : Over-charge detection voltage Vdc : Over-discharge detection voltage VRdc : Return from over-discharge voltage Vic : Charge over-current detection voltage Vidc : Discharge over-current detection voltage LV51140T Charger connected Charger connected Load connected tdc trel1 trel1 tdc : Over-discharge detection delay time trel1 : Release delay time 1 ...
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... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of May, 2008. Specifications and information herein are subject to change without notice. LV51140T PS No.A1024-13/13 ...