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AAT2550 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AAT2550 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
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5 / 34 page  AAT2550178 Total Power Solution for Portable Applications SystemPowerTM PRODUCT DATASHEET 2550.2008.02.1.3 5 www .analogictech.com AAT2550178 Total Power Solution for Portable Applications SystemPowerTM PRODUCT DATASHEET 2550.2008.02.1.3 5 www .analogictech.com Electrical Characteristics1 (continued) VADP = 5V; TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units Battery Charger VADP Adapter Voltage Range 4.0 5.5 V VUVLO Under-Voltage Lockout Rising Edge 3.0 V UVLO Hysteresis 150 mV IQ Quiescent Current ICHARGE = 100mA 0.75 3.0 mA ISLEEP Sleep Mode Current VBAT = 4.25V 0.3 1.0 μA ILEAKAGE Reverse Leakage Current VBAT = 4V, ADP Pin Open 1.0 μA ISHDN Shutdown Current VEN = GND 1.0 μA VBAT_EOC2 End of Charge Voltage Accuracy 4.158 4.2 4.242 V ΔVCH/VCH Output Charge Voltage Tolerance 0.5 % VMIN Preconditioning Voltage Threshold 2.80 3.0 3.15 V VRCH Battery Recharge Voltage Threshold VBAT_EOC - 0.1 V ICH Charge Current 100 1000 mA ΔICH/ICH Charge Current Regulation Tolerance 10 % VADPSET ADPSET Pin Voltage Constant Current Mode 2.0 V KIA Current Set Factor: ICH/IADPSET 4000 RDS(ON) Charger Pass Device VIN = 5.5V 0.20 0.25 0.35 Ω TC Constant Current Mode Time-Out CT = 100nF, VADP = 5.5V 3.0 Hour TP Preconditioning Time-Out CT = 100nF, VADP = 5.5V 25 Minute TV Constant Voltage Mode Time-Out CT = 100nF, VADP = 5.5V 3.0 Hour VSTAT Output Low Voltage ISINK = 4mA 0.4 V ISTAT STAT Sink Current 8.0 mA VOVP Over-Voltage Protection 4.4 V ITK/ICH Preconditioning (Trickle Charge) Current 10 % ITERM/ICH Charge Termination Threshold Current 7.5 % ITS Current Source from TS Pin 70 80 90 μA TS1 TS Hot Temperature Fault Threshold 310 330 350 mV Hysteresis 15 TS2 TS Cold Temperature Fault Threshold 2.2 2.3 2.4 V Hysteresis 10 mV IDATA DATA Pin Sink Current DATA Pin is Active Low 3.0 mA VDATA(H) Input High Threshold 1.6 V VDATA(L) Input Low Threshold 0.4 V SQPULSE Status Request Pulse Width 200 ns TPeriod System Clock Period 50 μs FDATA Data Output Frequency 20 kHz TREG Thermal Loop Regulation 90 °C TLOOP_IN Thermal Loop Entering Threshold 110 °C TLOOP_OUT Thermal Loop Exiting Threshold 85 °C TSD Over-Temperature Shutdown Threshold 145 °C 1. The AAT2550 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla- tion with statistical process controls. 2. End of Charge Voltage Accuracy is specified over the 0° to 70°C ambient temperature range. |
Similar Part No. - AAT2550_08 |
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Similar Description - AAT2550_08 |
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