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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACT3780 датащи(PDF) 5 Page - Active-Semi, Inc |
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ACT3780 датащи(HTML) 5 Page - Active-Semi, Inc |
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5 / 20 page  ACT3780 Rev 8, 09-Jul-13 Innovative PowerTM - 5 - www.active-semi.com Copyright © 2013 Active-Semi, Inc. Active-Semi Proprietary―For Authorized Recipients and Customers ActivePath TM is a trademark of Active-Semi. ELECTRICAL CHARACTERISTICS CONT’D (VCHG_IN = 5.0V, RISET = 1kΩ, RBTR = 62kΩ, RDCCC = 18.7kΩ, TA = 25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Charger BAT to SYS On Resistance RDSON_Q2 50 mΩ SYS to BAT Turn On Threshold VCHG_ON SYS - BAT 40 75 mV SYS to BAT Turn Off Threshold VCHG_OFF SYS - BAT -30 Charge Termination Voltage VTERM ACT3780QY 4.179 4.200 4.221 V ACT3780QY410 4.075 4.100 4.125 Battery Reverse Leakage Current IBAT_REV VSYS < VBAT + 100mV, ISYS = 0mA 2.5 5 µA Line Regulation VSYS = 4.5V to 5.5V, IBAT = 10mA 0.025 %/V ISET Pin Voltage VFSTSET Fast Charge 1 V VPRESET Precondition Charge 0.1 Charge Current IFSTCHG VBAT = 3.5V RISET = 1kΩ ACIN = G, CHGLEV = G 80 90 100 mA ACIN = G, CHGLEV = SYS2 400 450 500 ACIN = SYS, CHGLEV = G -17.5% 0.5*ISET 17.5% ACIN = SYS, CHGLEV = SYS -12.5% ISET 12.5% Precondition Charge Current IPRECHG VBAT = 2.5V ACIN = G, CHGLEV = G MIN(10%ISET, 90mA) mA ACIN = G, CHGLEV = SYS 10% ISET ACIN = SYS, CHGLEV = G 10% ISET ACIN = SYS, CHGLEV = SYS 10% ISET Precondition Voltage Threshold VPRECHG VBAT Voltage Rising 2.7 2.85 3.00 V Precondition Threshold Hysteresis VHYS(PRECHG) VBAT Voltage Falling 150 220 mV End-of Charge Current Threshold IEOC VBAT = 4.2V ACIN = G 4 % ACIN = SYS 10 Sleep-Mode Entry Threshold VSLPENT 150 250 mV Sleep-Mode Exit Threshold VSLPEXIT 50 150 mV Charge Restart Threshold VRCH VSYS – VBAT, VBAT Falling 150 175 200 mV Fast Charge Safety Timer TNORMAL RBTR = 62kΩ 3 hr Precondition Safety Timer TPRE RBTR = 62kΩ 1 hr TA = 25°C Leakage Current to BAT ILKG_BAT VCHG_IN = 5V, Charger is in EOC state or time-out fault state or disabled. 0 5 µA |
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