Datasheet LTC4124 (Analog Devices) - 3

LTC4124
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise noted (Notes 2, 3). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDCIN DC Input Supply Operating Range l 3.3 5.5 V VCC Supply Operating Range l 2.7 5.5 V IVCC Input Quiescent Current VCC = 5V, Not Charging l 120 250 μA IBAT Battery Quiescent Current Done Charging or Not Charging, VCC > VBAT l 3.5 7 µA Ideal Diode Mode, ACIN = DCIN = 0V, 8 15 µA NTC = VCC or Open l 8 80 µA Ideal Diode Mode, ACIN = DCIN = 0V, 28 35 µA NTC = 100kΩ to GND l 28 100 µA Disconnect Mode, VBAT < VBAT_LBDIS, l 0 50 nA ACIN = DCIN = VCC = 0V Ship Mode, at any VBAT Voltage Level, l 0 50 nA ACIN = DCIN = VCC = 0V
Wireless and DC Power Management
ΔVCC(HIGH) VCC High Voltage Limit above VBAT VCC Rising, VBAT = 3.6V 1.05 V ΔVCC(LOW) VCC Low Voltage Limit above VBAT VCC Falling, VBAT = 3.6V 0.85 V ACIN to VCC Voltage Drop VACIN = 5V, VDCIN = 0V, IVCC = –100mA, 0.45 V Not Charging DCIN to VCC Voltage Drop VDCIN = 5V, VACIN = 0V, IVCC = –100mA, 0.45 V Not Charging
Battery Charging
VUVCL VCC Undervoltage Current Limit Regulation ISEL1 = ISEL2 = VCC, ICHG = 1mA (10%) 3.4 V Point VUVCL_TH VCC Fault Indicator Threshold into UVCL VCC Falling, VBAT = 3.0V 3.45 V Hysteresis VBAT = 3.0V 50 mV RCHG Charge Switch On Resistance VBAT = 3.6V 0.5 Ω VBAT_REG Battery Charge Voltage VSEL1 = VSEL2 = VCC 4.339 4.350 4.361 V l 4.285 4.350 4.415 V VSEL1 = VCC, VSEL2 = GND 4.190 4.200 4.210 V l 4.137 4.200 4.263 V VSEL1 = GND, VSEL2 = VCC 4.090 4.100 4.110 V l 4.038 4.100 4.162 V VSEL1 = VSEL2 = GND 3.990 4.000 4.010 V l 3.940 4.000 4.060 V VBAT_RECHG Recharge Battery Threshold Voltage VBAT Falling, % of VBAT_REG l 96.0 97.6 98.6 % Hysteresis % of VBAT_REG 0.3 % VBAT_TRKL Precharge Battery Voltage Threshold VBAT Rising, % of VBAT_REG l 65 68 71 % Hysteresis % of VBAT_REG 1 % ICHG Charge Current in Constant Current Mode ISEL1 = ISEL2 = VCC l 95 100 103.5 mA ISEL1 = VCC, ISEL2 = GND l 45 50 53.5 mA ISEL1 = GND, ISEL2 = VCC l 22 25 27.5 mA ISEL1 = ISEL2 = GND l 8.5 10.0 11.5 mA ICHG(PRE) Precharge Current VPRECHG = VCC, % of ICHG l 6 10 14 % Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts