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MAX1645EEI Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1645EEI Datasheet(HTML) 5 Page - Maxim Integrated Products |
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5 / 32 page  Advanced Chemistry-Independent, Level 2 Battery Chargers with Input Current Limiting _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, VDD = +3.3V, VBATT = +16.8V, VDCIN = +18V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER s 140 175 210 tWDT Maximum Charge Period Without a ChargingVoltage() or Charging Current() Loaded µs 1 tDV SDA Output Data Valid from SCL ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, VDD = +3.3V, VBATT = +16.8V, VDCIN = +18V, TA = -40°C to +85°C, unless otherwise noted. Guaranteed by design.) PARAMETER SYMBOL MIN MAX UNITS LDO Output Voltage VLDO 5.15 5.65 V 7 DCIN Undervoltage Threshold 7.85 V DCIN Supply Current Charging Inhibited 2 mA VDD Input Voltage Range (Note 1) 2.8 5.65 V VDD Undervoltage Threshold 2.8 V 2.1 VDD Quiescent Current IDD 150 µA DCIN Typical Operating Range VDCIN 828 V DCIN Supply Current IDCIN 6 mA REF Output Voltage VREF 4.035 4.157 V BATT Undervoltage Threshold (Note 2) 2.4 2.8 V PDS Charging Source Switch Turn-Off Threshold VPDS-OFF 50 150 mV PDS Charging Source Switch Threshold Hysteresis VPDS-HYS 100 300 mV PDS Output Low Voltage, PDS Below CSSP 812 V PDS Turn-On Current 100 300 µA PDS Turn-Off Current 10 mA PDL Load Switch Turn-Off Threshold VPDL-OFF -150 -50 mV PDL Load Switch Threshold Hysteresis VPDL-HYS 100 300 mV PDL Turn-Off Current 6 mA CONDITIONS 0 < IREF < 200µA 8V < VDCIN < 28V, 0 < ILDO < 15mA When ICHARGE drops to 128mA When AC_PRESENT switches 8V < VDCIN < 28V 8V < VDCIN < 28V When the SMB res- ponds to commands VCVS referred to VBATT, VCVS falling VCVS referred to VBATT 0 < VDCIN < 6V, VDD = 5V, VSCL = 5V, VSDA = 5V IPDS = 0 PDS = CSSP VPDS = VCSSP - 2V, VDCIN = 16V VCVS referred to VBATT, VCVS rising VCVS referred to VBATT VCSSN - VPDL = 1V 8V < VDCIN < 28V DCIN rising DCIN falling VDD rising VDD falling GENERAL SPECIFICATIONS |
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