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MAX77650CEWVT Datasheet(PDF) 13 Page - Maxim Integrated Products |
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MAX77650CEWVT Datasheet(HTML) 13 Page - Maxim Integrated Products |
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13 / 82 page  (VCHGIN = 5.0V, VSYS = 4.5V, VBATT = 4.2V, limits are 100% production tested at TA = +25°C, limits over the operating temperature range (TA = -40°C to +85°C) are guaranteed by design and characterization, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Current Limit Accuracy ICHGIN-LIM = 95mA, VSYS = VSYS-REG - 100mV 90 95 100 mA Minimum Input Voltage Regulation Range VCHGIN-MIN VCHGIN falling due to loading conditions and/or high-impedance charge source, programmable in 100mV increments with VCHGIN_MIN[2:0]. 4.0 4.7 V Minimum Input Voltage Regulation Accuracy VCHGIN-MIN = 4.5V (VCHGIN_MIN[2:0] = 0b101), ICHGIN reduced by 10% 4.32 4.50 4.68 V Charger Input Debounce Timer tCHGIN-DB VCHGIN = 5V, time before CHGIN is allowed to deliver current to SYS or BATT 100 120 140 ms SUPPLY AND QUIESCENT CURRENTS BATT Bias Current IBATT-BIAS VCHGIN = 5V, charger is not in USB suspend (USBS = 0), charging is finished (CHG_DTLS indicate done), ISYS = 0mA 5 μA CHGIN Supply Current ICHGIN VCHGIN = 5V, charger is not in USB suspend (USBS = 0), Charging is finished (CHG_DTLS indicate done), ISYS = 0mA 1.0 1.8 mA VCHGIN = 0V to 1V, VBATT = 3.3V, ISYS = 0A 50 μA CHGIN Suspend Supply Current ICHGIN VCHGIN = 5V, charger in USB suspend (USBS = 1) 50 μA PREQUALIFICATIONS Charge Current Soft-Start Slew Time Zero to full scale 1 ms Input Current Soft-Start Slew Time Zero to full scale 1 ms Prequalification Voltage Threshold Range VPQ Charger is in prequalification mode when VBATT < VPQ, this threshold has 100mV of hysteresis, programmable in 100mV steps with CHG_PQ[2:0] 2.3 3.0 V Prequalification Voltage Threshold Accuracy VPQ = 3.0V -3 +3 % Prequalification Mode Charge Current IPQ VBATT = 2.5V, VPQ = 3.0V, expressed as a percentage of IFAST-CHG, I_PQ = 0 10 % VBATT = 2.5V, VPQ = 3.0V, expressed as a percentage of IFAST-CHG, I_PQ = 1 20 Prequalification Safety Timer tPQ VBATT < VPQ = 3.0V 27 30 33 minutes Electrical Characteristics—Smart Power Selector Charger (continued) www.maximintegrated.com Maxim Integrated │ 13 MAX77650/MAX77651 Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+ |
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