Datasheet ADP5091, ADP5092 (Analog Devices) - 5

Data Sheet ADP5091/ADP5092 Parameter Symbol Test Conditions/Comments Min Typ Max Unit
ENERGY STORAGE MANAGEMENT Internal Reference Voltage VINT_REF 0.955 1.011 1.067 V Battery Stop Discharging Threshold VSETSD 2.0 VBAT_TERM V Hysteresis Resistor RSETSD_HYS 80 115 160 kΩ Battery Terminal Charging Threshold VBAT_TERM 2.2 5.2 V Hysteresis VBAT_TERM_HYS 3 3.1 % PGOOD Rising Threshold at SYS Pin VSYS_PG VSETSD VBAT_TERM V PGOOD Pull-Up Resistor 11.6 17.0 kΩ PGOOD Pull-Down Resistor 11.6 17.0 kΩ PGOOD High Voltage VPGOOD_HIGH VSYS V Battery Switches On Resistance RBAT_SW_ON Pin to pin measurement 0.59 0.85 Ω Battery Source Current IBAT 1 A Leakage Current at BAT Pin IBAT_LEAK VBAT = 2 V, VSETSD = 2.2 V, VSYS = 2 V 22 50 nA VBAT = 3.3 V, VSETSD = 2.2 V, VSYS = 0 V 3.5 35 nA BACK_UP POWER PATH Turning Off BACK_UP Switch Threshold on BAT VSETBK 2.0 VBAT_TERM V Hysteresis Resistor RSETBK_HYS 80 115 160 kΩ BACK_UP Switches On Resistance 0.85 1.20 Ω BACK_UP and BAT Comparator VSYS ≥ VSYS_TH Offset VBKP_OFFSET 158 190 271 mV Hysteresis VBAT_HYS 68 75 108 mV BACK_UP Current Capability IBKP VSYS < VSYS_TH 250 µA Leakage Current at BACK_UP Pin IBKP_LEAK VBACK_UP = VSYS = VBAT = 3 V 16 40 nA THERMAL SHUTDOWN Threshold TSHDN VSYS ≥ VSYS_TH 142 °C Hysteresis THYS 15 °C Rev. A | Page 5 of 28 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS REGULATED OUTPUT SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION FAST COLD START-UP CIRCUIT (VSYS < VSYS_TH, VIN > VIN_COLD) MAIN BOOST REGULATOR (VBAT_TERM > VSYS > VSYS_TH) VIN OPEN CIRCUIT AND MPPT MINIMUM OPERATION THRESHOLD FUNCTION DISABLING BOOST REGULATED OUTPUT WORKING MODE REG_D0 AND REG_D1 REGULATED OUTPUT CONFIGURATION REG_GOOD (ADP5092 ONLY) ENERGY STORAGE CHARGE MANAGEMENT BACKUP STORAGE PATH BACKUP AND BAT SELECTION THRESHOLD BATTERY OVERCHARGING PROTECTION BATTERY DISCHARGING PROTECTION POWER GOOD (PGOOD) POWER PATH WORKING FLOW CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTION THERMAL SHUTDOWN APPLICATIONS INFORMATION ENERGY HARVESTER SELECTION ENERGY STORAGE ELEMENT SELECTION INDUCTOR SELECTION CAPACITOR SELECTION Input Capacitor SYS Capacitor REG_OUT Capacitor CBP Capacitor LAYOUT AND ASSEMBLY CONSIDERATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE