Datasheet ADP5091, ADP5092 (Analog Devices) - 2

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ADP5091/ADP5092 Data Sheet TABLE OF CONTENTS
Features .. 1 Regulated Output Configuration ... 17 Applications ... 1 REG_GOOD (ADP5092 Only) .. 18 Typical Application Circuit ... 1 Energy Storage Charge Management .. 18 General Description ... 1 Backup Storage Path... 18 Revision History ... 2 Backup and BAT Selection Threshold ... 19 Detailed Functional Block Diagram .. 3 Battery Overcharging Protection ... 19 Specifications ... 4 Battery Discharging Protection .. 19 Regulated Output Specifications .. 6 Power Good (PGOOD) ... 20 Absolute Maximum Ratings .. 7 Power Path Working Flow... 20 Thermal Resistance .. 7 Current-Limit and Short-Circuit Protection .. 20 ESD Caution .. 7 Thermal Shutdown .. 21 Pin Configurations and Function Descriptions ... 8 Applications Information .. 23 Typical Performance Characteristics ... 10 Energy Harvester Selection ... 23 Theory of Operation .. 16 Energy Storage Element Selection ... 23 Fast Cold Start-Up Circuit (VSYS < VSYS_TH, VIN > VIN_COLD) ... 16 Inductor Selection .. 23 Main Boost Regulator (VBAT_TERM > VSYS > VSYS_TH) ... 16 Capacitor Selection .. 24 VIN Open Circuit and MPPT .. 16 Layout and Assembly Considerations ... 24 Minimum Operation Threshold Function ... 17 Typical Application Circuits ... 25 Disabling Boost ... 17 Factory Programmable Options ... 27 Regulated Output Working Mode .. 17 Outline Dimensions ... 28 REG_D0 and REG_D1 .. 17 Ordering Guide .. 28
REVISION HISTORY 5/2017—Rev. 0 to Rev. A
Changes to Figure 2 .. 3 Changes to Figure 7, Figure 10, Figure 7 Caption, and Figure 10 Caption ... 10 Changes to Figure 11 and Figure 11 Caption ... 11 Changed CP-24-10 to CP-24-14 .. Throughout Updated Outline Dimensions ... 28 Changes to Ordering Guide .. 28
7/2016—Revision 0: Initial Version
Rev. A | Page 2 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