Datasheet ADP5091, ADP5092 (Analog Devices) - 25

Data Sheet ADP5091/ADP5092 TYPICAL APPLICATION CIRCUITS VID LLD TO MCU 111kΩ 2V REG_OUT SENSOR 10µF REG_FB REG_D0 FROM MCU REG_D1 PGOOD 22µH SOLAR HARVESTER SYS SW 4.7µF VIN 10µF 4.7MΩ BAT + MPPT – 18MΩ CBP PA-5R0H224 10nF MCU ADP5091 0.22F (ALWAYS ON) REF SETSD BACK_UP CR2032 + SETPG 3V DIS_SW 225mAh – MINOP ADF7024 SETHYST (Rx/Tx) 150kΩ SETBK TERM AGND PGND
045 45- 141 Figure 45. ADP5091-Based Energy Harvester Wireless Sensor Application with PV Cell as the Harvesting Energy Source (Trony 0.7 V, 60 μA, Alta Devices 0.72 V, 42 μA, Gcell 1.1 V, 100 μA), Cooper Bussmann Super Capacitor PA-5R0H224 as the Harvested Energy Storage, and Panasonic Primary Li-Ion Coin Cell CR2032 as the Backup Battery
VID LLD TO MCU 111kΩ 2V REG_OUT 10µF FROM MCU REG_FB REG_D0 THERMOELECTRIC GENERATOR REG_D1 PGOOD 22µH SYS SW 4.7µF + 10µF VIN BAT + MPPT – 250kΩ CBP PA-5R0H224 10nF 0.22F ADP5091 REF SETSD BACK_UP CR2032 + SETPG 3V DIS_SW 225mAh – MINOP SETHYST SETBK TERM AGND PGND
046 45- 141 Figure 46. ADP5091-Based Energy Harvester Circuit with a Thermoelectric Generator as the Harvesting Energy Source, Cooper Bussmann Super Capacitor PA-5R0H224 as the Harvested Energy Storage, and Panasonic Primary Li-Ion Coin Cell CR2032 as the Backup Battery Rev. A | Page 25 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