Datasheet ADP5090 (Analog Devices) - 9

Data Sheet ADP5090 VIN VIN 1 CH2: SYS (AC) 3 1 SYS CH3: BAT (AC) BAT 2 SW 3 SW 4 4
022 119 12263- 12263-
CH1 1.00V BW CH2 50.0mV BW M20.0ms A CH3 5.00mV CH1 500mV BW CH2 2.00V BW M4.00s A CH2 1.04V CH3 50.0mV B T 30.40% W CH4 2.00V CH3 2.00V BW CH4 5.00V
Figure 21. Output Ripple of TERM Function with 100 μA Load Figure 24. MPPT Sampling Cycle Waveform
VIN VIN 1 SYS 1 BAT BAT BACK_UP 3 SW SYS 4 2
117 021 12263- 12263-
CH1 500mV BW CH2 2.00V BW M100µs A CH4 2.20V CH1 500mV BW CH2 1.00V BW M2.00s A CH2 1.90V CH3 2.00V BW CH4 2.00V CH3 1.00V BW CH4 1.00V BW
Figure 22. Main Boost PFM Waveform with 200 μA Load Figure 25. Backup Function, VBACK_UP < VBAT
VIN VIN 1 BAT 1 SYS MINOP SYS 2 3 SW 2 SW 4 4
118 020 12263- 12263-
CH1 500mV BW CH2 1.00V BW M400µs A CH2 1.88V CH1 1.00V BW CH2 1.00V BW M100ms A CH1 1.26V CH3 1.00V B T 20.20% W CH4 2.00V CH3 1.00V BW CH4 2.00V BW
Figure 23. Battery Protection Function Waveform Figure 26. MINOP Function Waveform Rev. C | Page 9 of 21 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS DETAILED FUNCTIONAL BLOCK DIAGRAM THEORY OF OPERATION COLD STARTUP (VSYS < VSYS_TH, VIN > VIN_COLD) BOOST REGULATOR (VBAT_TERM > VSYS ≥ VSYS_TH) VIN OPEN CIRCUIT AND MPPT ENERGY STORAGE CHARGE MANAGEMENT BACKUP STORAGE PATH MINOP FUNCTION DISABLING BOOST 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 CBP Capacitor LAYOUT AND ASSEMBLY CONSIDERATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE