link to page 31 Click here for production status of specific part numbers. MAX20361Small, Single-/Multi-Cell Solar Harvester withMPPT and Harvest CounterGeneral DescriptionBenefits and Features The MAX20361 is a fully integrated solution for • Single-/Multi-Cell Solar Energy Harvester harvesting energy from single-/multi-cell solar sources. • 225mV to 2.5V (typ) Input-Voltage Range The device includes an ultra-low quiescent current • Efficient Harvesting from 15μW to Over 300mW (360nA) boost converter that is capable of starting from of Available Input Power input voltages as low as 225mV (typ). In order to - 86% Efficiency at VSYS = 3.8V, ISRC = 30mA maximize the power extracted from the source, the • Small Solution Size MAX20361 implements a proprietary maximum power - Utilizes Smal 2016 4.7μH Inductor point tracking (MPPT) technique that allows efficient • harvesting from 15μW to over 300mW of available input Maximum Power Point Tracking (MPPT) Technique Using Fractional VOC Method power. • Programmable Fractional VOC Regulation Point The MAX20361 also features an integrated charging through I2C Interface and protection circuit that is optimized for Li-ion • Battery/Supercapacitor Charger batteries, but can also be used to charge • Programmable Battery Termination Voltage supercapacitors, thin-film batteries, or traditional through I2C Interface capacitors. The charger features a programmable • Programmable Power Good Wake-Up Signal charging cut-off voltage with thresholds programmable Output Threshold through I2C Interface through I2C interface as well as temperature shutoff. The MAX20361 is available in a 12-bump, 0.4mm pitch, 1.63mm x 1.23mm wafer-level package (WLP). Ordering Informationat end of data sheet.Applications • Wearable Fitness • Medical Devices • Industrial IoT Sensors • Asset Tracking Devices • Wireless Sensor Networks 19-100866; Rev 1; 9/20 Document Outline General Description Applications Benefits and Features Simplified Block Diagram Absolute Maximum Ratings Package Information Electrical Characteristics Typical Operating Characteristics Bump Configuration Pin Descriptions Detailed Description Boost Converter Harvesting Meter Maximum Power Point Tracking (MPPT) Low-Light Sleep Mode WAKE Output Thermal Monitor Shutdown Cold-Startup Source Clamp I2C Interface Slave Address Bit Transfer Single-Byte Write Burst Write Single Byte Read Burst Read Acknowledge Bits Register Map Applications Information Inductor Selection Capacitor Selection SRC Capacitance SYS and VCC Capacitance nMOS Transistor Selection Typical Application Circuits Solar Application Circuit Ordering Information