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Overview
| Topology | Boost Converter |
| Input voltage | 0.22-2.5 V |
| Output 1 | 3.8 V / 0.01 A |
| IC revision | 3 |
Description
The MAX20361 is a fully integrated solution for harvesting energy from single-/multi-cell solar sources. The device includes an ultra-low quiescent current (360nA) boost converter that is capable of starting from input voltages as low as 225mV (typ). In order to maximize the power extracted from the source, the MAX20361 implements a proprietary maximum power point tracking (MPPT) technique that allows efficient harvesting from 15μW to over 300mW of available input power.
Features
- Single-/Multi-Cell Solar Energy Harvester
- 225mV to 2.5V (typ) Input-Voltage Range
- Efficient Harvesting from 15μW to Over 300mW of Available Input Power
- 86% Efficiency at VSYS = 3.8V, ISRC = 30mA
- Small Solution Size
- Utilizes Small 2016 4.7μH Inductor
- Maximum Power Point Tracking (MPPT) Technique Using Fractional VOC Method
- Programmable Fractional VOC Regulation Point through I2C Interface
- Battery/Supercapacitor Charger
- Programmable Battery Termination Voltage through I2C Interface
- Programmable Power Good Wake-Up Signal Output Threshold through I2C Interface
Typical applications
- Industrial IoT Sensors, Wireless Sensor Networks
- Medical devices
- Wearable Fitness, Asset Tracking Devices
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | IRP,40K(A) | RDC max.(mΩ) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 4.7 µH, 1.55 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance4.7 µH | Rated Current1.55 A | Saturation Current1.7 A | Self Resonant Frequency60 MHz | MountSMT | – | DC Resistance70 mΩ | Size4828 | – | ||||
 | WE-TPC SMT Tiny Power Inductor, 15 µH, 0.62 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance15 µH | Rated Current0.62 A | Saturation Current0.45 A | Self Resonant Frequency30 MHz | MountSMT | – | DC Resistance285 mΩ | Size3816 | VersionSMT | ||||
 | WE-PD SMT Power Inductor, 22 µH, 1.41 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance22 µH | Rated Current1.41 A | – | Self Resonant Frequency17 MHz | MountSMT | Performance Rated Current2.45 A | DC Resistance110 mΩ | Size7345 | VersionRobust |