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Solar Power Manager Micro DFRobot (2V 160mA Solar Panel Included) - DFR0579

The Solar Power Manager Micro is a compact solar energy harvesting and power management module designed for low power IoT devices, wireless sensors, and microcontroller based systems. It allows devices to run from small solar panels while charging a 3.7V lithium battery that stores energy for continuous operation. The module uses the SPV1050 solar energy harvesting IC which implements Maximum Power Point Tracking (MPPT) technology. This allows the solar panel to operate near its optimal power point, maximizing energy conversion even in low light environments. Because of its high efficiency and extremely low quiescent current, the module is ideal for autonomous sensor nodes and embedded devices deployed outdoors.

Package Includes

  • Solar Power Manager Micro Module x1
  • Monocrystalline Silicon Solar Panel 2V 160mA 50 x 50 mm x1
Solar Panel
135.45 AED 135.45 AED (Tax included)

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The board can charge a 3.7V lithium battery using either a solar panel or a USB power source. It also provides a regulated 3.3V output suitable for microcontrollers, wireless modules, and sensors. Built in protection circuits prevent over charge, over discharge, reverse connection, and output short circuits, improving system reliability and battery lifespan.

Features

  • Solar power management module for low power IoT systems
  • Integrated SPV1050 solar energy harvesting IC
  • Maximum Power Point Tracking MPPT technology
  • Supports small solar panels from 0.5V to 4V
  • Dual charging sources via solar panel or USB
  • Stable regulated 3.3V output for microcontrollers
  • Ultra low quiescent current for energy efficient operation
  • Over charge and over discharge battery protection
  • Short circuit and over current protection
  • Compact size suitable for embedded applications

Specifications

  • Solar Power Management IC: SPV1050
  • Solar Input Voltage: 0.5V to 4V
  • Battery Type: 3.7V Lithium Battery
  • Maximum Charge Current via USB: 100 mA
  • Maximum Charge Current via Solar: 70 mA
  • Regulated Output Voltage: 3.3V
  • Maximum Output Current: 90 mA
  • Over Charge Protection Threshold: 4.2V
  • Over Discharge Protection Threshold: 3.1V
  • Quiescent Current: Less than 3 microampere
  • Operating Temperature: -40 C to 85 C
  • Board Dimensions: 30 mm x 30 mm

Pinout 

Solar Power Manager Micro SKU DFR0579

Pin Name Description
USB IN 5V Input USB power input used to charge the lithium battery when solar power is not available
SOLAR IN Solar Panel Input Connect the positive and negative terminals of the solar panel here
BAT IN Battery Input Connect a 3.7V lithium battery to store solar energy
OUT 3.3V Output Regulated 3.3V power output for microcontrollers and sensors
GND Ground Common ground connection for the entire system

Typical Connection

Systemy dla Internetu Rzeczy (56). Układ SPV1050 firmy ST Microelectronics do pozyskiwania energii słonecznej i termalnej | EP.com.pl

  • Connect a small solar panel to the SOLAR IN terminals
  • Connect a 3.7V lithium battery to the BAT IN terminals
  • Use the OUT and GND pins to power a microcontroller or IoT device
  • Optional USB input can be used to charge the battery when solar power is unavailable

Applications

  • Solar powered IoT devices
  • Wireless sensor networks
  • Environmental monitoring systems
  • Remote embedded electronics
  • Outdoor data logging systems
  • Low power microcontroller projects

Documents and Resources