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Solar Power Manager (for 9V-12V-18V solar panel)

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436.78 TL



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    The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers.

    Solar Power Manager is a complete small power and high-efficiency solar power management module. It features as MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel. Apart from serving as a solar charger, the module can provide up to 2A charging current to 3.7V Li battery with AC adapter (within 30V) or USB charger, three individual ON/OFF controllable DC-DC converters with 5V 1.5A, 3.3V 1A and 9V/12V 0.5A outputs. These features satisfy the needs of various solar power projects and low-power applications. The module also employs various protect functions, such as Li battery protection, battery/solar panel reverse connection protection, output over temperature and over current/short circuit protection, which greatly improves the stability and safety of the system.

    Check the brief specification for all Solar Power Manager Series Products.

    Board Overview

    DFR0535-Solar Power Manager Board Overview
    Solar Power Manager
    Connection Diagram
    DFR0535-Build a solar powered system 

    Build a solar powered system

    Solar Power Manager Series
    Solar Power Manager Micro (2V 160mA Solar Panel Included)
    Name Solar Power Manager v1.0 Solar Power Manager 5v v1.1 Solar Power Manager Micro v1.0 Solar Power Manager v1.0
    SKU DFR0535 DFR0559 DFR0579 DFR0580
    Solar Power Management IC LTC3652 CN3065 SPV1050 CN3767
    Solar Input Voltage 7V-30V 4.4V-6V 0.5V-4V 15V-25V
    Maximum Charge Current 2A(Solar/USB) 900mA(Solar/USB) 70mA(Solar)/100mA(USB) 4A(Solar)
    Topology DC-DC Buck Linear Regulator DC-DC Boost DC-DC Buck
    Battery 3.7V Lithium Battery 3.7V Lithium Battery 3.7V Lithium Battery 12V Lead-Acid Battery
    MPPT 9V/12V/18V Optional 5V Fixed 75% Open Voltage Fixed 18V
    Battery Protections Over Charge/Over Discharge/Over Current/Reverse Connection Protections Over Charge/Over Discharge/Over Current/Reverse Connection Protections Over Charge/Over Discharge/Reverse Connection Protections Over Charge/Over Discharge/Reverse Connection Protections
    Output Protections Short Circuit/Over Current/Over Heat Protections Short Circuit/Over Current Protections Short Circuit/Over Current Protections Short Circuit/Over Current/Over Heat Protections
    USB Charge IN Yes Yes Yes No
    USB OUT 5V 1.5A 5V 1A No 5V 2.5A x2
    Regulated OUT Three Regulated Outputs 3.3V 1A;5V 1.5A;9V/12V 0.5A One Regulated Output 5V 1A One Regulated Output 3.3V 90mA Two Outputs 5V 5A; 12V 8A
    Dimension 78.0mm×68.0mm 33.0mm×63.0mm 30.0mm×30.0mm 68.0mm×68.0mm

    A complete multifunction solar power management module.

    Applications: Small Solar Street Lamp, Solar Powered Robots 

    For 9V/12V/18V Solar Panels within20w

    A small and easy-to-use 5V solar power management module.

    Applications: Solar Power Bank, Solar Environment Monitors

    For 5V Solar Panels within 10W

    A micro power solar power management module for low-power sensors and controllers.

    Applications: Wireless Sensor Network, BLE iBecon

    For 1V/2V/3V Solar Panels within 0.5W

    A medium power solar management module for 12V lead-acid batteries.

    Applications: Street lighting, intelligent agriculture, environmental monitoring station, UPS

    For 18V Solar Panels within 100W

    Project 1: How to make a holiday window decoration with LED strip

    Material List:
    1.DFR0535 Solar Power Manager (for 9V/12V/18V solar panel) x1
    2.Silicon Solar Panels(9V) x15
    3.3.7v/10000mah Lithium Battery x1
    4.Gravity: I2C 3.7V Li Battery Fuel Gauge x1
    5.DFRduino UNO R3 - Arduino Compatible x1
    6.Gravity: I2C DS1307 RTC Module x1
    7.Gravity: Analog Ambient Light Sensor For Arduino x1
    8.WS2812B RGB led x80
    (combines with enameled wires and 3M twin adhesive)
    9.NPN triode (10k resistor) x1


    • Constant voltage MPPT algorithm, maximizing solar panel efficiency
    • 7V~30V wide solar panel input voltage
    • Various charging mode: solar/AC adapter/USB charger (2A max charge current)
    • Three individual ON/OFF controllable regulated power supply for low-power applications
    • All multi-layer ceramic capacitors (MLCC), safe, stable and high-efficiency
    • Various protection functions
    • USB connector with ESD shell


    • Smart solar environment monitor system
    • Solar powered robot
    • Small solar street lamp
    • Solar power bank


    • Solar power management IC: LTC3652
    • Solar input voltage (SOLAR IN): 7V~30V
    • Battery input (BAT IN): 3.7V single cell Li-polymer/Li-ion battery
    • Charge current(USB/SOLAR IN): 2A Max
    • Charging cutoff voltage(USB/SOLAR IN): 4.2V±1%
    • MPPT setting voltages:OFF/9V/12V/18V
    • USB IN voltage: 5V
    • Regulated power supply: OUT1=5V 1.5A; OUT2=3.3V 1A; OUT3=9V/12V 0.5A
    • Regulated power supply efficiency (3.7V battery IN)
       OUT1: 86%@50%Load
       OUT2: 92%@50%Load
       OUT3 (9V OUT): 89%@50%Load
    • USB charge efficiency: 84%@1A
    • Solar charge efficiency (18V SOLAR IN):78%@1A
    • Maximum quiescent current: <3 mA
    • Protections
       BAT IN: over charge /over discharge /over current /reverse connection protection
       OUT1-OUT3/USB OUT: short circuit/over current/over heat protection
       SOLAR IN: reverse connection protection
    • Operation temperature:-40℃~85℃
    • Dimension:78.0mm*68.0mm



    • Solar Power Manager;x1
    • Black Jumperbsp x3
    • M3 nylon pillar x4
    • M3 stainless steel screw x4
    • 14mm*14mm Aluminum cooling fin x1
    • 14mm*14mm Thermal conductive silicone pad x1
    • Female DC power jack adapter x1
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