DFR0559

    Sunflower: Solar Power Manager 5V SKU: DFR0559     Sunflower Solar Power Series Introduction DFRobot Sunflower is a brand new series focusing on high-efficiency micro to middle power solar energy harvesting and management for makers, renewable energy and IoT projects. All Sunflower modules feature as MPPT ( Maximum Power Point Tracking ) maximizing solar collection efficiency under different sun light, and a variety of battery and power protections. These features provide makers' solar projects efficient and reliable power management. Selection Guide Name Solar Power Manager Solar Power Manager 5V ★ SKU DFR0535 DFR0559 Solar Power Management IC LTC3652 CN3065 Solar Input Voltage 7V ~ 30V 4.4V ~ 6V Maximum Charge Current 2A 900mA Topology DC-DC Buck Linear Regulator Battery 3.7V Lithium Battery 3.7V Lithium Battery MPPT Yes (9V/12V/18V Optional) Yes（Fixed 5V） Battery Protections Over Charge/Over Discharge/Over Current/Reverse Connection Protections Over Charge/Reverse Connection Protections Output Protections Short Circuit/Over Current/Over Heat Protections Short Circuit/Over Current Protections USB Charge IN Yes Yes USB OUT 5V 1.5A 5V 1A Regulated OUT Three Regulated Outputs 3.3V 1A；5V 1.5V；9V/12V 0.5A One Regulated Output 5V 1A Dimension 78.0mm×68.0mm 33.0mm×63.0mm A complete multifunction solar power management module. Features Applications: Small Solar Street Lamp, Solar Powered Robots For 9V/12V/18V Solar Panels within 20W A small and easy-to-use 5V solar power management module. Applications: Solar Power Bank, Solar Environment Monitors For 5V Solar Panels within 10W Introduction DFRobot Sunflower is a new series focusing on high-efficiency small power solar energy harvesting and management for makers, low-power applications and IoT projects. Solar Power Manager 5V is a small power and high-efficiency solar power management module designed for 5V solar panel. 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 900mA charging current to 3.7V Li battery with USB charger. The ON/OFF controllable DC-DC converters with 5V 1A output satisfies the needs of various solar power projects and low-power applications. The module also employs various protection functions, such as 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. Features       Constant Voltage MPPT Algorithm, Maximizing Solar Panel Efficiency Designed for 5V Solar Panel Double Charging Mode: Solar/USB Charger (900mA Max Charge Current) 5V ON/OFF Controllable Regulated Power Supply for Low-Power Applications Various Protection Functions USB Connector with ESD Shell Specifications                  Solar Power Management IC: CN3065 Solar Input Voltage (SOLAR IN): 4.5V~6V Battery Input (BAT IN): 3.7V Li-Polymer/Li-ion Battery Charge Current (USB/SOLAR IN): 900mA Max Trickle Charging, Constant Current, Constant Voltage Three Phases Charging Charge Cutoff Voltage (USB/SOLAR IN): 4.2V±1% USB IN Voltage: 5V Regulated Power Supply: 5V 1A Regulated Power Supply Efficiency (3.7V Battery IN) 5V/USB OUT: 89%@10%Load, 86%@50%Load, 83%@90%Load USB/Solar Charge Efficiency: 73%@3.7V 900mA BAT IN Maximum Quiescent Current: