The module employs constant voltage ratio MPPT (Maximum Power Point Tracking) algorithm to maximize output power of the solar panel under various sunlight. It can charge a 3.7V lipo battery through solar or USB, providing charge current up to 70mA or 100mA respectively. A 3.3V 90mA regulated output can handle burst current of most low-power wireless devices during transmitting or receiving. Inlow-power solar projects, lipo battery may suffer from over-discharge problem when it is cloudy for days, or the capacity of battery can not meet the deviceأ¢â‚¬â„¢s need. The battery over-charge and over-discharge protections are designed to prevent such problems to extend battery life.
Check the brief specification forall Solar Power Manager Series Products.
Powermicro:bit with Small Solar Panel
PowerFirebeetle Series with Small Solar Panel
|Name||Solar Power Manager v1.0||Solar Power Manager 5v v1.1||Solar Power Manager Micro v1.0||Solar Power Manager v1.0|
|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 1Aط£آ¯ط¢آ¼أ¢â‚¬ط›5V 1.5Aط£آ¯ط¢آ¼أ¢â‚¬ط›9V/12V 0.5A||One Regulated Output 5V 1A||One Regulated Output 3.3V 90mA||Two Outputs 5V 5A; 12V 8A|
A complete multifunction solar power management module.
Applications: Small Solar Street Lamp, Solar Powered Robotsط¢آ
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
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