Name: Sunflower: Solar Power Manager 5V
SKU: 796954

Solar Power Manager 5V is a small power 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, suitable for various solar power projects.

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for and renewable energy applications. 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.

Board Overview

Solar Power Manager 5V interfaces (front)

Solar Power Manager 5V interfaces (back)

Connection Diagram

Build a solar powered 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

Applications:

Smart solar environment monitor system

Solar powered robot

Small solar street lamp

Solar power bank

Specification:

Solar power management IC: CN3065

Solar input voltage (SOLAR IN): 4.5V~6V

Battery input (BAT IN): 3.7V single cell Li-polymer/Li-ion battery

Charge current(USB/SOLAR IN): 900mA Max trickle charging, constant current, constant voltage three phases charging

Charging 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: <1 mA

Protection functions
BAT IN: over charge/reverse connection protection
5V/USB OUT: short circuit/over current/over heat protection
SOLAR IN: reverse connection protection

Operation temperature: -40℃～85℃

Dimension: 33.0mm*63.0mm