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

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.

 

Board Overview

 

 

 

                                                                               Solar Power Manager interfaces (front)

 

 

                                             Solar Power Manager interfaces (back)

 

Connection Diagram

 

  

 

                                                       Build a solar powered system

 

 

FEATURES:

 

•  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

 

APPLICATIONS:

 

•  Smart solar environment monitor system

•  Solar powered robot

•  Small solar street lamp

•  Solar power bank

 

SPECIFICATION:

 

•  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

 

DOCUMENTS:

 

•  Product wiki

•  More Documents

 

SHIPPING LIST:

 

• 1 x Sunflower: Solar Power Manager

• 3 x Black Jumper 

• 4 x M3 nylon pillar 

• 4 x M3 stainless steel screw

• 1 x 14mm*14mm Aluminum cooling fin

• 1 x 14mm*14mm Thermal conductive silicone pad 

• 1 x Female DC power jack adapter 

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Sunflower: Solar Power Manager 9V/12V/18V

• Brand: DFRobot
• Product Code:DFR-Sunflower-Solar-Power-Manager-9V-12V-18V
• Reward Points:38
• Availability:In Stock

• रo 4,373.08

• रo 3,794.88

• Ex Tax:रo 3,216.00
• Price in reward points:3828

• ---

• 4 or more रo 4,354.20
• 7 or more रo 4,336.50
• 20 or more रo 4,222.04