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

Features

A complete multifunction solar power

management module.

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