Circuit Documentation

Summary

This circuit is designed to charge a 18650 Li-ion battery using a solar panel. The charging process is managed by a TP4056 charge controller, and a 1N4007 rectifier diode is used to prevent reverse current flow from the battery to the solar panel.

Component List

1. TP4056 Charge Controller

   • Pins: OUT-, B-, B+, OUT+, IN-, IN+
   • Description: A lithium-ion battery charger module.
   • Purpose: Manages the charging of the 18650 Li-ion battery.

2. Solar Panel

   • Pins: +, -
   • Description: A photovoltaic module that converts sunlight into electrical energy.
   • Purpose: Provides the input power for charging the battery.

3. 18650 Li-ion Battery

   • Pins: +, -
   • Description: A rechargeable lithium-ion battery.
   • Purpose: Stores the electrical energy generated by the solar panel.

4. 1N4007 Rectifier Diode

   • Pins: Cathode, Anode
   • Description: A general-purpose silicon rectifier diode.
   • Purpose: Prevents reverse current flow from the battery to the solar panel.

Wiring Details

TP4056 Charge Controller

• B- is connected to - of the 18650 Li-ion Battery.
• B+ is connected to + of the 18650 Li-ion Battery.
• IN- is connected to - of the Solar Panel.
• IN+ is connected to Cathode of the 1N4007 Rectifier Diode.

Solar Panel

• - is connected to IN- of the TP4056 Charge Controller.
• + is connected to Anode of the 1N4007 Rectifier Diode.

18650 Li-ion Battery

• - is connected to B- of the TP4056 Charge Controller.
• + is connected to B+ of the TP4056 Charge Controller.

1N4007 Rectifier Diode

• Cathode is connected to IN+ of the TP4056 Charge Controller.
• Anode is connected to + of the Solar Panel.

Code

There is no embedded code associated with this circuit.