Circuit Documentation

Summary

The circuit in question appears to be a power supply system with a UPS (Uninterruptible Power Supply) module, designed to provide a stable DC output from an AC power source while also being capable of switching to battery backup in the event of a power outage. The circuit includes a 12V 5A power supply, two sets of 18650 Li-ion batteries, two XL4016 DC-DC converters, an AC wire connection, and a toggle switch for manual control of the AC input.

Component List

UPS Module

• Description: A module designed to switch between mains power and battery backup to provide an uninterrupted power supply.
• Pins: DC-, DC+, BAT+, BAT-, OUT+, OUT-

POWER SUPPLY 12V 5AMP

• Description: A power supply unit that converts 220V AC to a 12V-24V DC output.
• Pins: 220V Positive Pole (AC), 220V Negative Pole (AC), GND, GND (DC), 12V-24V Output (DC)

XL4016 (x2)

• Description: A DC-DC converter module capable of stepping down voltage with high efficiency.
• Pins: In+, In-GND, Out-GND, Out+

AC Wire

• Description: A wire used to connect the circuit to the AC mains.
• Pins: Line, Earth, Neutral

18650 Li-ion Battery x 2 (x2)

• Description: Two sets of 18650 Li-ion batteries providing a rechargeable power source.
• Pins: +, -

Toggle Switch SPST

• Description: A single-pole single-throw switch used to manually open or close the circuit.
• Pins: L1, COM

Wiring Details

UPS Module

• DC-: Connected to XL4016 In-GND and POWER SUPPLY GND (DC)
• DC+: Connected to XL4016 In+ and POWER SUPPLY 12V-24V Output (DC)
• BAT+: Connected to 18650 Li-ion Battery + and XL4016 Out+
• BAT-: Connected to 18650 Li-ion Battery - and XL4016 Out-GND
• OUT+: Connected to XL4016 In+
• OUT-: Connected to XL4016 In-GND

POWER SUPPLY 12V 5AMP

• 220V Positive Pole (AC): Connected to Toggle Switch COM
• 220V Negative Pole (AC): Connected to AC Wire Neutral
• GND: Connected to AC Wire Earth
• GND (DC): Connected to UPS Module DC- and XL4016 In-GND
• 12V-24V Output (DC): Connected to UPS Module DC+ and XL4016 In+

XL4016

• In+: Connected to UPS Module DC+ and OUT+
• In-GND: Connected to UPS Module DC- and OUT-
• Out-GND: Connected to UPS Module BAT- and 18650 Li-ion Battery -
• Out+: Connected to UPS Module BAT+ and 18650 Li-ion Battery +

AC Wire

• Neutral: Connected to POWER SUPPLY 220V Negative Pole (AC)
• Earth: Connected to POWER SUPPLY GND
• Line: Connected to Toggle Switch L1

18650 Li-ion Battery x 2

• +: Connected to UPS Module BAT+ and XL4016 Out+
• -: Connected to UPS Module BAT- and XL4016 Out-GND

Toggle Switch SPST

• L1: Connected to AC Wire Line
• COM: Connected to POWER SUPPLY 220V Positive Pole (AC)

Documented Code

No microcontroller code has been provided for this circuit. If the circuit includes a microcontroller or any programmable device, please provide the relevant code for documentation.