Below is the circuit diagram of an automatic charger circuit designed using the TL431. This IC is widely used in power supply and voltage regulation applications due to its high accuracy and stability.
The TL431-based automatic charger circuit is a popular choice for battery charging systems because it offers precise control over the charging voltage, ensuring safe and efficient charging. It can be used with various types of batteries, including lead-acid, lithium-ion, and nickel-based batteries.
This design typically includes components such as resistors, capacitors, diodes, and transistors to form a complete charging system. The TL431 acts as a programmable precision reference, allowing the user to set the desired output voltage based on their specific needs.

If you're working on a DIY project or looking to understand how modern charging circuits operate, studying this TL431-based design can provide valuable insights into analog electronics and power management techniques.
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