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The main function of the PWM solar controller

2022-02-23
The PWM solar controller refers to the control of the analog circuit in digital output with the microprocessor, which is a method of digitally encoding an analog signal level. Control the analog circuit in a digital manner, it can greatly reduce the cost and power consumption of the system. Many microcontrollers include a PWM controller.
Basic principles of the PWM solar charge controller: The impulse is equal and the narrow pulse of the shape is the same as the inertial link. The PWM solar control principle is to divide the waveform into 6 equals, can be replaced by six square wave equivalents. Classification methods for pulse width modulation include a variety of unipolar and bipolar, synchronous and asynchronous, rectangular wave modulation, and sine wave modulation.

Top ten main functions:

1, overpressure protection

2, undervoltage protection

3, over-power protection

4, short circuit protection

5, AC input undervoltage protection

6, PG circuit

7, remote power-on signal

8, power-on signal and PG signal delay

9, two bypass regulator TL431 to stabilize 3.3V and 5V independent power supply

10, soft start and maximum 93% duty cycle