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Recent content by raymond86

  1. R

    need help in designing PWM 12v lead acid battery charger

    thanks for assistin, i guess i have to get rid of the linear regulator, well the pwm wignal will be generated by a PIC16F877A microcontroller. This signal generated is used to control the buck converter in charger circuit. The system will consist of a measuring unit that will measure the...
  2. R

    need help in designing PWM 12v lead acid battery charger

    i need help in designing pwm solar lead acid battery charger. I have designed the charger circuit and when i simulated it, it worked and when i constructed it, it failed to charge the 12V battery. I have uploaded the circuit please help me rectify the problem.

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