Sunday, October 4, 2015

Circuit Schematic 6V Solid State Switch Based on Solar Charge Control

Eltronicschool. - There are many circuit schematic designed using solar panel for many application. One application is to make solid state switch based on solar charger control using MOSFET, 555 IC, LM339, and LM317 like in Figure 1 below. (You also can read: Circuit Schematic 12V LDO Solar Charge Controller using MOSFET)

Circuit schematic

Component Parts
  1. 555 IC
  2. LM317
  3. MOSFET FPQ27p06
  4. LM339
  5. Resistors
  6. Capacitors
  7. LED
  8. Diode

Description

Circuit schematic like in Figure 1 above is Circuit Schematic 6V Solid State Switch Based on Solar Charge Control. According Electroschematics site describe that his is a Solid State Switch upgrade to the 6A, 6V Relay Based Solar Charge Regulator. Solid state switching provides longer life, smaller size and higher efficiency than a relay. In addition, the clock frequency may be doubled in order to better track battery load /charging requirements. The parts cost is essentially identical. One drawback is the loss of the secondary output feature. For more information go the above link as this write-up contains mostly supplemental information.

Application

The application for this type of charge control is one in which the battery capacity is large in respect to the charging current; e.g. 6A solar panel charging a 60AH battery in which it takes perhaps a full day’s sunshine to fully charge the battery. For much smaller batteries, the high charging rate and relatively high battery internal resistance results in excessive terminal voltage so that the control immediately interrupts charging –the end result is that the battery cannot charge fully –a linear charge regulator is more appropriate in such cases.

Please read more about Circuit Schematic 6V Solid State Switch Based on Solar Charge Control from original source using link here.


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