Constant current charging circuit long delay

  
Constant current charging circuit long delay Shown as a long delay using CD4541 constitute constant current charging circuit, suitable for Ni-Cd batteries. When the power is turned on after, CD4541 @ pin output high TWH8778 electronic switch is turned on, the
Constant current charging circuit long delay - schematic

constant current source formed by the LM317 to charge the battery. After more than ten hours later, CD4541 output goes low. TWH8778 power off, charging is completed.




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