Long delay constant current charging circuit
Source: InternetPublisher:ghaytweyhtoo Keywords: constant current charging circuit CD4541 power supply Updated: 2020/10/23
Long delay constant current charging circuit
Shown is a long-delay constant current charging circuit using CD4541 , which is suitable for charging Ni-Cd batteries. When the power is turned on, the CD4541@ pin outputs a high level to turn on the electronic switch TWH8778, and the constant current
source
composed of LM317 charges the battery. After
more than ten hours, the CD4541 output becomes low level. TWH8778 cuts off the power supply and charging ends.
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