1. Low-cost and simple battery constant current charging solution. (Without overvoltage power-off protection)
2. Output ripple and efficiency. The output capacitor uses 220u. The measured ripple is <100mV and the efficiency is >90%.
3. The maximum output power of 8002 is recommended to be less than 15W, and that of 8003 is recommended to be less than 20W.
4. Verification board actual measurement diagram and demonstration. (The condition for triggering constant current is that the output voltage is lower than the circuit setting voltage value)
(1) Output voltage when no load:
(2) No-load output voltage:
(3) Load test: (Set the current limit value to about 1A)
4. Attached are the datasheet and loading demonstration video.
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