This article introduces the circuit diagram of a two-stage constant current voltage - limited lead-acid battery charger:
The charging process is divided into:
1.Maintenance charging;
2. Fast charging;
3. Pressure-limited float charge;
4. Protection and charging indication circuit.
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Recommended ReadingLatest update time:2024-11-16 17:42
Countermeasures for Radiated Emission Exceeding Standards of Low-Power Portable Audio Products (including Chargers and DC-DC)
summary Low-power portable electronic products currently use lithium batteries and Boost (Buck) chips to power MCU, Audio, and display devices. Such products are usually powered by adapters, and the design requires that the charging part must pass the test and comply with EMC standards when working. Generally speakin
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