Short circuit protection condition: external load short circuit
Short circuit detection delay: 250uS
Short circuit protection release condition: disconnect load
Main circuit conduction internal resistance: =20MO
Working current: =30uA
Sleep current (current over discharge): =20uA
Temperature range: -20~+80 °C
In order to achieve a better balance of equalization, try to use a 25.6V switching source to charge (slow current below 30mA).
Because the equalization current of the equalization IC is about 45mA, and most of the lithium battery chargers on the market are 25.2V, the charging current detection will stop automatically when it is lower than 100mA.
Without the balance, no electricity is charged, causing the voltage of each battery to be unbalanced. Regarding the voltage drop between the battery voltage and the output voltage,
The working principle of this type of protection board is the protection of the negative pole. Some combination will have a voltage drop of 0.1-0.3V, and it will be normal to reduce the voltage drop voltage by charging and discharging several times.
The charger should try not to use the 25V power supply. The 6-string lithium battery is fully charged at 25.2V. The 25V power supply will not be fully charged, and the protection board will not be protected.
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