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BQ25730: Lead crystal battery charger selection

Part Number: BQ25730


Hi

The customer need the charge management of lead crystal (colloid) batteries, as well as power supply and path management of loads.

The battery is connected in 2 series with 12V batteries, the output voltage is 24V and a charging current is 5A.

Battery characteristics:

1. The critical temperature for low-temperature charging and discharging of lead crystal batteries is -40 ℃

2. Charge at room temperature (25 ℃± 3 ℃) with a constant voltage of 2.4V/cell at a current of 0.1C~0.25C for 12-24 hours. After complete discharge, charge quickly at a rate of 0.6CA~0.8CA 

Please help recommend the suitable charger with the power path.

Waiting for your reply.

Thanks

Star