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ICS1722MT Datasheet(PDF) 4 Page - Galaxy Power, Inc. |
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ICS1722MT Datasheet(HTML) 4 Page - Galaxy Power, Inc. |
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4 / 24 page  4 ICS1722 Figure 3: Cycle-to-cycle increase of the soft-start current pulse widths The amplitude of the current pulse is determined by system parameters such as the current capability of the charging system, the desired charge rate, the cell capacity and the ability of that cell to accept the charge current. The ICS1722 can be set for nine user- selectable fast charge rates from 15 minutes (4C) to four hours (C/4). Charge pulses occur approximately every second. The CMN indicator is activated continuously during this stage. Fast Charge In the second stage, the ICS1722 applies the charging current in a series of charge and discharge pulses. The technique consists of a positive current charging pulse followed by a high current, short duration discharge pulse. The cycle, shown with charge, discharge, rest and data acquisition periods in Figure 4, repeats every second until the batteries are fully charged. Figure 4: Charge cycle showing charge and discharge current pulses fast charge pulse width acquisition time rest time rest time discharge pulse width voltage cycle time Initial Pulse Width cycle time cycle time cycle time Initial Pulse Width Initial Pulse Width increment time 2 x increment time |
Similar Part No. - ICS1722MT |
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Similar Description - ICS1722MT |
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