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Motore di ricerca datesheet componenti elettronici |
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WM8351 Scheda tecnica(PDF) 157 Page - Wolfson Microelectronics plc |
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WM8351 Scheda tecnica(HTML) 157 Page - Wolfson Microelectronics plc |
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157 / 330 page  Production Data WM8351 w PD, April 2012, Rev 4.5 157 Fast charging consists of two phases: In the constant current phase, the WM8351 drives a programmable constant current into the battery through the BATT pin. During this phase, the battery voltage rises monotonically until the battery reaches the target voltage. When the battery reaches the target voltage, the charger enters the constant voltage phase, in which the WM8351 regulates BATT to the target voltage. To achieve this, the WM8351 adjusts the charge current adaptively. The charge current decreases monotonically over time. Fast charging is disabled when the current falls to a programmable ‘End of Charge’ threshold level. Figure 77 A Typical Charge Cycle |
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