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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT9758 датащи(PDF) 38 Page - Richtek Technology Corporation |
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RT9758 датащи(HTML) 38 Page - Richtek Technology Corporation |
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38 / 61 page  RT9758 Copyright © 2023 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS9758-03 May 2023 38 Pre-Charge Level System Startup Level 7 IBAT (A) 8 6 5 4 3 2 1 CV Level End of charge current VBAT (V) Pre-charge current Constant Voltage Constant Voltage by control TA Fast Charge Fast Charge Pre-charge Time DIV2 mode Bypass mode Cap divider Charger Active Active Active Swithcing Charger Non-Active Non-Active Non-Active Non-Active Non-Active Non-Active Non-Active (Adapter Plug in) RT9758 Figure 4. Charge Profile of 1-cell Battery Application Pre-Charge Level System Startup Level IBAT (A) 5 4 3 2 1 CV Level End of charge current VBAT (V) Pre-charge current Constant Voltage Constant Voltage by control TA Fast Charge Fast Charge Pre-charge Time DIV2 mode/Bypass mode Non-Active RT9758 Swithcing Charger Non-Active Active Non-Active Active Figure 5. Charge Profile of 2-cell Battery Application While the RT9758 is charging, host needs to communicate with smart wall adapter or wireless power device to control the charging current provided by the RT9758. The communication flow between smart wall adapter, wireless power device and charge system is shown in Figure 6. In order to prevent abnormal events when charging, the RT9758 is established with many adjustable protections. All protections behavior in each operation mode that are shown in Table 3, Table 4, Table 5 and Table 6. |
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