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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LP3913 Fiches technique(PDF) 25 Page - Texas Instruments |
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LP3913 Fiches technique(HTML) 25 Page - Texas Instruments |
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25 / 70 page  No Battery POWER OFF STANDBY ACTIVE POWERACK PIN AND BIT = 0 NO WA / USB CHG STANDBY BATTERY INSERT VBATT < VBLA WA AND USB REMOVED WA OR USB WA OR USB POWERACK PIN AND BIT FAILED TO GO HIGH DURING POWERUP SEQUENCE USB INSERT AND VBATT > VBLA (CHARGING IF NEEDED) POWERACK PIN OR BIT = 1 VBATT < VBLA AND NO WA ONOFF BATTERY INSERT VBATT> VBLA ONOFF AND VBATT > VBLA WA INSERT LP3913 www.ti.com SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013 FUNCTIONAL DESCRIPTION Operating Modes The LP3913 can be in 3 different operating modes as illustrated in Figure 53: Figure 53. Operating Mode State Diagram State Machine Definitions VBLA Battery low alarm threshold VBATT Battery voltage WA Wall Adapter USB Universal Serial Bus Adapter ONOFF On off pin event POWERACK Acknowledgment from the Host Processor Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 25 Product Folder Links: LP3913 |
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