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LP3913 Datasheet(PDF) 25 Page - Texas Instruments

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No. de pieza LP3913
Descripción Electrónicos  Power Management IC for Flash Memory-Based Portable Media Players
PDF  70 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LP3913 Datasheet(HTML) 25 Page - Texas Instruments

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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
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Product Folder Links: LP3913



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