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LP3910 датащи(PDF) 49 Page - Texas Instruments

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номер детали LP3910
подробное описание детали  Power Management IC for Hard-Drive-Based Portable Media Players
PDF  72 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LP3910 датащи(HTML) 49 Page - Texas Instruments

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ONSTAT
VBUCK1
NRST
PowerACK
VBUCK2
or
ONOFF
External Events
Power Down Caused by Expiring PowerACK deadline
x
(If LDO2ENB is logic 1 during NRST Low,
otherwise LDO2 are pin or register enabled)
VLDO1, VLDO2
BUCK/BOOST
PowerACK deadline (expired)
CHG_DET/USBPWR
(From Microprocessor)
(Bit D4 in PON register and
POWERACK pin)
(To Microprocessor)
LP3910
www.ti.com
SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015
Figure 68. Power Down Caused by Expiring PowerACK Deadline
8.4.2.5.3
Transition From Charger Standby Mode to Either Active or Standby Mode
While in charger standby mode, the battery is charged using the default values of IPROG, EOC, VTERM, battery
temperature range, and USB ISEL. In charger standby mode, all the regulators and the I
2C are disabled. A new
power-on event is required to transition back to active mode. Removing the charger during charger standby
mode causes a transition back to standby mode.
Copyright © 2006–2015, Texas Instruments Incorporated
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Product Folder Links: LP3910



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