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| BQ25120_15 Datasheet, PDF (14/68 Pages) Texas Instruments – bq25120 700-nA Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT | |||
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BQ25120
SLUSBZ9A â AUGUST 2015 â REVISED AUGUST 2015
Insert Battery <
VBATSHORT
VBAT
VBAT=VBUVLO
IBAT = IBATSHORT
IBAT
IBAT = ICHG
VIN
CD
Device enters Active Battery
Mode after valid /MR
EN_SHIPMODE
MR
User depresses button
RESET
INT
MR_WAKE1
Interrupt
MR_WAKE1 time reached
MR_WAKE2 time reached
MRRESET time reached
tRESET
MR_WAKE2
Interrupt
BAT IQ
SYS
<1uA max <3uA max
After delay of several ms ,
SYS starts to rise
<1uA max
www.ti.com
VBAT=VBUVLO
<3uA max
SYS is pulled down shortly
after VBATUVLO is reached
Conditions: SW_LDO = 1, MRREC = 1, PG and INT pulled up to SYS, ISYS = 10 µA
Figure 2. Battery Operation and Sleep Mode
14
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Product Folder Links: BQ25120
Copyright © 2015, Texas Instruments Incorporated
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