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BQ24073RGTTG4 Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ24073RGTTG4
Description  1.5A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24073RGTTG4 Datasheet(HTML) 8 Page - Texas Instruments

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SIMPLIFIED BLOCK DIAGRAM
USB100
USB500
VREF- ILIM
USB-susp
ShortDetect
ShortDetect
TJ(REG)
TJ
VDPPM
VOUT
VBAT(REG)
VBAT(SC)
VO(REG)
VO(SC1)
OUT-SC1
BAT-SC
Q1
Q2
VLOWV
VRCH
INTC
VHOT
VCOLD
tDGL(NO-IN)
t DGL(PGOOD)
tBLK(OVP)
VBAT + VIN-DT
VUVLO
VOVP
VIN
Dynamically
Controlled
Oscillator
VIPRECHG
VICHG
VISET
~100mV
Fast-Charge
Timer
Pre-Charge
Timer
Halttimers
Timerfault
EN1
EN2
USBSuspend
EN2
CE
IN
EN1
EN2
CHG
PGOOD
TS
TD
(bq24072,
bq24073)
OUT
BAT
ISET
ILIM
TMR
ChargeControl
VIN-LOW
VBAT
OUT-SC2
Resettimers
t DGL(TS)
Timersdisabled
IBIAS- ITERM
ITERM
bq24074
VOUT
Supplement
I TERM-floating
t DGL(SC2)
VBAT
250mV
40mV
VDIS(TS)
~3V
225mV
(’72, ’73, ’75)
2.25V
Fastcharge
225mV
Precharge
SYSOFF
bq24075
CHARGEPUMP
bq24072, bq24073
bq24074, bq24075
SLUS810A – SEPTEMBER 2008 – REVISED DECEMBER 2008...................................................................................................................................... www.ti.com
8
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): bq24072 bq24073 bq24074 bq24075


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