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BQ24190RGER Datasheet(PDF) 12 Page - Texas Instruments

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Part # BQ24190RGER
Description  I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24190RGER Datasheet(HTML) 12 Page - Texas Instruments

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STAT
SCL
SDA
FBO
CONVERTER
CONTROL
PGND
REGN
BTST
REGN
PG(192/192I)
TSHUT
T
SHUT
IC T
J
TS1
REGN
LDO
bq2419x
PMID
Q1
VBUS
Q3
Q2
SW
Q4
SYS
BAT
CHARGE
CONTROL
STATE
MACHINE
I2C
Interface
INT
I
INDPM
I
CHG_REG
V
SYSMIN
V
BAT_REG
IC T
J
T
REG
BATLOWV
BAT
V
(BATLOWV)
SUSPEND
RECHRG
BAT
V
- V
(BAT_REG)
(RECHG)
REFRESH
V
(BTST_REFRESH)
V
(BTST-SW)
UCP
I
(LSFET_UCP)
I(Q3)
BATOVP
V
x V
(BAT_REG)
(BATOVP)
BAT
V
INDPM
PSEL(192/192I)
D+ (190)
D– (190)
USB Host
Adapter
Detection
OTG
EN_CHARGE
EN_BOOST
BAD_SRC
I
(BADSRC)
I
DC
BAT_GD
V
(BATGD)
BAT
EN_HIZ
USB
Adapter
1.5A
TERMINATION
I
TERM
I
CHG
BATSHORT
BAT
V
(SHORT)
CONVERTER
CONTROL
STATE
MACHINE
Q2_OCP
I
(HSFET_OCP)
I(Q2)
SYS
BAT
REF
DAC
I
CHG_REG
V
(VBUS_UVLOZ)
UVLO
V
+V
(BATZ)
(SLEEP)
SLEEP
V
(AC0V)
ACOV
EN_HIZ
CE
ILIM
TS2
I
CHG
V
BAT_REG
Q4 Gate
Control
bq24192I
bq24190/192
Q3_OCP_BOOST
I
(OTG_ILIM)
I(Q3)
Q2_UCP_BOOST
I
(OTG_HSZCP)
I(Q2)
VBUS_OVP_BOOST
V
(OTG_OVP)
VBUS
BATTERY
THERMISTER
SENSING
(bq24190/192/
192I Hot/Cold)
Q1 Gate
Control
bq24190, bq24192, bq24192I
SLUSAW5B – JANUARY 2012 – REVISED DECEMBER 2014
www.ti.com
9 Detailed Description
9.1 Overview
The bq24190, bq24192, bq24192I is an I2C controlled power path management device and a single cell Li-Ion
battery charger. It integrates the input reverse-blocking FET (RBFET, Q1), high-side switching FET (HSFET, Q2),
low-side switching FET (LSFET, Q3), and BATFET (Q4) between system and battery. The device also integrates
the bootstrap diode for the high-side gate drive.
9.2 Functional Block Diagram
12
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Copyright © 2012–2014, Texas Instruments Incorporated
Product Folder Links: bq24190 bq24192 bq24192I


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