BQ24292I Datasheet, PDF (5/42 Pages) Texas Instruments – I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG

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bq24292i
SLUSBI4 – APRIL 2013
FUNCTIONAL BLOCK DIAGRAM
VBUS
V_{(VBUS_UVLOZ)}
V_(BATZ) + V_(SLEEP)
V_(ACOV)
V_INDPM
I_INDPM
IC T_J
T_REG
SYS
V_SYSMIN
UVLO
SLEEP
ACOV
EN_HIZ
REGN
LDO
FBO
VBUS
V_{(OTG_OVP)}
VBUS_OVP_BOOST
I(Q2)
I_{(OTG_HSZCP)}
Q2_UCP_BOOST
Q1
Q1 Gate
Control
I(Q3)
I_{(OTG_ILIM)}
Q3_OCP_BOOST
CONVERTER
CONTROL
BAT _BATOVP
V_{(BAT_REG)} x V_(BATOVP)
BAT
I_{(LSFET_UCP)}
VBAT_REG
I(Q3)
UCP
Q2
REGN
Q2_OCP
Q3
I(Q2)
I_{(HSFET_OCP)}
I_{CHG_REG}
EN_HIZ
EN_CHARGE
EN_BOOST
REFRESH
V_(BTST-SW)
V_{(BTST_REFRESH)}
PMID
REGN
BTST
SW
PGND
ILIM
PSEL
OTG
INT
STAT
PG
USB Host
Adapter
Detection
I_CHG
REF
DAC
USB
Adapter
1.5A
I2C
Interface
BAD_SRC
CONVERTER
CONTROL
STATE ^TSHUT
MACHINE
BAT_GD
I_(BADSRC)
I_DC
IC T_J
T_SHUT
BAT
V_(BATGD)
V_{BAT_REG}
I_{CHG_REG}
RECHRG
V_{(BAT_REG)} - V_(RECHG)
BAT
CHARGE
CONTROL
STATE
MACHINE
TERMINATION
I_CHG
I_TERM
SUSPEND
BATLOWV
V_(BATLOWV)
BAT
BATSHORT
V_(SHORT)
BAT
Q4 Gate
Control
Q4
BATTERY
THERMISTER
SENSING
SCL SDA
CE
SYS
BAT
TS1
TS2
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