BQ24295 Datasheet, PDF (5/45 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

bq24295
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FUNCTIONAL BLOCK DIAGRAM
VBUS
V_{VBUS_UVLOZ}
UVLO
V_BATZ +V_SLEEP
SLEEP
V_ACOV
ACOV
EN_HIZ
REGN
LDO
FBO
SLUSBC1 – SEPTEMBER 2013
RBFET (Q1)
Q1 Gate
Control
PMID
REGN
BTST
V_INDPM
I_INDPM
IC T_J
T_REG
SYS
V_SYSMIN
I(Q2)
I_{OTG_HSZCP}
Q2_UCP_BOOST
I(Q3)
I_{OTG_LSOCP}
Q3_OCP_BOOST
CONVERTER
CONTROL
BAT _BATOVP
104%xV_{BAT_REG}
BAT
V_{BAT_REG} ^ILSFET_UCP
I(Q3)
UCP
HSFET (Q2)
REGN
Q2_OCP
LSFET (Q3)
I(Q2)
I_{HSFET_OCP}
I_{CHG_REG}
EN_HIZ
EN_CHARGE
EN_BOOST
REFRESH
V_BTST-SW
V_{BTST_REFRESH}
SW
PGND
ILIM
D+
D–
OTG
INT
STAT
USB Host
Adapter
Detection
I_CHG
SYS
REF
DAC
USB
Adapter
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
BATFET (Q4)
bq24295
BATTERY
THERMISTER
SENSING
BAT
QON
TS
SCL SDA
CE
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