BQ77904_017 Datasheet, PDF (14/47 Pages) Texas Instruments – 3-5S Ultra Low-Power Voltage, Current, Temperature, and Open Wire Stackable Lithium-ion Battery Protector

bq77904, bq77905
SLUSCM3G – JUNE 2016 – REVISED SEPTEMBER 2017
8.2 Functional Block Diagram
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CCFG
VDD
AVDD
CONFIG
LOGIC
BG
REFERENCE
BIAS
VDIG
REGULATOR
AND
SHUTDOWN
POR
VTB
TS
VC5
VC4
VC3
MUX
COMPARE
1
VC2
VC1
OPEN
WIRE
EQUINOX
CONTROL
LOGIC (ECL)
EEPROM
STACK
INTERFACE
CHG
DRIVER
CTRC
CTRD
CHG
CHGU
MUX
COMPARE
2
DSG
DRIVER
DSG
SRP
SRN
STATE
COMPARE
LOAD
DETECTION
LD
CLOCK
and
WDT
AVSS
DVSS
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Figure 8. bq77904 and bq77905 Block Diagram
14
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