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ADP5360ACBZ-1-R7 数据表(PDF) 25 Page - Analog Devices

部件名 ADP5360ACBZ-1-R7
功能描述  Advanced Battery Management PMIC with Ultra Low Power Buck and Buck Boost
PDF  60 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP5360ACBZ-1-R7 数据表(HTML) 25 Page - Analog Devices

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Data Sheet
ADP5360
Rev. 0 | Page 25 of 60
Battery Charger Operational Flow Chart
VBUSOK
Y
N
FAST CHARGE
Y
WATCHDOG
EXPIRED
START tSAFE
IBUS = 100mA
TIMER FAULT/
BAD BATTERY
RUN
BATTERY
DETECTION
VBUS_ILIM = HIGH
IVBUS = ILIM
TSD110 = HIGH
TEMP = TSD
WATCHDOG
EXPIRED
IVBUS = 100mA
TIMER FAULT/
BAD BATTERY
(SEE THE FAST CHARGE
MODE TIMER SECTION
AND THE SAFETY
TIMER SECTION)
CONSTANT CURRENT
MODE CHARGING
CONSTANT VOLTAGE
MODE CHARGING
N
N
CHARGE
COMPLETE
Y
Y
N
N
TRICKLE
CHARGE
Y
Y
N
N
Y
N
N
Y
N
N
Y
VBUSOK
VBUSOK
Y
Y
N
N
N
Y
Y
N
Y
Y
N
Y
POWER-ON RESET
RESET ALL
REGISTERS
RUN
BATTERY
DETECTION
tSTART
EXPIRED
tWD
EXPIRED
tWD
EXPIRED
tSAFE/tTRK
EXPIRED
tSAFE/tCHG
EXPIRED
VBSNS =
VTRM
VBSNS ≤
VNOBAT
VBSNS ≤
VTRM – VRCH
IOUT < IEND
POWER
DOWN
VBSNS < VTRK
IVBUS < ILIM
TEMP < TSD
START
tSAFE
VBSNS < VTRK
Figure 51. Charger Operational Flowchart
BATTERY FUEL GAUGE
General Description
The ADP5360 Li-Ion battery fuel gauge is optimized through a
hybrid algorithm to indicate battery remaining capacity. The
battery fuel gauge runs through a coulomb counter and is voltage-
based between 0% to 100%. The battery fuel gauge uses a 12-bit
ADC to measure the battery node voltage and the battery current.
The state of the charge is calculated with an adaptive filter
limitation algorithm integrated in the ADP5360. The ten open-
circuit battery values and battery capacity are based on the
battery characterization written to the V_SOC_x registers of the
ADP5360 and used for the state of charge calculation. The sense
current information, the battery capacity value, the continuous
load current, and the large voltage drop all determine the state of
the charge change rate. The fuel gauge operates as a coulomb
counter with a high accuracy calculation when high continuous



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