參數(shù)資料
型號: BQ2060SS
英文描述: Silicon Bridge Rectifiers
中文描述: 集成電路表面貼裝,棉絮電荷監(jiān)視器
文件頁數(shù): 11/46頁
文件大?。?/td> 364K
代理商: BQ2060SS
remain positive as measured by the VFC during this
time period.
Once the bq2060 detects a primary charge termination,
the bq2060 sets the TERMINATE_CHARGE_ALARM
and FULLY_CHARGED bits in BatteryStatus(), and
sets the ChargingCurrent() to the maintenance charge
rate as programmed in
Maintenance Charging Current
EE 0x1c–0x1d. On termination, the bq2060 also sets
RM to a programmed percentage of FCC, provided that
RelativeStateOfCharge() is below the desired
percentage of FCC and the CSYNC bit in
Pack Configu-
ration
EE 0x3f is set. If the CSYNC bit is not set and
RelativeStateOfCharge() is less than the programmed
percentage
of FCC,
the
FULLY_CHARGED bit in BatteryStatus().
grammed percentage of FCC,
Fast Charge Termination
%
, is set in EE 0x4b. The bq2060 clears the
FULLY_CHARGED bit when RelativeStateOfCharge()
is less than the programmed
Fully Charged Clear
%.
The bq2060 broadcasts the fast-charge rate when the
FULLY_CHARGED bit is cleared and voltage and tem-
bq2060
clears
the
The pro-
11
Preliminary
bq2060
Battery State
Conditions
CC() State and
BatteryStatus Bits Set
CC() = Fast or Pre-charge Current
and/or Bits Cleared
Overcurrent
C() > CC() +
Overcurrent
Margin
CC() = 0, TCA= 1
C() < CC() +
Overcurrent Margin
Overvoltage
V() > CV() +
Overvoltage
Margin
VCELL1, 2, 3, or 4 >
Cell
Under/Over Voltage
TCA= 1
DISCHARGING = 1
CC() = 0, CVOV = 1
V()<CV()+
OvervoltageMargin
Li-Ion cell voltage <
Cell Under/Over
Voltage
Overtemperature
T() >
MaxT
CC() = 0, OTA= 1,
TCA= 1, CVOV = 1
T() <
MaxT
- 5
°
C or T() < 43
°
C
Overcharge
RM() > FCC +
Maximum
Overcharge
CC() = 0, FC = 1
RSOC() <
Fully Charged Cleared%
OCA= 1, TCA= 1
DISCHARGING = 1
Undertemperature
T() < 0
°
C
CC() = 0
0
°
C
≤ Τ() <
5
°
C, CC() =
Pre-ChargeCur-
rent
T() > 5
°
C, CC() =
Fast-Charging Current
Fast charge
termination
T/
t or Current Taper
CC() = 0, FC = 1
RSOC() <
Fully Charged Cleared%
TCA= 1
DISCHARGING = 1 or termination con-
dition is no longer valid.
Fully discharged
V() < EDV2
FD = 1
RSOC() > 20%
Overdischarged
V() < EDV0
VCELL1, 2, 3 or 4 <
Cell
Under/Over Voltage
TDA= 1, CVUV = 1
V() > EDV0
VCELL1, 2, 3, or 4 >
Cell Under/Over
Voltage
Low capacity
RM() < RCA()
RCA= 1
RM()
RCA()
Low run-time
ATTE() < RTA()
RTA= 1
ATTE()
RTA()
Note:
C() = Current(), CV() = ChargingVoltage(), CC() = ChargingCurrent(), V() = Voltage(), T() = Tempera-
ture(), TCA= TERMINATE_CHARGE_ALARM, OTA= OVER_TEMPERATURE_ALARM, OCA=
OVER_CHARGED_ALARM, TDA= TERMINATE_DISCHARGE_ALARM, FC = FULLY_CHARGED,
FD = FULLY_DISCHARGED, RSOC() = RelativeStateOfCharge(). RM() = RemainingCapacity(),
RCA= REMAINING_CAPACITY_ALARM, RTA= REMAINING_TIME_ALARM, ATTE() =
AverageTimeToEmpty(), RTA() = RemainingTimeAlarm(), RCA() = RemainingCapacityAlarm().
Table 6. Alarm and Status Bit Summary
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