參數(shù)資料
型號(hào)： bq2060
廠商： Benchmark Technology Group
英文描述： SBS v1.1-Compliant Gas Gauge IC(Gas Gauge芯片)
中文描述： 銀紫荊星章1.1版兼容的氣體計(jì)IC（電量監(jiān)測(cè)計(jì)芯片）
文件頁(yè)數(shù)： 12/45頁(yè)
文件大?。?/td> 457K
代理商： BQ2060
The bq2060 broadcasts the fast-charge rate when the
FULLY_CHARGE D bit is cleared and voltage and tem-
perature permit. T he bq2060 clears the T E R MI-
NATE _CHARGE _AL ARM when it no longer detects
that the battery is being charged or it no longer detects
the termination condition. See Table 6 for a summary
of BatteryStatus() alarm and status bit operation.
Display Port
General
The display port drives a 4 or 5 LED bar-graph display.
The display is activated by a logic signal on the DISP in-
put. The bq2060 can display RM in either a relative or
absolute mode with each LED representing a percentage
of the full-battery reference.
bq2060 uses FCC as the full-battery reference; in abso-
lutemode, it uses DC.
In relative mode, the
The DMODE bit in
Pack Configuration
programs the
bq2060 for the absolute or relative display mode. The
LED bit in
Control Mode
programs the 4 or 5 LED op-
tion. A 5th LED can be used with the 4 LED display op-
tion toshow when thebattery capacity is equal to100%.
Activation
T he display may be activated at any time by a
high-to-low transition on the DISP input. This is usually
accomplished with a pullup resistor and a pushbutton
switch.
Detection of the transition activates the dis-
play and starts a display timer that advances for four
seconds. The timer expires and turns off the display
whether DISP was brought low momentarily or held low
indefinitely. Reactivation of the display requires that the
DISP input return to a logic-high state and then transi-
tion low again. The second high-to-low transition must
occur after the display timer expires.
quires the DISP input to remain stable for a minimum
of 250ms todetect thelogic state.
The bq2060 re-
If the EDV0 bit is set, the bq2060 disables the LED dis-
play. The display is also disabled during a VFC calibra-
tion and should be turned off before entering low-power
storagemode.
Display Modes
In relative mode, each LED output represents 20% or
25% of the RelativeStateOfCharge() value. In absolute
mode, each LED output represents 20% or 25% of the
AbsoluteStateOfCharge() value. Table 7 shows the dis-
play operation.
In either mode, the bq2060 blinks the LED display if
R emainingC apacity() is less than R emaining
CapacityAlarm(). Unless noted, EDV0 = 0.
Secondary Protection for Li-Ion
Undervoltage and overvoltage thresholds may be pro-
grammed in the byte value
Cell Under/ Over Voltage
EE
0x4a to set a secondary level of protection for Lithium
Ion cells. The bq2060 checks individual cell voltages for
undervoltage and overvoltage conditions.
displays the results in the Pack Status register and con-
trols the state of the FET control outputs CFC and DFC.
The bq2060
If any cell voltage is less than the V
threshold, the
bq2060 sets the CVUV bit in Pack Status and pulls the
DFC pin to a logic low. If any cell voltage is greater than
12
bq2060
Battery
State
Conditions
Active
Pin
Low
Overvoltage
V() > CV() +
Overvoltage
Margin
VCELL1, 2, 3, or 4 >
Cell
Under / Over Voltage
CFC
Overtemperature T() >
Max T
CFC
Undervoltage
VCELL1, 2, 3, or 4 <
Cell
Under / Over Voltage
DFC
Condition
Relative or
Absolute
StateOfCharge()
EDV0 = 1
<
20%
≥20%, <40%
≥40%, <
60%
≥60%, <
80%
≥
80%
5 LED Display Option
LED1
LED2 LED3 LED4
LED5
OFF
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
Condition
Relative or
Absolute
StateOfCharge()
EDV0 = 1
<
25%
≥25%, <
50%
≥50%, <
75%
≥75%
4 LED Display Option
LED1
LED2
LED3
LED4
OFF
ON
ON
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
Table 7. Display Mode
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ2060A 制造商:TI 制造商全稱:Texas Instruments 功能描述:SBS v1.1-Compliant Gas Gauge IC
BQ2060ADBQ 功能描述:電池管理 SBS V1.1 Compliant GG IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2060ADBQG4 功能描述:電池管理 SBS V1.1 Compliant GG IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2060ADBQR 功能描述:電池管理 SBS V1.1 Compliant RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2060ADBQRG4 功能描述:電池管理 SBS V1.1 Compliant RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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