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參數資料
| 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： | 33/46頁 |
| 文件大小： | 364K |
| 代理商： | BQ2060SS |
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C is 0%, 3%, or
Battery Low %
for EDV0, EDV1, and
EDV2, respectively and C0 is the capacity related
EDV adjustment factors. C0 is programmed in the
lower 11 bits of
EDV C0 Factor/EDV2
EE 0x78–79.
The
Residual Capacity Factor
is stored in the upper 5
bits ofEE 0x78–0x79.
Residual Capacity FactorC1 RESIDUAL
%
.56
RESIDUAL % is the desired battery capacity remaining
at EDV0(RM=0).
Tis the current temperature in
°
K
R0
F
TZ
represents the resistance of the battery as a
function oftemperature and capacity.
F
TZ
= f ( R1 , T0, T, C + C1)
(11)
R0 is the first order rate dependency factor stored in
EDVR0 Factor
EE 0x7a–0x7b.
T is the current temperature; C is the battery
capacity relating to EDV0, EDV1, and EDV2; and C1
is the desired residual battery capacity remaining at
EDV0(RM=0).
R1 adjusts the variation of impedance with battery
capacity. R1 is programmed in
EDV R1 Rate Factor
EE 0x7c–0x7d.
T0 adjusts the variation of impedance with battery
temperature.
T0 is programmed in
EDV T0 Rate
Factor
EE 0x76–0x77.
F
CY
is the factor that adjusts for changing cell imped-
ance as the battery pack is cycled.
where
F
CY
= f(A0, CycleCount())
(12)
A0 is the EDV aging factor that is stored in
EDV A0
Factor
EE 0x06.
Typical values for the EDV compensation factors for a
Li-Ion 3s3p 18650 pack are
EMF =11550
T0=4475
C0=235
C1=0
R0=5350
R1=250
A0=4.96%/1000CYCLES
The graphs in Figures 7 and 8 show the calculated
EDV0, EDV1, and EDV2 thresholds versus capacity us-
ing the typical compensation values for different tem-
peratures and loads for a Li-Ion 3s3p 18650 pack. The
compensation values vary widely for different cell types
and manufacturers and must be matched exactly to the
unique characteristics foroptimal performance.
Overload Current Threshold
The
Overload Current
threshold is a 16-bit value stored
in EE 0x46-0x47in mAunits.
33
Battery Low %= 7%, Load = 500mA
7500
8000
8500
9000
9500
10000
10500
11000
EDV2
11500
10
9
8
7
6
5
4
3
2
1
0
% Capacity
V
45C/500mA
20C/500mA
EDV1
Figure 7. EDV Calculations vs. Capacity
for Various Temperatures
Battery Low %
=7%, Temperature = 35 C
EDV0
10000
EDV2
10500
8000
7500
9000
8500
9500
11000
11500
10
9
8
7
6
5
4
3
2
1
0
% Capacity
V
35C/2A
35C/500mA
35C/1A
Figure 8. EDV Calculations vs. Capacity
for Various Loads
bq2060
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相關代理商/技術參數 |
參數描述 |
|---|---|
| BQ2060SS-E207-EP | 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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 |
| BQ2060SS-E207-EPG4 | 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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 |
| BQ2060SS-E207TR-EP | 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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 |
| BQ2060SSE207TREPG4 | 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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 |
| BQ2060SS-E411 | 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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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