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參數資料
| 型號： | bq2052 |
| 廠商： | Benchmark Technology Group |
| 英文描述： | Gas Gauge IC for Lithium Primary Cells(Gas Gauge 芯片（用于鋰電池）) |
| 中文描述： | 氣體計IC（電量監(jiān)測計芯片（用于鋰電池），鋰原電池） |
| 文件頁數： | 14/18頁 |
| 文件大小： | 161K |
| 代理商： | BQ2052 |
14
DC Electrical Characteristics
(TA= TOPR)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
V
CC
Supply voltage
3.0
4.25
6.5
V
V
CC
excursion from < 2.0V to
≥
3.0V initializes the unit.
DISP = V
CC
I
REF
= 5
μ
A
I
REF
= 5
μ
A
V
REF
= 3V
V
CC
= 3.0V, HDQ = 0
V
CC
= 4.25V, HDQ = 0
V
CC
= 6.5V, HDQ = 0
V
OS
Offset referred to V
SR
Reference at 25°C
Reference at -40°C to +85°C
Reference input impedance
-
±
50
6.0
-
5.0
90
120
170
-
-
-
-
-
-
-
-
-
-
±
150
6.3
7.5
-
135
180
250
V
CC
-
5
0.2
100
-
-
-
V
SS
+ 0.2
float
μ
V
V
V
M
μ
A
μ
A
μ
A
V
M
μ
A
μ
A
nA
K
M
V
V
V
V
REF
5.7
4.5
2.0
-
-
-
0
10
-
-0.2
-
500
10
R
REF
I
CC
Normal operation
V
SB
R
SBmax
I
DISP
I
LCOM
I
RBI
R
HDQ
R
SR
V
IHPFC
V
ILPFC
V
IZPFC
Battery input
SB input impedance
DISP input leakage
LCOM input leakage
RBI data retention current
Internal pulldown
SR input impedance
PROG logic input high
PROG logic input low
PROG logic input Z
0 < V
SB
< V
CC
V
DISP
= V
SS
DISP = V
CC
V
RBI
> V
CC
< 3V
V
SR
< V
CC
PROG
1-6
PROG
1-6
PROG
1-6
V
CC
= 3V, I
OLS
≤
1.75mA
SEG
1
–
5
, CP
V
CC
= 6.5V, I
OLS
≤
11.0mA
SEG
1
–
5
, CP
V
CC
= 3V, I
OHLCOM
=
-5.25mA
V
CC
> 3.5V, I
OHLCOM
=
-33.0mA
At V
OLSH
= 0.4V, V
CC
= 6.5V
At V
OL
= V
SS
+ 0.3V, HDQ
I
OL
≤
5mA, HDQ
HDQ
HDQ
V
CC
- 0.2
-
float
V
OLSL
SEG output low, low V
CC
-
0.1
-
V
V
OLSH
SEG output low, high V
CC
-
0.4
-
V
V
OHML
LCOM output high, low V
CC
V
CC
- 0.3
-
-
V
V
OHMH
LCOM output high, high V
CC
V
CC
- 0.6
-
-
V
I
OLS
I
OL
V
OL
V
IHDQ
V
ILDQ
SEG sink current
Open-drain sink current
Open-drain output low
HDQ input high
HDQ input low
Soft pull-up or pull-down resis-
tor value (for programming)
Float state external impedance
11.0
5.0
-
2.5
-
-
-
-
-
-
-
-
mA
mA
V
V
V
0.3
-
0.8
R
PROG
-
-
200
K
PROG
1
–PROG
6
R
FLOAT
-
5
-
M
PROG
1–6
Note:
All voltages relative to V
SS
.
bq2052
Preliminary
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