參數(shù)資料
型號: bq2014H
廠商: Benchmark Technology Group
英文描述: Low-Cost NiCd/NiMH Gas Gauge IC(低價格NiCd/NiMHGas Gauge芯片)
中文描述: 低成本鎳鎘/鎳氫電池電量監(jiān)測計芯片(低價格鎳鎘/ NiMHGas計芯片)
文件頁數(shù): 18/22頁
文件大小: 185K
代理商: BQ2014H
18
DC Electrical Characteristics
(TA= TOPR)
Symbol
Parameter
Mini-
mum
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 = VCC
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
Logic input high
Logic input low
Logic input Z
0 < V
SB
< V
CC
V
DISP
= V
SS
DISP = V
CC
V
RBI
> V
CC
< 3V
-200mV < V
SR
< V
CC
PROG
1
5
PROG
1
5
PROG
1
5
V
CC
= 3V, I
OLS
1.75mA
SEG
1
–SEG
5
V
CC
= 6.5V, I
OLS
11.0mA
SEG
1
–SEG
5
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
V
OHMH
I
OLS
I
OL
V
OL
V
IHDQ
V
ILDQ
LCOM output high, low V
CC
LCOM output high, high V
CC
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
V
CC
- 0.3
V
CC
- 0.6
11.0
5.0
-
2.5
-
-
-
-
-
-
-
-
-
-
-
-
V
V
mA
mA
V
V
V
0.3
-
0.8
R
PROG
-
-
200
K
PROG
1
5
R
FLOAT
-
5
-
M
PROG
1
5
Note:
All voltages relative to V
SS
.
bq2014H
Preliminary
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