DS2790 Maxim Integrated Products, DS2790 Datasheet - Page 3

• Manufacturer Part Number: DS2790
• Description: Programmable 1-Cell Li-Ion Fuel Gauge and Protector
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUITRY
(2.5V £ V
P0.0–P0.5 Pulse Rejection
Current Measurement Input
Range (Full Scale)
Current Measurement
Resolution
Current Measurement Offset
Error
Current Measurement Gain
Error
Accumulated Current Offset
Temperature Measurement
Resolution
Temperature Measurement
Error
Voltage Full Scale
Voltage Measurement
Resolution
Voltage Measurement Error
VIN Input Resistance
Current Measurement Sample
Frequency
Analog Timebase Frequency
Analog Timebase Error
Filter Resistors
IS1 to SNS1, IS2 to SNS2
EEPROM Copy Time
EEPROM Copy Endurance
Data EEPROM
EEPROM Copy Endurance
Program EEPROM
Output Low: CC
Output Low: DC
Output High: CC
Output High: DC
Output Resistance: CC, DC
Output Voltage: CP
Overvoltage Detect
Charge Enable
4
PARAMETER
DD
PARAMETER
£ 5.5V, T
A
= 0°C to +50°C.)
SYMBOL
SYMBOL
V
f
V
V
V
V
ERR:OSCA
V
N
V
V
IS1–
N
OHCC
OHDC
R
I
I
f
f
OLCC
OLDC
T
V
T
V
OCP
I
OERR
GERR
V
SAMP
OSCA
R
t
q
R
OV
CE
t
EECD
LSB
EEC
EECP
ERR
O
ERR
PR
LSB
LSB
CA
FS
KS
IN
V
IS2
I
(Note 3)
I
(Note 3)
I
(Note 3)
I
(Note 3)
V
I
(Note 3)
OV = 01010b,
(Note 3)
OV = 01010b,
(Note 3)
OL
OL
OH
OH
CC
OCP
Rising and Falling
Edges
OBEN = 1
OBEN = 1,
RSNS = 0.015W
(Note 4)
V
V
V
V
+ I
= 0.1mA,
= 0.1mA,
= -0.1mA,
= -0.1mA,
DD
DD
DD
DD
= 9V, V
DC
≤ 4.5V, T
≥ 2.8V
≥ 2.8V , T
≥ 2.8V , T
CONDITIONS
CONDITIONS
DS2790 Programmable 1-Cell Li-Ion Fuel Gauge and Protector
≤ 0.9mA,
3 of 41
PIN
A
A
A
= V
= 25
= 50ºC
= 50ºC
SS
o
C
50,000
1000
MIN
-7.8
-0.8
-6.3
-0.7
-64
-94
-20
15
V
-3
-2
V
0
4.330
4.230
OCP
OCP
MIN
8.5
- 0.25
- 0.25
15.625
0.125
1456
4.88
TYP
100
70
10
10
4.350
4.250
TYP
9.0
4.992
MAX
+7.8
+0.8
+0.7
+64
+20
V
+3
+2
15
0
0
DD
4.370
4.270
MAX
2.0
9.5
0.1
+ 0.1
mAh/day
mV/R
mV/R
mVh/day
UNITS
% Full
cycles
cycles
Scale
KHz
MΩ
mV
mV
mV
kΩ
ms
Hz
UNITS
ns
o
o
%
V
C
C
kΩ
SNS
SNS
V
V
V
V
V
V
V