Datasheet

DS2775/DS2776/DS2777/DS2778
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
_______________________________________________________________________________________ 7
CURRENT MEASUREMENT
ACCURACY
DS2775/6/7/8 toc07
V
SNS
(mV)
ACCURACY (μV)
0.0480.0280.008-0.012-0.032
-75
-25
25
75
125
-125
-0.052
+70°C
-20°C
+25°C
I
RC
vs. V
DD
DS2775/6/7/8 toc08
V
DD
(V)
I
RC
(mA)
54321
1
2
3
4
5
6
7
0
06
1kΩ RESISTOR FROM PLS TO PK+
CURRENT MEASUREMENT OFFSET
vs. TEMPERATURE
DS2775/6/7/8 toc09
TEMPERATURE (°C)
LSB (1.5625μV)
6040200
-4
-3
-2
-1
0
1
2
-5
-20
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)