ISL78610 Datasheet, PDF (16/98 Pages) Intersil Corporation – Multi-Cell Li-Ion Battery Manager

ISL78610
Performance Curves These performance curves are based on characterization of devices mounted on evaluation boards.
20
15
10
5
0
-5
-10
-15
-20
0.5
2.6
3
3.3
3.6
4
4.5
CELL VOLTAGE (V)
50
40
30
20
10
0
-10
-20
-30
-40
-50
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (^oC)
FIGURE 5. CELL VOLTAGE READING ERROR FROM -20°C TO +60°C
FIGURE 6. CELL VOLTAGE READING ERROR 3.0V TO 3.6V PER CELL
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
-1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5
READING ERROR (mV)
FIGURE 7. INITIAL CELL VOLTAGE ACCURACY FROM EVALUATION
BOARDS AT 3.3V, +25°C HISTOGRAM
35
30
25
20
15
10
5
0
-4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10
READING ERROR (mV)
FIGURE 8. CELL READING ERROR FROM EVALUATION BOARDS AT
CELL VOLTAGE FROM 2.6V TO 4.0V, AND -20°C TO
+60°C HISTOGRAM
300
250
200
150
100
50
0
-50
-100
-150
0
101
102
103
104
105
106
107
108
109
110
5 10 15 20 25 30 35 40 45 50 55 60
PACK VOLTAGE (V)
FIGURE 9. PACK VOLTAGE READING ERROR AT +25°C (MULTIPLE
BOARDS)
180
160
140
120
100
80
60
40
20
0
-20
-40
-60
-40
6V
36V
43.2V
54V
31.2V
39.6V
48V
10
60
110
160
TEMPERATURE (^oC)
FIGURE 10. AVERAGE PACK VOLTAGE READING ERROR AT 6V to 54V
PACK VOLTAGE
Submit Document Feedback ₁₆
FN8830.1
June 16, 2016