BQ24004 Datasheet, PDF (19/22 Pages) Texas Instruments – TWO-CELL Li-ION CHARGE MANAGEMENT IC FOR PDAs AND INTERNET APPLIANCES

www.ti.com
THERMAL INFORMATION
bq24004
bq24005
bq24006
SLUS476B – DECEMBER 2000 – REVISED MAY 2002
THERMAL RESISTANCE
vs
COPPER HEAT-SINK AREA
150
125
Natural Convection
50 ft/min
100 ft/min
100
150 ft/min
200 ft/min
75
50
250 ft/min
300 ft/min
25
0 0.3 1
2
3
4
5
6
7
8
Copper Heat-Sink Area – cm2
Figure 21
19