BQ24600_1 Datasheet, PDF (8/31 Pages) Texas Instruments – Stand-Alone Synchronous Switch-Mode Li-Ion or Li-Polymer Battery Charger with Low Iq

bq24600
SLUS891 – FEBRUARY 2010
www.ti.com
PH
HIDRV
LODRV
IL
t − Time = 40 ns/div
Figure 6. Continuous Conduction Mode Switching Waveform
PH
LODRV
IL
t − Time = 40 ns/div
Figure 7. Cycle-by-Cycle Synchronous to Nonsynchronous
PH
PH
LODRV
IL
VBAT
t − Time = 200 ms/div
Figure 8. Battery Insertion
105
IL
VBAT
t − Time = 4 ms/div
Figure 9. Battery to GND Short Protection
100
28 Vin, 6 cell
24 Vin, 5 cell
95
90
20 Vin, 4 cell
85
20 Vin, 3 cell
12 Vin, 2 cell
12 Vin, 1 cell
80
0
1
2
3
4
5
6
7
8
IBAT - Output Current - A
Figure 10. Efficiency vs Output Current
8
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