BQ2000_15 Datasheet, PDF (16/29 Pages) Texas Instruments – Programmable Multi-Chemistry Fast-Charge Management IC

bq2000
SLUS138D – JANUARY 2008 – REVISED DECEMBER 2009
TYPICAL CHARACTERISTICS
CH1 = RC pin, 2V/div
CH2 = MOD pin, 5V/div
1
CH1 = RC pin, 2V/div
2
CH2 = MOD pin, 5V/div
CH3 = VI, 5V/div
CH3 = VO, 5V/div
CH4 = LED pin, 5V/div
3
CH4 = LED pin, 5V/div
4
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1
2
3
4
Time - 0.2s/div
Figure 12. bq2000 Start-up on Battery Insertion
CH1 = VO, 5V/div
1
Time - 0.2s/div
Figure 13. bq2000 Start-up on Vin
CH1 = VO, 5V/div
CH2 = RC pin, 1V/div
1
CH2 = BAT pin, 1V/div
CH3 = MOD pin, 5V/div
2
2
3
CH3 = MOD pin, 5V/div
3
CH4 = LED pin, 1V/div
4
Time - 0.5s/div
Figure 14. Battery Removal During Fast Charge
Time - 0.5ms/div
Figure 15. bq2000 in Fast Charge
16
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