BQ24401_15 Datasheet, PDF (16/27 Pages) Texas Instruments – Programmable NiCd/NiMH Fast-Charge Management IC

bq24401
SLUS497A – SEPTEMBER 2001 – REVISED MARCH 2010
TYPICAL CHARACTERISTICS (continued)
CH1 = VO, 5V/div
CH2 = RC pin, 1V/div
1
CH1 = SNS pin, 20mV/div
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1
CH3 = MOD pin, 5V/div
CH4 = LED pin, 1V/div
Time - 10ms/div
Figure 15. bq24401 in Fast Charge
2
3
CH2 = MOD pin, 5V/div
4
2
Time - 2ms/div
Figure 16. bq24401 Fast Charge SNS and MOD Waveforms
CH1 = VO, 10V/div
1
CH2 = BAT pin, 1V/div
CH3 = RC pin, 2V/div
2
3
4
CH4 = MOD pin, 5V/div
Time - 1s/div
Figure 17. bq24401 Cycling In and Out of Sleep Mode (No battery present)
16
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