BQ24080-Q1 Datasheet, PDF (17/28 Pages) Texas Instruments – Li-Ion and Li-Pol Automotive Charger

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9.2.3 Application Curves
bq24080-Q1, bq24081-Q1
SLUSCB6 – MAY 2015
Figure 11. Charge Enable Power-Up Sequence
(CE = High-to-Low)
No battery – In termination deglitch prior to STAT1 going high.
V_OUT (V_BAT) cycling between charge and done prior to screen
capture
Stat1 goes high – In done state
2-V battery is inserted during the charge done state.
Charging is initiated – STAT1 goes low and charge current is
applied.
Battery is removed – V_OUT goes into regulation, I_OUT goes to
zero, and termination deglitch timer starts running (same as
state 1).
Deglitch timer expires – charge done is declared.
Figure 12. Battery Hot-Plug and Removal Power Sequence
10 Power Supply Recommendations
The devices are intended to operate withing the ranges shown in Recommended Operating Conditions. Because
the input of the device on pin IN is subject to a power source that is external, care muse be taken to not exercise
the pin above the Absolute Maximum Rating of the Pin shown in the Absolute Maximum Ratings table.
Copyright © 2015, Texas Instruments Incorporated
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