bq78412

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SLUSAA0 – OCTOBER 2010

Status LEDs

Status indicators described in Table 4 may be populated as desired. The output signals could also be used to

drive multi-color LEDs where the status is indicated by the color.

Table 4. Status Indicator LEDs

STATUS LED

INDICATION

DESCRIPTION

REPLACE

Turned on when battery end-of-life condition is detected either when cycle count reaches the

value of LifeCycles parameter or when full charge capacity(FCC) drops below the value in

EolCap parameter

Battery state of health

WARN

Turned on when cycle count reaches the value of LifeCycleWarn parameter or when full

charge capacity(FCC) has dropped below the EolCapWarn level.

GOOD

On when no state of health condition detected.

CHARGE

On when battery is charging.

DISCHARGE

Mode of operation

On when battery is discharging.

FULL

On when qualified full charge condition is detected.

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