BQ25120_16 Datasheet, PDF (29/68 Pages) Texas Instruments – Highly Integrated Battery Charge Management Solution

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BQ25120, BQ25121
SLUSBZ9B – AUGUST 2015 – REVISED MAY 2016
Table 10. Fault and Status Condition Responses
FAULT or STATUS
ACTIONS
CHARGER
BEHAVIOR
VIN_OV
Update VIN_OV status, Update
STAT to fault, interrupt on INT,
PG shown not good
Disabled
VIN_UV
Update VIN_UV status, Update
STAT to fault, interrupt on INT,
PG shown not good
Disabled
VIN_ILIM
Update VIN_ILIM status,
charge in progress status,
interrupt on INT, input current
is limited
Enabled, input
current limited
OVER_TEMP
Update OVER_TEMP status
(die temp), fault status,
interrupt on INT
Disabled
BAT_UVLO
Update BAT_UVLO status,
Update STAT to fault, interrupt
on INT
Pre-charge
Update SW_SYS_SHORT,
SW_SYS_SHORT Update STAT to fault, interrupt
on INT
Enabled
LS_LDO_OCP
Update LS_LDO_OCP, Update
STAT to fault, interrupt on INT
Enabled
TIMER fault
Update TIMER, Update STAT
to fault, interrupt on INT
Disabled
VINDPM
Update VINDPM_STAT,
Update STAT to fault, interrupt
on INT
Enabled, input
current reduced
TS_FAULT COLD
or HOT
Update TS_FAULT to COLD
OR HOT, Update STAT to
fault, interrupt on INT
Disabled
Update TS_FAULT to COOL,
TS_FAULT COOL Update STAT to fault, interrupt Reduce ICHG to ½
on INT
TS_FAULT WARM
Update TS_FAULT to WARM,
Update STAT to fault, interrupt
on INT
Reduce VBATREG
by 140 mV
Charge Done
Update STAT to Charge Done,
interrupt on INT
Disabled, monitor
for VBAT falling
below VRCHG
SYS BEHAVIOR
Enabled through
BAT
Enabled through
BAT
Enabled (if
enabled)
Disabled
Enabled (if
enabled) and VIN
Valid
Current Limit
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
LS/LDO
BEHAVIOR
Enabled through
BAT
Enabled through
BAT
Enabled (if
enabled)
Disabled
Enabled (if
enabled) and VIN
Valid
Enabled (if
enabled)
Current Limit
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
Enabled (if
enabled)
TS BEHAVIOR
Disabled
Disabled
Enabled
Disabled
Enabled if VIN
Valid
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Enabled
Enabled
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Product Folder Links: BQ25120 BQ25121
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