Datasheet

bq24080
bq24081
SLUS698E –MARCH 2006– REVISED AUGUST 2011 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over 0°C ≤ T
J
≤ 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
BATTERY RECHARGE THRESHOLD
V
O(REG)
V
O(REG)
V
O(REG)
V
(RCH)
Recharge threshold V
– 0.115 − 0.10 − 0.085
V
CC(MIN)
≥ 4.5 V, t
FALL
= 100 ns
t
(DEGL)
Deglitch time for recharge detect decreasing below or increasing 250 375 500 ms
above threshold, 10-mV overdrive
STAT1, STAT2, and PG OUTPUTS
V
OL
Low-level output saturation voltage I
O
= 5 mA 0.25 V
CE and TE INPUTS
V
IL
Low-level input voltage 0 0.4
V
V
IH
High-level input voltage 1.4
I
IL
Low-level input current –1
μA
I
IH
High-level input current 1
TIMERS
t
(PRECHG)
Precharge time 1,584 1,800 2,016 s
t
(CHG)
Charge time 22,176 25,200 28,224 s
I
(FAULT)
Timer fault recovery current 200 μA
SLEEP COMPARATOR
V
CC
≤ V
I(OUT)
V
(SLP)
Sleep-mode entry threshold voltage
+ 80 mV
2.3 V ≤ V
I(OUT)
≤ V
O(REG)
V
V
CC
≥ V
I(OUT)
V
(SLPEXIT)
Sleep-mode exit threshold voltage
+ 190
V
(IN)
decreasing below threshold,
Sleep-mode entry deglitch time 250 375 500 ms
t
FALL
= 100 ns, 10-mV overdrive
THERMAL SHUTDOWN THRESHOLDS
T
(SHTDWN)
Thermal trip threshold 165
T
J
increasing °C
Thermal hysteresis 15
UNDERVOLTAGE LOCKOUT
UVLO
Undervoltage lockout Decreasing V
CC
2.4 2.5 2.6 V
Hysteresis 27 mV
TEMPERATURE SENSE COMPARATOR (bq24081)
V
(TS1)
High-voltage threshold 2.475 2.5 2.525
V
V
(TS2)
Low-voltage threshold 0.485 0.5 0.515
I
(TS)
TS pin current source 96 102 108 μA
t
(DEGL)
Deglitch time for temperature fault 250 375 500 ms
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