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| BQ24080-Q1 Datasheet, PDF (6/28 Pages) Texas Instruments – Li-Ion and Li-Pol Automotive Charger | |||
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bq24080-Q1, bq24081-Q1
SLUSCB6 â MAY 2015
Electrical Characteristics (continued)
over 0°C ⤠TJ ⤠125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
SLEEP COMPARATOR
V(SLP)
V(SLPEXIT)
Sleep-mode entry threshold voltage
Sleep-mode exit threshold voltage
2.3 V ⤠VI(OUT) ⤠VO(REG)
THERMAL SHUTDOWN THRESHOLDS
T(SHTDWN) Thermal trip threshold
Thermal hysteresis
TJ increasing
UNDERVOLTAGE LOCKOUT
UVLO
Undervoltage lockout
Hysteresis
Decreasing VCC
TEMPERATURE SENSE COMPARATOR (bq24081-Q1)
V(TS1)
V(TS2)
I(TS)
High-voltage threshold
Low-voltage threshold
TS pin current source
VCC ⥠VI(OUT)
+ 190
2.4
2.475
0.485
96
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TYP
MAX UNIT
VCC ⤠VI(OUT)
+ 80 mV
V
165
°C
15
2.5
2.6
V
27
mV
2.5
2.525
V
0.5
0.515
102
108
μA
7.6 Timing Requirements
PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION
Deglitch time for fast-charge to
precharge transition
TERMINATION DETECTION
VCC(MIN) ⥠4.5 V, tFALL = 100 ns,
10-mV overdrive,
VI(OUT) decreasing below threshold
tTRMDET
Deglitch time for termination
detection
VCC(MIN) ⥠4.5 V, tFALL = 100 ns
charging current decreasing below
10-mV overdrive
BATTERY RECHARGE THRESHOLD
t(DEGL)
Deglitch time for recharge detect
VCC(MIN) ⥠4.5 V, tFALL = 100 ns
decreasing below or increasing
above threshold, 10-mV overdrive
TIMERS
t(PRECHG)
Precharge time
t(CHG)
Charge time
SLEEP COMPARATOR
Sleep-mode entry deglitch time
V(IN) decreasing below threshold,
tFALL = 100 ns, 10-mV overdrive
TEMPERATURE SENSE COMPARATOR (bq24081-Q1)
t(DEGL)
Deglitch time for temperature fault
MIN
NOM
MAX UNIT
250
375
500
ms
250
375
500
ms
250
375
500
ms
1,584
1,800
2,016
s
22,176
25,200
28,224
s
250
375
500
ms
250
375
500
ms
6
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: bq24080-Q1 bq24081-Q1
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