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BQ24018DRCTG4 Datasheet(PDF) 4 Page - Texas Instruments

Part # BQ24018DRCTG4
Description  Single-Chip, Li-Ion Charge Management IC
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24018DRCTG4 Datasheet(HTML) 4 Page - Texas Instruments

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(
)
SET
TAPER
SET
O(TAPER)
K
x V
(
)
(
)
I
=
R(
)
(1)
bq24010, bq24012
bq24013, bq24014, bq24018
SLUS530K – SEPTEMBER 2002 – REVISED JANUARY 2014
www.ti.com
ELECTRICAL CHARACTERISTICS (Continued)
over 0°C
≤ TJ ≤ 125°C and recommended supply voltage, (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CHARGE TAPER AND TERMINATION DETECTION
I(TAPER)
(1)
Charge taper detection range
VI(BAT) > V(RCH), t < t(TAPER)
10
100
mA
Voltage on ISET pin, VI(BAT) > V(RCH), t < t(TAPER),
V(TAPER)
Charge taper detection set voltage
225
250
275
mV
VI(BAT) = VO(REG)
Charge termination detection set
Voltage on ISET pin, VI(BAT) = VO(REG),
V(TERM)
5
17.5
50
mV
voltage
VI(BAT) >V(RCH),I(TERM) = K(SET) × V(TERM) /R(SET)
TEMPERATURE COMPARATOR
V(TS1)
Lower threshold
Voltage on TS pin
29
30
31
V(TS2)
Upper threshold
Voltage on TS pin
60
61
62
%VCC
Hysteresis
1
BATTERY RECHARGE THRESHOLD
VO(REG)
VO(REG)
VO(REG)
V(RCH)
Recharge threshold
V
–0.135
–0.1
–0.075
STAT1, STAT2, AND PG OUTPUTS
VOL
Output (low) saturation voltage
IO = 10 mA
0.5
V
CHARGE ENABLE (CE) AND TIMER AND TERMINATION ENABLE (TTE) INPUTS
VIL
Low-level input voltage
IIL = 1 μA
0
0.8
V
VIH
High-level input voltage
IIL = 1 μA
2.0
TIMERS
t{PRECHG)
Pre-charge time
1 548
2,065
2,581
t(TAPER)
Taper time
1 548
2,065
2,581
s
t(CHG)
Charge time
15 480
20,650
25,810
SLEEP COMPARATOR
VCC
VSLP
Sleep mode entry threshold voltage
VPOR ≤ V(IBAT) ≤ VO(REG)
VI(BAT)
+30 mV
V
VCC
Sleep mode exit threshold voltage
VPOR ≤ V(IBAT) ≤ VO(REG)
VI(BAT)
+22 mV
VCC decreasing below threshold, 100-ns fall time, 10-mV
Sleep mode deglitch time
250
650
ms
overdrive
BATTERY DETECTION THRESHOLDS
I(DETECT)
Battery detection current
2 V
≤ V(IBAT) ≤ V(RCH)
–3.1
–4.6
–6.1
mA
I(DETECT)
battery detection time
2 V
≤ V(IBAT) ≤ V(RCH)
100
125
150
ms
I(FAULT)
Fault current
V(IBAT) < V(RCH) and/or t > t(PRECHG)
660
900
1200
μA
POWER-ON RESET AND INPUT VOLTAGE RAMP RATE
VPOR
(2)
Power-on reset threshold voltage
225
2.5
2.75
V
(2)
Specified by design. Not production tested.
4
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Copyright © 2002–2014, Texas Instruments Incorporated
Product Folder Links: bq24010, bq24012 bq24013, bq24014, bq24018


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