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| BQ24266_15 Datasheet, PDF (8/41 Pages) Texas Instruments – bq24266 3A, 30V Standalone Single-Input, Single-Cell Switchmode Li-Ion Battery Charger | |||
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bq24266
SLUSBY5F â JUNE 2014 â REVISED AUGUST 2015
www.ti.com
Electrical Characteristics (continued)
Circuit of , VUVLO < VIN < VOVP AND VIN > VBAT+ VSLP, TJ = â40°C to 125°C and TJ = 25°C for typical values (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BATTERY CHARGER
RON(BAT-SYS)
VBATREG
ICHARGE
KISET
VBATSHRT
VBATSHRT_HYS
Internal battery charger
MOSFET on-resistance
Charge Voltage
Charge Voltage
Charge Voltage
Voltage Regulation Accuracy
Fast Charge Current Range
Fast Charge Current
Accuracy
Programmable Fast Charge
Current Factor
Battery short circuit threshold
Hysteresis for VBATSHRT
Deglitch time for battery short
to fastcharge transition
Measured from BAT to SYS,
VBAT = 4.2V, High-Z mode
TJ = 25°C
TJ = 0°C to 85°C
TJ = 0°C to 85°C, TS WARM
TJ = 0°C to 125°C
VBATSHRT ⤠VBAT < VBAT(REG)
500 mA ⤠ICHARGE ⤠1A
ICHARGE > 1000 mA
CE1=X, CE2=0, ICHARGE > 1000 mA
CE1=X, CE2=0, 500 mA ⤠ICHARGE ⤠1A
TS COOL, ICHARGE > 1000 mA
TS COOL, 500 mA ⤠ICHARGE ⤠1A
Battery voltage falling
VBAT rising or falling
32
47
mΩ
4.18
4.2
4.22
V
4.17
4.2
4.23
V
4.03
4.06
4.09
V
-1.0%
1.0%
500
3000
mA
â10%
10%
â5%
5%
1140
1200
1260
AΩ
1080
1200
1320
AΩ
570
600
630
AΩ
540
600
660
AΩ
2.9
3
3.1
V
100
mV
1
ms
IBATSHRT
Battery short circuit charge
current
VBAT < VBATSHRT
33.5
.50
66.5
mA
ITERM
tDGL(TERM)
VRCH
tDGL(RCH)
VDET(SRC1)
Termination charge current
Termination charge current
accuracy
Deglitch time for charge
termination
Recharge threshold voltage
Deglitch time
Battery detection voltage
threshold
(TE = 1)
50mA ⤠ITERM ⤠300 mA
ITERM ⤠50 mA
50 mA < ITERM < 200 mA
ITERM ⥠200 mA
Both rising and falling, 2-mV over-drive,
tRISE, tFALL=100ns
Below VBATREG
VBAT falling below VRCH, tFALL=100ns
During current source (Turn IBATSHRT off)
â30%
â15%
â15%
100
10
32
120
32
VRCH
30%
15%
10%
150
% of
ICHARGE
ms
mV
ms
V
VDET(SRC2)
During current source (Turn IBATSHRT on)
VRCH
V
â 200mV
VDET(SNK)
IDETECT
Battery detection current
before charge done (sink
current)
During current sink
Termination enabled (TE = 1)
VBATSHRT
V
7
mA
tDETECT(SRC)
Battery detection time
(sourcing current)
Termination enabled (TE = 1)
2
s
tDETECT(SNK)
Battery detection time (sinking
current)
Termination enabled (TE = 1)
250
ms
8
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