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BQ24165_14 Datasheet, PDF (4/38 Pages) Texas Instruments – 2.5A, Dual-Input, Single Cell Switch Mode Li-Ion Battery Charger with Power Path Management
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SLUSAP4B – DECEMBER 2011 – REVISED MARCH 2013
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ELECTRICAL CHARACTERISTICS
Circuit of Figure 1, VSUPPLY = VUSB or VIN (whichever is supplying the IC), VUVLO < VSUPPLY < VOVP and VSUPPLY > VBAT+VSLP,
mm TJ = 0°C–125°C and TJ = 25ºC for typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISUPPLY
Supply current for control (VIN or VUSB)
VUVLO < VSUPPLY < VOVP and VSUPPLY > VBAT+VSLP,
PWM switching
VUVLO < VSUPPLY < VOVP and VSUPPLY > VBAT+VSLP,
PWM NOT switching
15
mA
5
IBATLEAK
IBAT_HIZ
Leakage current from BAT to the Supply
Battery discharge current in high impedance
mode, (BAT, SW, SYS)
0°C < TJ < 85°C, High-Z Mode
0°C < TJ < 85°C, VBAT = 4.2 V, VUSB = VIN = 0 V
0°C < TJ < 85°C, VBAT = 4.2 V, VSUPPLY = 0 V or 5V
IUSB1=IUSB2=IUSB3=1, High-Z mode
175
μA
5
μA
55
μA
POWER PATH MANAGEMENT
VSYS(REG)
VSYSREGFETOFF
VMINSYS
System regulation voltage
Minimum system regulation voltage
VBSUP1
Enter supplement mode threshold
VBAT < VMINSYS
Battery FET turned off, Charge disable or termination
VBAT < VMINSYS, Input current limit or VINDPM active
VBAT > 2.5 V
3.6
3.7
3.82
V
4.26
4.33
4.37
3.4
3.5
3.62
V
VBAT –
40mV
V
VBSUP2
Exit supplement mode threshold
VBAT > 2.5 V
VBAT –
10mV
V
ILIM(Discharge)
tDGL(SC1)
tREC(SC1)
Current limit, discharge or supplement mode
Deglitch time, OUT short circuit during
discharge or supplement mode
Recovery time, OUT short circuit during
discharge or supplement mode
Current monitored in internal FET only.
Measured from(VBAT -VSYS) = 300mV to
VBGATE = (VBAT - 600mV)
7
A
250
μs
60
ms
Battery range for BGATE operation
2.5
4.5
V
BATTERY CHARGER
RON(BAT-SYS)
Internal battery charger MOSFET on-
resistance
Measured from BAT to SYS,
VBAT = 4.2 V
YFF pkg
RGE pkg
37
57
mΩ
50
70
VBATREG
Battery regulation voltage
TA = 25°C, CE1 = CE2 = 0
CE1=CE2 = 0 or VWARM < VTS < VCOOL
TA = 25°C, CE1=1, CE2=0
CE1=1, CE2=0 or VHOT < VTS < VWARM
4.179
4.2
4.221
4.160
4.2
4.24
V
4.04
4.06
4.08
4.02
4.06
4.1
ICHARGE
Charge current programmable range
ICHA RG E
=
KI SET
RI SET
550
2500
mA
KISET
VBATSHRT
VBATSHRThys
IBATSHRT
tDGL(BATSHRT)
Programmable fast charge current factor
Battery short threshold
Battery short threshold hysteresis
Battery short current
Deglitch time for battery short to fastcharge
transition
TA = 0°C to 125°C, CE1=CE2=0 or
VWARM < VTS < VCOOL
TA = 0°C to 125°C, CE1 = 1, CE2 = 0 or VCOLD < VTS < VCOOL
VBAT Rising
VBAT Falling
VBAT < VBATSHRT
ITERM
tDGL(TERM)
VRCH
tDGL(RCH)
IDETECT
Termination charge current
Deglitch time for charge termination
Recharge threshold voltage
ICHARGE ≤ 1 A
ICHARGE >1 A
Both rising and falling, 2-mV over- drive,
tRISE, tFALL = 100 ns
Below VBATREG
Deglitch time
VBAT falling below VRCH, tFALL=100ns
Battery detection current before charge done
(sink current)
tDETECT
Battery detection time
INPUT PROTECTION
IINUSB=USB100
IINUSB=USB500
IIN_USB
Input current limiting threshold (USB input
only)
USB charge mode, VUSB = 5V, Current
pulled from PMIDU
IINUSB=USB150
IINUSB=USB900
IINUSB=USB800
IINUSB=1.5A
450
225
2.9
32
7
8
90
450
135
800
700
1250
490
245
3.0
100
50.0
10
10
32
120
32
2.5
250
95
475
142.5
850
750
1400
540
270
3.1
11.5
11
AΩ
V
mV
mA
ms
%ICHARGE
ms
mV
ms
mA
ms
100
500
150
mA
900
800
1500
4
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