Datasheet

bq24160, bq24160A
bq24161, bq24161B
bq24163, bq24168
www.ti.com SLUSAO0E –NOVEMBER 2011–REVISED NOVEMBER 2013
ELECTRICAL CHARACTERISTICS
Circuit of , V
SUPPLY
= V
USB
or V
IN
(whichever is supplying the IC), V
UVLO
< V
SUPPLY
< V
OVP
and V
SUPPLY
> V
BAT
+V
SLP
,
T
J
= –40°C – 125°C and T
J
= 25ºC for typical values (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CURRENTS
PWM switching 15 mA
V
UVLO
< V
SUPPLY
< V
OVP
and
V
SUPPLY
> V
BAT
+V
SLP
I
SUPPLY
Supply current for control (V
IN
or V
USB
) PWM NOT switching 5
0°C < T
J
< 85°C, High-Z Mode 175 μA
I
BATLEAK
Leakage current from BAT to the Supply 0°C < T
J
< 85°C, V
BAT
= 4.2V, V
USB
= V
IN
= 0V 5 μA
0°C< T
J
< 85°C, V
BAT
= 4.2V, V
SUPPLY
= 5V or 0V,
Battery discharge current in High Impedance mode,
I
BAT_HIZ
55 μA
(BAT, SW, SYS)
SCL, SDA = 0 V or 1.8V, High-Z Mode
POWER-PATH MANAGEMENT
bq24160, 1, 8 3.60 3.7 3.82
Charge Enabled, V
BAT
< V
MINSYS
bq24163 3.3 3.4 3.5
V
SYS(REG)
System regulation voltage V
VBATREG VBATREG VBATREG
Battery FET turned off (Charge Disabled, TS Fault or
Charging Terminated)
+ 1.5% + 3.0% + 4.17%
bq24160, 1, 8 3.4 3.5 3.62 V
Charge enabled, V
BAT
< V
MINSYS
,
V
MINSYS
Minimum system regulation voltage
Input current limit or V
INDPM
active
bq24163 3.1 3.2 3.3 V
VBAT
V
BSUP1
Enter supplement mode threshold V
BAT
> 2.5V V
–30mV
VBAT
V
BSUP2
Exit supplement mode threshold V
BAT
> 2.5V V
–10mV
I
LIM(discharge)
Current limit, discharge or supplement mode Current monitored in internal FET only. 7 A
Deglitch time, SYS short circuit during discharge or Measured from (V
BAT
– V
SYS
) = 300mV to BAT high-
t
DGL(SC1)
250 μs
supplement mode impedance
Recovery time, SYS short circuit during discharge or
t
REC(SC1)
60 ms
supplement mode
Battery range for BGATE and supplement mode
2.5 4.5 V
operation
BATTERY CHARGER
YFF pkg 37 57
Measured from BAT to SYS,
R
ON(BAT-SYS)
Internal battery charger MOSFET on-resistance mΩ
V
BAT
= 4.2V
RGE pkg 50 70
Charge Voltage Operating in voltage regulation, Programmable range 3.5 4.44 V
V
BATREG
Voltage regulation accuracy –1% 1%
Fast charge current range V
BATSHRT
≤ V
BAT
< V
BAT(REG)
programmable range 550 2500 mA
I
CHARGE
Fast charge current accuracy 0°C to 125°C –10% +10%
bq24161, 3, 8 1.9 2.0 2.1
V
BATSHRT
Battery short circuit threshold 100mV Hysteresis V
bq24160, 1B 2.9 3.0 3.1
I
BATSHRT
Battery short circuit current V
BAT
< V
BATSHRT
50 mA
Deglitch time for battery short circuit to fastcharge
t
DGL(BATSHRT)
32 ms
transition
I
TERM
= 50mA –35% +35%
I
TERM
Termination charge current accuracy
I
TERM
≥ 100mA –15% +15%
t
DGL(TERM)
Deglitch time for charge termination Both rising and falling, 2mV overdrive, t
RISE,
t
FALL
= 100ns 32 ms
V
RCH
Recharge threshold voltage Below V
BATREG
120 mV
t
DGL(RCH)
Deglitch time VBAT falling below VRCH, tFALL=100ns 32 ms
V
DETECT
Battery detection threshold During battery detection source cycle 3.3 V
During battery detection sink cycle 3.0
I
DETECT
Battery detection current before charge done (sink Termination enabled (EN_TERM = 1) 2.5 mA
current)
t
DETECT
Battery detection time Termination enabled (EN_TERM = 1) 250 ms
V
IH
PSEL, CD Input high logic level 1.3 V
V
IL
PSEL, CD Input low logic level 0.4 V
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